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java.lang.Objectorg.fest.assertions.Assertions
public class Assertions
Understands an entry point for assertion methods for different data types. Each method in this class is a static factory for the type-specific assertion objects. The purpose of this class is to make test code more readable.
For example:
int removed = employees.removeFired();assertThat
(removed).isZero
(); List<Employee> newEmployees = employees.hired(TODAY);assertThat
(newEmployees).hasSize
(6);
Constructor Summary | |
---|---|
protected |
Assertions()
This constructor is protected to make it possible to subclass this class. |
Method Summary | ||
---|---|---|
static BigDecimalAssert |
assertThat(BigDecimal actual)
Creates a new instance of . |
|
static BooleanAssert |
assertThat(boolean actual)
Creates a new instance of . |
|
static BooleanAssert |
assertThat(Boolean actual)
Creates a new instance of . |
|
static BooleanArrayAssert |
assertThat(boolean[] actual)
Creates a new instance of . |
|
static ImageAssert |
assertThat(BufferedImage actual)
Creates a new instance of . |
|
static ByteAssert |
assertThat(byte actual)
Creates a new instance of . |
|
static ByteAssert |
assertThat(Byte actual)
Creates a new instance of . |
|
static ByteArrayAssert |
assertThat(byte[] actual)
Creates a new instance of . |
|
static CharAssert |
assertThat(char actual)
Creates a new instance of . |
|
static CharArrayAssert |
assertThat(char[] actual)
Creates a new instance of . |
|
static CharAssert |
assertThat(Character actual)
Creates a new instance of . |
|
static CollectionAssert |
assertThat(Collection<?> actual)
Creates a new instance of . |
|
static DoubleAssert |
assertThat(double actual)
Creates a new instance of . |
|
static DoubleAssert |
assertThat(Double actual)
Creates a new instance of . |
|
static DoubleArrayAssert |
assertThat(double[] actual)
Creates a new instance of . |
|
static FileAssert |
assertThat(File actual)
Creates a new instance of . |
|
static FloatAssert |
assertThat(float actual)
Creates a new instance of . |
|
static FloatAssert |
assertThat(Float actual)
Creates a new instance of . |
|
static FloatArrayAssert |
assertThat(float[] actual)
Creates a new instance of . |
|
static IntAssert |
assertThat(int actual)
Creates a new instance of . |
|
static IntArrayAssert |
assertThat(int[] actual)
Creates a new instance of . |
|
static IntAssert |
assertThat(Integer actual)
Creates a new instance of . |
|
static CollectionAssert |
assertThat(Iterable<?> actual)
Creates a new instance of . |
|
static CollectionAssert |
assertThat(Iterator<?> actual)
Creates a new instance of . |
|
static ListAssert |
assertThat(List<?> actual)
Creates a new instance of . |
|
static LongAssert |
assertThat(long actual)
Creates a new instance of . |
|
static LongAssert |
assertThat(Long actual)
Creates a new instance of . |
|
static LongArrayAssert |
assertThat(long[] actual)
Creates a new instance of . |
|
static MapAssert |
assertThat(Map<?,?> actual)
Creates a new instance of . |
|
static ObjectAssert |
assertThat(Object actual)
Creates a new instance of . |
|
static ObjectArrayAssert |
assertThat(Object[] actual)
Creates a new instance of . |
|
static ShortAssert |
assertThat(short actual)
Creates a new instance of . |
|
static ShortAssert |
assertThat(Short actual)
Creates a new instance of . |
|
static ShortArrayAssert |
assertThat(short[] actual)
Creates a new instance of . |
|
static StringAssert |
assertThat(String actual)
Creates a new instance of . |
|
static
|
assertThat(T assertion)
Returns the given assertion. |
|
static ThrowableAssert |
assertThat(Throwable actual)
Creates a new instance of . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected Assertions()
Method Detail |
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public static BigDecimalAssert assertThat(BigDecimal actual)
BigDecimalAssert
.
actual
- the value to be the target of the assertions methods.
public static BooleanAssert assertThat(boolean actual)
BooleanAssert
.
actual
- the value to be the target of the assertions methods.
public static BooleanAssert assertThat(Boolean actual)
BooleanAssert
.
actual
- the value to be the target of the assertions methods.
public static BooleanArrayAssert assertThat(boolean[] actual)
BooleanArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static ImageAssert assertThat(BufferedImage actual)
ImageAssert
.
actual
- the value to be the target of the assertions methods.
public static ByteAssert assertThat(byte actual)
ByteAssert
.
actual
- the value to be the target of the assertions methods.
public static ByteAssert assertThat(Byte actual)
ByteAssert
.
actual
- the value to be the target of the assertions methods.
public static ByteArrayAssert assertThat(byte[] actual)
ByteArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static CharAssert assertThat(char actual)
CharAssert
.
actual
- the value to be the target of the assertions methods.
public static CharAssert assertThat(Character actual)
CharAssert
.
actual
- the value to be the target of the assertions methods.
public static CharArrayAssert assertThat(char[] actual)
CharArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static CollectionAssert assertThat(Collection<?> actual)
CollectionAssert
.
actual
- the value to be the target of the assertions methods.
public static ListAssert assertThat(List<?> actual)
ListAssert
.
actual
- the value to be the target of the assertions methods.
public static DoubleAssert assertThat(double actual)
DoubleAssert
.
actual
- the value to be the target of the assertions methods.
public static DoubleAssert assertThat(Double actual)
DoubleAssert
.
actual
- the value to be the target of the assertions methods.
public static DoubleArrayAssert assertThat(double[] actual)
DoubleArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static FileAssert assertThat(File actual)
FileAssert
.
actual
- the value to be the target of the assertions methods.
public static FloatAssert assertThat(float actual)
FloatAssert
.
actual
- the value to be the target of the assertions methods.
public static FloatAssert assertThat(Float actual)
FloatAssert
.
actual
- the value to be the target of the assertions methods.
public static FloatArrayAssert assertThat(float[] actual)
FloatArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static IntAssert assertThat(int actual)
IntAssert
.
actual
- the value to be the target of the assertions methods.
public static IntAssert assertThat(Integer actual)
IntAssert
.
actual
- the value to be the target of the assertions methods.
public static IntArrayAssert assertThat(int[] actual)
IntArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static CollectionAssert assertThat(Iterable<?> actual)
CollectionAssert
.
actual
- an Iterable
whose contents will be added to a new Collection
.
public static CollectionAssert assertThat(Iterator<?> actual)
CollectionAssert
.
actual
- an Iterator
whose contents will be added to a new Collection
.
public static LongAssert assertThat(long actual)
LongAssert
.
actual
- the value to be the target of the assertions methods.
public static LongAssert assertThat(Long actual)
LongAssert
.
actual
- the value to be the target of the assertions methods.
public static LongArrayAssert assertThat(long[] actual)
LongArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static MapAssert assertThat(Map<?,?> actual)
MapAssert
.
actual
- the value to be the target of the assertions methods.
public static ObjectAssert assertThat(Object actual)
ObjectAssert
.
actual
- the value to be the target of the assertions methods.
public static ObjectArrayAssert assertThat(Object[