AssertJ-DB features highlight

AssertJ-DB site has moved to https://assertj.github.io/doc/

Before reading this page, it is recommended to be familiar with the concepts of AssertJ-DB.

The purpose of this page is to show the different features of AssertJ-DB.

Navigation

With a Table or a Request as root

As shown in the concepts (to easily understand this chapter it is important to know the concepts of assertj-db), the assertThat(...) static method is used to begin an assertion on a Table or on a Request.

The navigation from a table or from a request are similar, so in most of the examples below a table will be used :

assertThat(tableOrRequest)...

If there is a difference if will be specified.

All the navigation methods work from an origin point. That means that if the method is executed from another point, it is like the execution is from the point of view of the origin.

There are some recurring points in the different navigation methods :

  • a method without parameter which allows to navigate on the next element after the element reached on the last call (if it is the first call, navigate to the first element)
  • a method with an int parameter (an index) which allows to navigate on the element which is at the corresponding index
  • a method with an String parameter (a column name) which allows to navigate on the element corresponding at the column name
To a Row

These methods are described in the ToRow interface.

The row() method allows to navigate to the next row after the row reached on the last call.

// If it is the first call, navigate to the first row
assertThat(tableOrRequest).row()...
// It is possible to chain the calls to navigate to the next row
// after the first row (so the second row)
assertThat(tableOrRequest).row().row()...

The row(int index) method with index as parameter allows to navigate to the row corresponding to row at the index.

// Navigate to the row at index 2
assertThat(tableOrRequest).row(2)...
// It is possible to chain the calls to navigate to another row.
// Here row at index 6
assertThat(tableOrRequest).row(2).row(6)...
// It is possible to combine the calls to navigate to the next row
// after the row at index 2. Here row at index 3
assertThat(tableOrRequest).row(2).row()...

This picture shows from where it is possible to navigate to a row.

The origin point of the row(...) methods is the Table or the Request. So if the method is executed from a row, from a column or from a value it is like if the method was executed from the Table or the Request.

When the position is on a row, it is possible to return to the origin. 

// Return to the table from a row of a table
assertThat(table).row().returnToTable()...
// Return to the request from a row of a request
assertThat(request).row().returnToRequest()...

That also means that the two navigations below are equivalent. 

// Navigate to the first row
// Return to the table from this row
// Navigate to the next row
assertThat(table).row().returnToTable().row()...
// The same thing is done but the return to the table is implicit
assertThat(table).row().row()...
To a Column

These methods are described in the ToColumn interface.

The column() method allows to navigate to the next column after the column reached on the last call.

// If it is the first call, navigate to the first column
assertThat(tableOrRequest).column()...
// It is possible to chain the calls to navigate to the next column
// after the first column (so the second column)
assertThat(tableOrRequest).column().column()...

The column(int index) method with index as parameter allows to navigate to the column corresponding to column at the index.

// Navigate to the column at index 2
assertThat(tableOrRequest).column(2)...
// It is possible to chain the calls to navigate to another column.
// Here column at index 6
assertThat(tableOrRequest).column(2).column(6)...
// It is possible to combine the calls to navigate to the next column
// after the column at index 2. Here column at index 3
assertThat(tableOrRequest).column(2).column()...
// It is possible to combine the calls with other navigation methods
// Here first column
assertThat(tableOrRequest).row(2).column()...
// Here column at index 3
assertThat(tableOrRequest).row(2).column(3)...
// Here column at index 4 because the origin remember last navigation to a column
assertThat(tableOrRequest).column(3).row(2).column()...

The column(String columnName) method with columnName as parameter allows to navigate to the column corresponding to the column with the column name.

// Navigate to the column with the name "SURNAME"
assertThat(tableOrRequest).column("surname")...
// Like for the other methods, it is possible to chain the calls
assertThat(tableOrRequest).column("surname").column().column(6).column("id")...

This picture shows from where it is possible to navigate to a column.

The origin point of the column(...) methods is the Table or the Request. So if the method is executed from a row, from a column or from a value it is like if the method was executed from the Table or The Request.

When the position is on a column, it is possible to return to the origin. 

// Return to the table from a column of a table
assertThat(table).column().returnToTable()...
// Return to the request from a column of a request
assertThat(request).column().returnToRequest()...

That also means that the two navigations below are equivalent. 

// Navigate to the first column
// Return to the table from this column
// Navigate to the next column
assertThat(table).column().returnToTable().column()...
// The same thing is done but the return to the table is implicit
assertThat(table).column().column()...
To a Value

These methods are described in the ToValue and the ToValueFromRow interfaces.

The value() method allows to navigate to the next value after the value reached on the last call.

// If it is the first call, navigate to the first value
assertThat(tableOrRequest).row().value()...
// It is possible to chain the calls to navigate to the next value
// after the first value (so the second value)
assertThat(tableOrRequest).column().value().value()...

The value(int index) method with index as parameter allows to navigate to the value corresponding to value at the index.

// Navigate to the value at index 2
assertThat(tableOrRequest).column().value(2)...
// It is possible to chain the calls to navigate to another value.
// Here value at index 6
assertThat(tableOrRequest).row(4).value(2).value(6)...
// It is possible to combine the calls to navigate to the next value
// after the value at index 2. Here value at index 3
assertThat(tableOrRequest).column(4).value(2).value()...
// Here value at index 4 because the origin remember last navigation to a column
assertThat(tableOrRequest).column().value(3).row(2).column(0).value()...

The value(String columnName) method with columnName as parameter (only available from a row) allows to navigate to the value of the column corresponding to the column with the column name.

// Navigate to the value of the column with the name "SURNAME"
assertThat(tableOrRequest).row().value("surname")...
// Like for the other methods, it is possible to chain the calls
assertThat(tableOrRequest).row().value("surname").value().value(6).value("id")...

This picture shows from where it is possible to navigate to a value.

The origin point of the value(...) methods is the Row or the Column. So if the method is executed from a value it is like if the method was executed from the Row or The Column.

When the position is on a value, it is possible to return to the origin. 

// Return to the column from a value
assertThat(table).column().value().returnToColumn()...
// Return to the row from a value
assertThat(request).row().value().returnToRow()...

That also means that the two navigations below are equivalent. 

// Navigate to the first column
// Navigate to the first value
// Return to the column from this value
// Navigate to the next value
assertThat(table).column().value().returnToColumn().value()...
// The same thing is done but the return to the column is implicit
assertThat(table).column().value().value()...

With Changes as root

To Changes

These methods are described in the ToChanges interface.

The ofCreation() method allows to navigate to the changes of creation.

// Navigate to the changes of creation
assertThat(changes).ofCreation()...

The ofCreationOnTable() method with tableName as parameter allows to navigate to the changes of creation of a table.

// Navigate to the changes of creation on the "members" table
assertThat(changes).ofCreationOnTable("members")...

The ofCreation() method allows to navigate to the changes of modification.

// Navigate to the changes of modification
assertThat(changes).ofModification()...

The ofModificationOnTable() method with tableName as parameter allows to navigate to the changes of modification of a table.

// Navigate to the changes of modification on the "members" table
assertThat(changes).ofModificationOnTable("members")...

The ofCreation() method allows to navigate to the changes of deletion.

// Navigate to the changes of deletion
assertThat(changes).ofDeletion()...

The ofDeletionOnTable() method with tableName as parameter allows to navigate to the changes of deletion of a table.

// Navigate to the changes of deletion on the "members" table
assertThat(changes).ofDeletionOnTable("members")...

The onTable(String tableName) method with tableName as parameter allows to navigate to the changes of a table.

// Navigate to all the changes on the "members" table
assertThat(changes).onTable("members")...

The ofAll() method allows to navigate to all the changes.

// Navigate to all the changes
assertThat(changes).ofAll()...
// The navigation can be chained
assertThat(changes).ofCreation().ofAll()...

This picture shows from where it is possible to navigate to changes.

The origin point of these methods is the Changes. So if the method is executed from a change, a column, a row or a value it is like if the method was executed from the Changes.

To a Change

These methods are described in the ToChange interface.

The change() method allows to navigate to the next change after the change reached on the last call.

// If it is the first call, navigate to the first change
assertThat(changes).change()...
// It is possible to chain the calls to navigate to the next change
// after the first change (so the second change)
assertThat(changes).change().change()...

The change(int index) method with index as parameter allows to navigate to the change corresponding to change at the index.

// Navigate to the change at index 2
assertThat(changes).change().change(2)...
// It is possible to chain the calls to navigate to another change.
// Here change at index 7
assertThat(changes).change(6).change()...

The changeOnTable(String tableName) method with tableName as parameter allows to navigate to the next change corresponding to the table name after the change corresponding to the table name reached on the last call.

// If it is the first call, navigate to the first change on "members" table
assertThat(changes).changeOnTable("members")...
// It is possible to chain the calls to navigate to the next change on the "members" table
// after the first change on the "members" table (so the second change)
assertThat(changes).changeOnTable("members").changeOnTable("members")...

The changeOnTable(String tableName, int index) method with tableName and index as parameters allows to navigate to the change corresponding to change on the table name at the index.

// Navigate to the change at index 2 of "members" table
assertThat(changes).changeOnTable("members").changeOnTable("members", 2)...
// It is possible to chain the calls to navigate to another change.
// Here change at index 7 of "members" table
assertThat(changes).changeOnTable("members", 6).changeOnTable("members")...

There are 12 other methods which are derived from the 4 methods above :

  • changeOfCreation(), changeOfModification() and changeOfDeletion() methods which allows to navigate to the next change of creation, modification and deletion like change() method 
    // If it is the first call, navigate to the first change of creation
assertThat(changes).changeOfCreation()...
// Navigate to the the first change of creation
// and after the second change of creation
assertThat(changes).changeOfCreation().changeOfCreation()...
  • changeOfCreation(int index), changeOfModification(int index) and changeOfDeletion(int index) methods with index as parameter which allows to navigate to the change of creation, modification and deletion corresponding to change of creation, modification and deletion at the index like change(int index) method 
    // Navigate to the change of modification at index 2
assertThat(changes).changeOfModification()
                   .changeOfModification(2)...
// It is possible to chain the calls
// to navigate to another change of modification.
// Here change of modification at index 5
assertThat(changes).changeOfModification(4)
                   .changeOfModification()...
  • changeOfCreationOnTable(String tableName), changeOfModificationOnTable(String tableName) and changeOfDeletionOnTable(String tableName) methods with tableName as parameter which allows to navigate to the next change of creation, modification and deletion corresponding to the table name like changeOnTable(String tableName) method 
    // If it is the first call, navigate
// to the first change of creation on "members" table
assertThat(changes).changeOfCreationOnTable("members")...
// It is possible to chain the calls to navigate
// to the next change of creation on the "members" table
// after the first change of creation on the "members" table
// (so the second change of creation)
assertThat(changes).changeOfCreationOnTable("members")
                   .changeOfCreationOnTable("members")...
  • changeOfCreationOnTable(String tableName, int index), changeOfModificationOnTable(String tableName, int index) and changeOfDeletionOnTable(String tableName, int index) methods with tableName and index as parameters which allows to navigate to the next change of creation, modification and deletion corresponding to the table name and index like changeOnTable(String tableName, int index) method 
    // Navigate to the change of deletion at index 2 of "members" table
assertThat(changes).changeOfDeletionOnTable("members")
                   .changeOfDeletionOnTable("members", 2)...
// It is possible to chain the calls
// to navigate to another change of deletion.
// Here change of deletion at index 7 of "members" table
assertThat(changes).changeOfDeletionOnTable("members", 6)
                   .changeOfDeletionOnTable("members")...

The changeOnTableWithPks(String tableName, Object... pksValues) method allows to navigate to the change corresponding to the table and the primary keys.

// Navigate to the change with primary key 1 of "members" table
assertThat(changes).changeOnTableWithPks("members", 1)...
// It is possible to chain the calls to navigate to the next change
// after the change with primary key 1 of "members" table
assertThat(changes).changeOnTableWithPks("members", 1).change()...

This picture shows from where it is possible to navigate to a change.

The origin point of the change(...) methods is the current Changes and the origin point of other methods is the Changes of origin. So if the method is executed from a change, a column, a row or a value it is like if the method was executed from these origins.

That means there is an important difference. 

// Navigate to the changes of deletion
// Navigate to the first change of this changes of deletion
assertThat(changes).ofDeletion().change()...
// Navigate to the changes of deletion
// Navigate to the first change of this changes of creation
assertThat(changes).ofDeletion().changeOfCreation()...
// This is equivalent to
assertThat(changes).ofDeletion().ofAll().changeOfCreation()...

When the position is on a change, it is possible to return to the origin. 

// Return to the change from a column
assertThat(changes).change().returnToChanges()...

That also means that the two navigations below are equivalent. 

// Navigate to the first change
// Return to the changes
// Navigate to the next change
assertThat(changes).change().returnToChanges().change()...
// The same thing is done but the return to the changes is implicit
assertThat(changes).change().change()...
To a Row

These methods are described in the ToRowFromChange interface.

The rowAtStartPoint() and rowAtEndPoint() methods allows to navigate to the row at the start point and at the end point.

// Navigate to the row at the start point
assertThat(changes).change().rowAtStartPoint()...
// Navigate to the row at the end point (note that the methods can be chained)
assertThat(changes).change().rowAtStartPoint().rowAtEndPoint()...

This picture shows from where it is possible to navigate to a row.

The origin point of the rowAtStartPoint() and rowAtEndPoint() methods is the Change. So if the method is executed from a row, from a column or from a value it is like if the method was executed from the Change.

When the position is on a row, it is possible to return to the origin. 

// Return to the change from a row
assertThat(changes).change().rowAtStartPoint().returnToChange()...

That also means that the two navigations below are equivalent. 

// Navigate to the first change
// Navigate to the row at start point
// Return to the change from this column
// Navigate to the row at end point
assertThat(changes).change().rowAtStartPoint().returnToChange().rowAtEndPoint()...
// The same thing is done but the return to the change is implicit
assertThat(changes).change().rowAtStartPoint().rowAtEndPoint()...
To a Column

These methods are described in the ToColumn and ToColumnFromChange interfaces.

The column() method allows to navigate to the next column after the column reached on the last call.

// If it is the first call, navigate to the first column
assertThat(changes).change().column()...
// It is possible to chain the calls to navigate to the next column
// after the first column (so the second column)
assertThat(changes).change().column().column()...

The column(int index) method with index as parameter allows to navigate to the column corresponding to column at the index.

// Navigate to the column at index 2
assertThat(changes).change().column(2)...
// It is possible to chain the calls to navigate to another column.
// Here column at index 6
assertThat(changes).change().column(2).column(6)...
// It is possible to combine the calls to navigate to the next column
// after the column at index 2. Here column at index 3
assertThat(changes).change().column(2).column()...
// It is possible to combine the calls with other navigation methods
// Here first column
assertThat(changes).change().rowAtStartPoint().column()...
// Here column at index 3
assertThat(changes).change().rowAtEndPoint().column(3)...
// Here column at index 4 because the origin remember last navigation to a column
assertThat(changes).change().column(3).rowAtEndPoint().column()...

The column(String columnName) method with columnName as parameter allows to navigate to the column corresponding to the column with the column name.

// Navigate to the column with the name "SURNAME"
assertThat(changes).change().column("surname")...
// Like for the other methods, it is possible to chain the calls
assertThat(changes).change().column("surname").column().column(6).column("id")...

The columnAmongTheModifiedOnes() method allows to navigate to the next column with modifications after the column reached on the last call. 

// If it is the first call, navigate to the first column with modifications
assertThat(changes).change().columnAmongTheModifiedOnes()...
// It is possible to chain the calls to navigate to the next column
// after the first column (so the second column with modifications)
assertThat(changes).change().columnAmongTheModifiedOnes()
                            .columnAmongTheModifiedOnes()...

The columnAmongTheModifiedOnes(int index) method with index as parameter allows to navigate to the column with modifications corresponding to column at the index. 

// Navigate to the column at index 2 (the third column with modifications)
assertThat(changes).change().columnAmongTheModifiedOnes(2)...
// It is possible to chain the calls to navigate to another column.
// Here column at index 0 (the first column with modifications)
assertThat(changes).change().columnAmongTheModifiedOnes(2)
                            .columnAmongTheModifiedOnes(0)...

The columnAmongTheModifiedOnes(String columnName) method with columnName as parameter allows to navigate to the column with modifications corresponding to the column with the column name.

// Navigate to the column with modifications and the name "SURNAME"
assertThat(changes).change().columnAmongTheModifiedOnes("surname")...
// Like for the other methods, it is possible to chain the calls
assertThat(changes).change().column("surname").columnAmongTheModifiedOnes()
                            .column(6).columnAmongTheModifiedOnes("id")...

This picture shows from where it is possible to navigate to a column.

The origin point of the column(...) methods is the Change. So if the method is executed from a row, from a column or from a value it is like if the method was executed from the Change.

When the position is on a column, it is possible to return to the origin. 

// Return to the change from a column
assertThat(changes).change().column().returnToChange()...

That also means that the two navigations below are equivalent. 

// Navigate to the first change
// Navigate to the first column
// Return to the change from this column
// Navigate to the next column
assertThat(changes).change().column().returnToChange().column()...
// The same thing is done but the return to the change is implicit
assertThat(changes).change().column().column()...
To a Value

These methods are described in the ToValue, ToValueFromColumn and ToValueFromRow interfaces.

This picture shows from where it is possible to navigate to a value.

The value() method (only available from a row) allows to navigate to the next value after the value reached on the last call.

// If it is the first call, navigate to the first value
assertThat(changes).change().rowAtEndPoint().value()...
// It is possible to chain the calls to navigate to the next value
// after the first value (so the second value)
assertThat(changes).change().rowAtEndPoint().value().value()...

The value(int index) method with index as parameter (only available from a row) allows to navigate to the value corresponding to value at the index.

// Navigate to the value at index 2
assertThat(changes).change().rowAtEndPoint().value(2)...
// It is possible to chain the calls to navigate to another value.
// Here value at index 6
assertThat(changes).change().rowAtEndPoint().value(2).value(6)...
// It is possible to combine the calls to navigate to the next value
// after the value at index 2. Here value at index 3
assertThat(changes).change().rowAtEndPoint().value(2).value()...
// Here value at index 4 because the origin remember last navigation to the row
assertThat(changes).change().rowAtEndPoint().value(3).column(2).rowAtEndPoint().value()...

The value(String columnName) method with columnName as parameter (only available from a row) allows to navigate to the value of the column corresponding to the column with the column name.

// Navigate to the value of the column with the name "SURNAME"
assertThat(changes).change().rowAtEndPoint().value("surname")...
// Like for the other methods, it is possible to chain the calls
assertThat(changes).change().rowAtEndPoint().value("surname").value().value(6).value("id")...

The valueAtStartPoint() and valueAtEndPoint() methods (only available from a column) allows to navigate to the value at the start point and at the end point.

// Navigate to the value at the start point of the row
assertThat(changes).change().column().valueAtStartPoint()...
// Navigate to the value at the end point of the row (note that the methods can be chained)
assertThat(changes).change().column().valueAtStartPoint().valueAtEndPoint()...

This picture shows from where it is possible to navigate to a value.

The origin point of the value(...) methods is the Row or the Column. So if the method is executed from a value it is like if the method was executed from the Row or The Column.

When the position is on a value, it is possible to return to the origin. 

// Return to the column from a value
assertThat(changes).change().column().valueAtEndPoint().returnToColumn()...
// Return to the row from a value
assertThat(changes).change().rowAtEndPoint().value().returnToRow()...

That also means that the two navigations below are equivalent. 

// Navigate to the first change
// Navigate to the row at end point
// Navigate to the first value
// Return to the column from this value
// Navigate to the next value
assertThat(changes).change().rowAtEndPoint().value().returnToRow().value()...
// The same thing is done but the return to the row is implicit
assertThat(changes).change().rowAtEndPoint().value().value()...

Assertions

On the type of change

These assertions are described in the AssertOnChangeType interface.

These assertions allow to verify the type of a change (the concept of change of type is described here).

// Verify that the first change is a change of creation
assertThat(changes).change().isOfType(ChangeType.CREATION);

There are specific assertion methods for each type of change. For example, the assertion below is equivalent to the one above

assertThat(changes).change().isCreation();

On the equality with the values of a column

These assertions are described in the AssertOnColumnEquality and the AssertOnColumnOfChangeEquality interfaces.

These assertion allow to verify the values of a column (the column of a table, of a request or of a change).

With Boolean
// Verify that the values of the column "live" of the request
// was equal to true, to false and after to true
assertThat(request).column("live").hasValues(true, false, true);
// Verify that the value of the first column of the first change
// was false at start point and is true at end point
assertThat(changes).change().column().hasValues(false, true);
// Verify that the value of the third column of the first change
// is not modified and is true
assertThat(changes).change().column(2).hasValues(true);
With Bytes
// Get bytes from a file and from a resource in the classpath
byte[] bytesFromFile = Assertions.bytesContentOf(file);
byte[] bytesFromClassPath = Assertions.bytesContentFromClassPathOf(resource);
// Verify that the values of the second column of the request
// was equal to the bytes from the file, to null and to bytes from the resource 
assertThat(request).column(1).hasValues(bytesFromFile, null, bytesFromClassPath);
// Verify that the value of the first column of the first change
// was equal to bytes from the file at start point and to bytes from the resource at end point
assertThat(changes).change().column().hasValues(bytesFromFile, bytesFromClassPath);
With Number
// Verify that the values of the first column of the table
// was equal to 5.9, 4 and 15000
assertThat(table).column().hasValues(5.9, 4, new BigInteger("15000"));
// Verify that the value of the first column of the first change
// is not modified and is equal to 5
assertThat(changes).change().column().hasValues(5);
With Date

This assertion use DateValue presented in concepts.

// Verify that the values of the first column of the table
// was equal to December 23rd 2007 and May 19th 1975 
assertThat(table).column()
            .hasValues(DateValue.of(2007, 12, 23),
                       DateValue.of(1975, 5, 19));
// Verify that the value of the first column of the first change
// was equal December 23rd 2007 at start point
// and is equal to May 19th 1975 at end point
assertThat(changes).change().column()
            .hasValues(DateValue.parse("2007-12-23"),
                       DateValue.parse("1975-05-19"));
With Time

This assertion use TimeValue presented in concepts.

// Verify that the values of the first column of the table
// was equal to 09:01am and 05:30:50pm 
assertThat(table).column()
            .hasValues(TimeValue.of(9, 1),
                       TimeValue.of(17, 30, 50));
// Verify that the value of the first column of the first change
// was equal to 09:01am at start point
// and is equal to 05:30:50pm at end point
assertThat(changes).change().column()
            .hasValues(TimeValue.parse("09:01"),
                       TimeValue.parse("17:30:50"));
With Date/Time

This assertion use DateTimeValue presented in concepts.

// Verify that the values of the first column of the table
// was equal to December 23rd 2007 09:01am and May 19th 1975 
assertThat(table).column()
            .hasValues(DateTimeValue.of(DateValue.of(2007, 12, 23), 
                                        TimeValue.parse("09:01")),
                       DateTimeValue.of(DateValue.of(1975, 5, 19)));
// Verify that the value of the first column of the first change
// was equal December 23rd 2007 09:01am at start point
// and is equal to May 19th 1975 at end point
assertThat(changes).change().column()
            .hasValues(DateTimeValue.parse("2007-12-23T09:01"),
                       DateTimeValue.parse("1975-05-19"));
With String
// Verify that values are equal to texts 
assertThat(table).column("name")
            .hasValues("Hewson",
                       "Evans",
                       "Clayton",
                       "Mullen");
// Verify that the value of the column "size" of the first change of modification
// is not modified and is equal to 1.75 by parsing
assertThat(changes).changeOfModification().column("size")
            .hasValues("1.75");
// Verify that values are equal to dates, times or dates/times by parsing 
assertThat(table).column()
            .hasValues("2007-12-23T09:01"),
                       "1975-05-19");
With UUID

Since 1.1.0

// Verify that the values of the first column of the table
// was equal to 30B443AE-C0C9-4790-9BEC-CE1380808435, 0E2A1269-EFF0-4233-B87B-B53E8B6F164D
// and 2B0D1BDD-909E-4362-BA10-C930BA82718D
assertThat(table).column().hasValues(UUID.fromString("30B443AE-C0C9-4790-9BEC-CE1380808435"), 
                                     UUID.fromString("0E2A1269-EFF0-4233-B87B-B53E8B6F164D"), 
                                     UUID.fromString("2B0D1BDD-909E-4362-BA10-C930BA82718D"));
// Verify that the value of the first column of the first change
// is not modified and is equal to 399FFFCA-7874-4225-9903-E227C4E9DCC1
assertThat(changes).change()
                   .column().hasValues(UUID.fromString("399FFFCA-7874-4225-9903-E227C4E9DCC1"));
With Character

Since 1.2.0

// Verify that the values of the first column of the table
// was equal to 'T', 'e', 's' and 't' 
assertThat(table).column().hasValues('T', 'e', 's', 't');
// Verify that the value of the first column of the first change
// is not modified and is equal to 'T'
assertThat(changes).change().column().hasValues('T');

On the name of a column

This assertion is described in the AssertOnColumnName interface.

This assertion allows to verify the name of a column (the column of a table, of a request or of a change).

// Verify that the fifth column of the table is called "firstname"
assertThat(table).column(4).hasColumnName("firstname");
// Verify that the third value of the second row of the request is in a column called "name"
assertThat(request).row(1).value(2).hasColumnName("name");
// Verify that the first column of the first change is called "id"
assertThat(changes).change().column().hasColumnName("id");

On the nullity of the values of a column

These assertions are described in the AssertOnColumnNullity interface.

These assertion allows to verify the nullity of the values of a column (the column of a table or of a request).

// Verify that the fifth column of the table has only null values
assertThat(table).column(4).hasOnlyNullValues();
// Verify that the column "name" has only not null values
assertThat(request).column("name").hasOnlyNotNullValues();

On the nullity of the values of a row

Since 1.2.0

These assertions are described in the AssertOnRowNullity interface.

These assertion allows to verify the nullity of the values of a row (the row of a table or of a request).

// Verify that the fifth row of the table has only not null values
assertThat(table).row(4).hasOnlyNotNullValues();
// Verify that the first column has only not null values
assertThat(request).row().hasOnlyNotNullValues();

On the type of column

These assertions are described in the AssertOnColumnType interface.

These assertions allow to verify the type of the values of a column (a column from a table, from a request or from a change).

// Verify that the values of the column called "firstname"
// of the table are a text (null values are considered as wrong)
assertThat(table).column("firstname").isOfType(ValueType.TEXT, false);
// The same verification (with the specific method)
// on the third column of the request
assertThat(request).column(2).isText(false);
// Now the same verification again but with a lenience with null values
// (the null values are not considered as wrong)
assertThat(request).column(2).isText(true);
// Verify that the values of the first column
// of the first change is either a date or a number
assertThat(changes).change().column()
    .isOfAnyOfTypes(ValueType.DATE, ValueType.NUMBER);

On the class of column

Since 1.1.0

This assertion is described in the AssertOnColumnClass interface.

This assertion allows to verify the class of the values of a column (a column from a table, from a request or from a change).

// Verify that the values of the column called "firstname"
// of the table are a String (null values are considered as wrong)
assertThat(table).column("firstname").isOfClass(String.class, false);
// Verify that the values of the first column
// of the first change is a Locale (null values are considered as right)
assertThat(changes).change().column().isOfClass(Locale.class, true);

On the content of column

Since 1.1.0

These assertions are described in the AssertOnColumnContent interface.

These assertions allow to verify the content of a column (a column from a table or from a request).

// Verify that the content of the column called "name"
assertThat(table).column("name").containsValues("Hewson",
                                                "Evans",
                                                "Clayton",
                                                "Mullen");
// This second assertion is equivalent because the order of the values is not important
assertThat(table).column("name").containsValues("Evans",
                                                "Clayton", 
                                                "Hewson", 
                                                "Mullen");

On the type of data

These assertions are described in the AssertOnDataType interface.

These assertions allow to verify the type of the date on which is a change.

// Verify that the change is on a table
assertThat(changes).change().isOnDataType(DataType.TABLE);
// The same verification (with the specific method)
assertThat(changes).change().isOnTable();
// Verify that the change is on the "members" table
assertThat(changes).change().isOnTable("members");

On the modified columns in a change

These assertions are described in the AssertOnModifiedColumn and the AssertOnModifiedColumns interfaces.

These assertions allow to verify if a column of a change have been modified between the start point and the end point (see the concept of changes).

// Verify that first column of the change is not modified
// and the second column is modified
assertThat(changes).change().column().isNotModified().column().isModified();
// Verify that there are 2 modified columns in the change
assertThat(changes).change().hasNumberOfModifiedColumns(2);
// Verify that the modified column in change are at index 1 and 2
assertThat(changes).change().hasModifiedColumns(1, 2);
// Verify that the modified column in change are "name" and "firstname"
assertThat(changes).change().hasModifiedColumns("name", "firstname");

Since version 1.1.0, there are new assertions which allow to compare the number of modified columns between the start point and the end point.

// Verify that the number of modified columns in the first change is more than 5 
assertThat(changes).change().hasNumberOfModifiedColumnsGreaterThan(5);
// Verify that the number of modified columns in the first change is at least 5
assertThat(changes).change().hasNumberOfModifiedColumnsGreaterThanOrEqualTo(5);
// Verify that the number of modified columns in the first change is less than 6
assertThat(changes).change().hasNumberOfModifiedColumnsLessThan(6);
// Verify that the number of modified columns in the first change is at most 6
assertThat(changes).change().hasNumberOfModifiedColumnsLessThanOrEqualTo(6);

On the number of changes

This assertion is described in the AssertOnNumberOfChanges interface.

This assertion allows to verify the number of changes.

// Verify that there are 4 changes
assertThat(changes).hasNumberOfChanges(4);

Since version 1.1.0, there are new assertions which allow to compare the number of changes between the start point and the end point.

// Verify that the number of changes is more than 5 
assertThat(changes).hasNumberOfChangesGreaterThan(5);
// Verify that the number of changes is at least 5
assertThat(changes).hasNumberOfChangesGreaterThanOrEqualTo(5);
// Verify that the number of changes is less than 6
assertThat(changes).hasNumberOfChangesLessThan(6);
// Verify that the number of changes is at most 6
assertThat(changes).hasNumberOfChangesLessThanOrEqualTo(6);

On the number of columns

This assertion is described in the AssertOnNumberOfColumns interface.

This assertion allows to verify the number of columns (columns from a table, from a request or from a change).

// Verify that there are 6 columns in the table
assertThat(table).hasNumberOfColumns(6);
// Verify that there are 4 columns in the change
assertThat(changes).change().hasNumberOfColumns(4);

Since version 1.1.0, there are new assertions which allow to compare the number of columns.

// Verify that the number of columns is more than 5 
assertThat(table).hasNumberOfColumnsGreaterThan(5);
// Verify that the number of columns is at least 5
assertThat(request).hasNumberOfColumnsGreaterThanOrEqualTo(5);
// Verify that the number of columns is less than 6
assertThat(changes).hasNumberOfColumnsLessThan(6);
// Verify that the number of columns is at most 6
assertThat(changes).hasNumberOfColumnsLessThanOrEqualTo(6);

On the number of rows

This assertion is described in the AssertOnNumberOfRows interface.

This assertion allows to verify the number of rows (rows from a table or from a request).

// Verify that there are 7 rows in the table
assertThat(table).hasNumberOfRows(7);

Since version 1.1.0, there are new assertions which allow to compare the number of rows.

// Verify that the number of rows is more than 5 
assertThat(table).hasNumberOfRowsGreaterThan(5);
// Verify that the number of rows is at least 5
assertThat(request).hasNumberOfRowsGreaterThanOrEqualTo(5);
// Verify that the number of rows is less than 6
assertThat(changes).hasNumberOfRowsLessThan(6);
// Verify that the number of rows is at most 6
assertThat(changes).hasNumberOfRowsLessThanOrEqualTo(6);

Since version 1.2.0, there is a new assertion which allow to verify if rows are empty (equivalent to hasNumberOfRows(0)).

// Verify that the table are empty 
assertThat(table).isEmpty();

On the primary keys

These assertions are described in the AssertOnPrimaryKey interface.

These assertions allow to verify the names and the values of the columns which compose the primary keys of the rows from a change.

// Verify that the columns of the primary keys are "id" and "name"
assertThat(changes).change().hasPksNames("id", "name");
// Verify that the values of the primary keys are 1 and "HEWSON"
assertThat(changes).change().hasPksValues(1, "HEWSON");

On the equality with the values of a row

This assertion is described in the AssertOnRowEquality interface.

This assertion allow to verify the values of a row (the row of a table, of a request or of a change).

// Verify the values of the row at index 1
assertThat(table).row(1)
                 .hasValues(2, 
                            "Evans", 
                            "David Howell", 
                            "The Edge", 
                            DateValue.of(1961, 8, 8), 
                            1.77);
// Verify the values of the row at end point
assertThat(changes).change().rowAtEndPoint()
                            .hasValues(5, 
                                       "McGuiness", 
                                       "Paul", 
                                       null, 
                                       "1951-06-17", 
                                       null);

On the existence of a row in a change

These assertions are described in the AssertOnRowOfChangeExistence interface.

These assertions allow to verify that the row at start point or at end point of a change exists or not (for a creation, the row do not exist at start point and for a deletion it is the contrary : the row do not exist at end point).

// Verify that row at start point exists
assertThat(changes).change().rowAtStartPoint().exists();
// Verify that the row at end point do not exist
assertThat(changes).change().rowAtEndPoint().doesNotExist();

On the chronology of a value

These assertions are described in the AssertOnValueChronology interface.

These assertions allow to compare a value (the value of a table, of a request or of a change) to a date, a time or a date/time.

// Compare the value with a date
assertThat(table).row(1).value("birthdate")
                        .isAfter(DateValue.of(1950, 8, 8));
// Verify the value is between two dates/times
assertThat(changes).change().column("release").valueAtEndPoint()
                            .isAfterOrEqualTo(DateTimeValue.parse("2014-09-08T23:30"))
                            .isBeforeOrEqualTo(DateTimeValue.parse("2014-09-09T05:30"));

On the comparison with a value

These assertions are described in the AssertOnValueComparison interface.

These assertions allow to compare a value (the value of a table, of a request or of a change) to a number.

// Compare the value with a number
assertThat(table).row(1).value("size")
                        .isGreaterThan(1.5);
// Verify the value is between two numbers
assertThat(changes).change().column("size").valueAtEndPoint()
                            .isGreaterThanOrEqualTo(1.7)
                            .isLessThanOrEqualTo(1.8);

On the closeness of a value

Since 1.1.0

These assertions are described in the AssertOnValueCloseness interface.

These assertions allow to verify if a value (the value of a table, of a request or of a change) is close to another.

// Verify if the value is close to 2 with a tolerance of 0.5
// So the values between 1.5 and 2.5 are right
assertThat(table).row(1).value("size")
                        .isCloseTo(2, 0.5);
// Verify the value is close to 05-10-1960 with a tolerance of two days
assertThat(changes).change().column("birth").valueAtEndPoint()
                            .isCloseTo(DateValue(1960, 5, 10),
                                       DateValue(0, 0, 2));

On the equality with a value

These assertions are described in the AssertOnValueEquality interface.

These assertion allow to verify that a value (the value of a table, of a request or of a change) is equal to another value (in parameter).

With Boolean
// Verify that the value is equal to true
assertThat(table).row(3).value("live").isEqualTo(true);
// Do the same thing with the specific method
assertThat(table).row(3).value("live").isTrue();
With Bytes
// Get bytes from a file
byte[] bytesFromFile = Assertions.bytesContentOf(file);
// Verify that the value at end point of the first column of the first change
// is equal to bytes from the file
assertThat(changes).change().column().valueAtStartPoint().isEqualTo(bytesFromFile);
With Number
// Verify that the first value is equal to 1.77,
// the second is equal to 50 and the last is equal to zero
assertThat(request).column("size").value().isEqualTo(1.77)
                                  .value().isEqualTo(50)
                                  .value().isEqualTo(0).isZero();
With Date
// Verify that values are equal to dates
assertThat(changes).changeOfCreation()
                       .rowAtEndPoint()
                           .value("birthdate")
                               .isEqualTo(DateValue.of(1951, 6, 17))
                   .changeOfModification()
                       .column("birthdate")
                           .isEqualTo()
                               .isNotEqualTo(DateValue.parse("1960-05-10"))
                           .valueAtEndPoint()
                               .isEqualTo(DateValue.of(1960, 5, 10));
With Time
// Verify that the value is equal to a time
assertThat(table).row().value("duration").isEqualTo(TimeValue.of(9, 1));
With Date/Time
// Verify that the value is equal to a date/time
assertThat(request).column().value()
                   .isEqualTo(DateTimeValue.of(DateValue.of(2007, 12, 23), 
                                               TimeValue.of(9, 1)))
                   .isEqualTo(DateTimeValue.parse("2007-12-23T09:01"));
With String
// Verify that the values are equal to numbers, texts and dates
assertThat(table).row().value().isEqualTo("1")
                       .value().isEqualTo("Hewson")
                       .value().isEqualTo("Paul David")
                       .value().isEqualTo("Bono")
                       .value().isEqualTo("1960-05-10")
                       .value().isEqualTo("1.75");
With UUID

Since 1.1.0

// Verify that the values are equal to UUID
assertThat(table).column().value().isEqualTo(UUID.fromString("30B443AE-C0C9-4790-9BEC-CE1380808435"))
                          .value().isEqualTo(UUID.fromString("0E2A1269-EFF0-4233-B87B-B53E8B6F164D"))
                          .value().isEqualTo(UUID.fromString("2B0D1BDD-909E-4362-BA10-C930BA82718D"));
With Character

Since 1.2.0

// Verify that the values are equal to Character
assertThat(table).column().value().isEqualTo('T')
                          .value().isEqualTo('e')
                          .value().isEqualTo('s')
                          .value().isEqualTo('t');

On the non equality with a value

These assertions are described in the AssertOnValueNonEquality interface.

These assertion allow to verify that a value (the value of a table, of a request or of a change) is not equal to another value (in parameter).

With Boolean
// Verify that the values (values "live" in the row at index 3 and index 5)
// are not equal to false
assertThat(table).row(3).value("live").isNotEqualTo(false)
                 .row(5).value("live").isNotEqualTo(false);
With Bytes
// Get bytes from a resource in the classpath
byte[] bytesFromClassPath = Assertions.bytesContentFromClassPathOf(resource);
// Verify that the value at end point of the first column of the first change
// is not equal to bytes from the resource
assertThat(changes).change().column().valueAtStartPoint().isNotEqualTo(bytesFromClassPath);
With Number
// Verify that the first value is not equal to 1.78,
// the second is not equal to 55 and the last is not equal to 15
assertThat(request).column("size").value().isNotEqualTo(1.78)
                                  .value().isNotEqualTo(55)
                                  .value().isNotEqualTo(15);
With Date
// Verify that values are not equal to dates
assertThat(changes).changeOfCreation()
                       .rowAtEndPoint()
                           .value("birthdate")
                               .isNotEqualTo(DateValue.of(1951, 6, 17))
                   .changeOfModification()
                       .column("birthdate")
                           .valueAtStartPoint()
                               .isNotEqualTo(DateValue.parse("1960-05-10"))
                           .valueAtEndPoint()
                               .isNotEqualTo(DateValue.of(1960, 5, 10));
With Time
// Verify that the value is equal to a time
assertThat(table).row().value("duration").isNotEqualTo(TimeValue.of(9, 1));
With Date/Time
// Verify that the value is not equal to a date/time
assertThat(request).column().value()
                   .isNotEqualTo(DateTimeValue.of(DateValue.of(2015, 5, 26), 
                                               TimeValue.of(22, 46)))
                   .isNotEqualTo(DateTimeValue.parse("2015-05-26T22:46"));
With String
// Verify that the values are not equal to numbers, texts and dates
assertThat(table).row().value().isNotEqualTo("5")
                       .value().isNotEqualTo("McGuiness")
                       .value().isNotEqualTo("Paul")
                       .value("birthdate").isNotEqualTo("1951-06-17");
With UUID

Since 1.1.0

// Verify that the values are not equal to UUID
assertThat(table).column()
                 .value().isNotEqualTo(UUID.fromString("30B443AE-C0C9-4790-9BEC-CE1380808435"))
                 .value().isNotEqualTo(UUID.fromString("0E2A1269-EFF0-4233-B87B-B53E8B6F164D"))
                 .value().isNotEqualTo(UUID.fromString("2B0D1BDD-909E-4362-BA10-C930BA82718D"));
With Character

Since 1.2.0

// Verify that the values are not equal to Character
assertThat(table).column()
                 .value().isNotEqualTo('T')
                 .value().isNotEqualTo('e')
                 .value().isNotEqualTo('s')
                 .value().isNotEqualTo('t');

On the nullity of a value

These assertions are described in the AssertOnValueNullity interface.

These assertions allow to verify if a value (the value of a table, of a request or of a change) is null or not.

// Verify that the value at index 1 is null and the next value is not null
assertThat(table).column().value(1).isNull()
                          .value().isNotNull();
// Verify the value is not null
assertThat(changes).change().rowAtStartPoint().value("live")
                            .isNotNull();

On the type of a value

These assertions are described in the AssertOnValueType interface.

This assertion allows to verify the type of a value (a value from a table, from a request or from changes).

// Verify that the value of the column called "firstname"
// of the fifth row of the table is a text
assertThat(table).row(4).value("firstname").isOfType(ValueType.TEXT);
// The same verification (with the specific method)
// on the third value of the second row of the request
assertThat(request).row(1).value(2).isText();
// Verify that the value at start point of the first column
// of the first change is either a date or a number
assertThat(changes).change().column().valueAtStartPoint()
    .isOfAnyOfTypes(ValueType.DATE, ValueType.NUMBER);

On the class of a value

Since 1.1.0

This assertion is described in the AssertOnValueClass interface.

This assertion allows to verify the class of a value (a value from a table, from a request or from changes).

// Verify that the value of the column called "firstname"
// of the fifth row of the table is a String
assertThat(table).row(4).value("firstname").isOfClass(String.class);
// Verify that the value at start point of the first column
// of the first change is a Locale
assertThat(changes).change().column().valueAtStartPoint()
    .isOfClass(Locale.class);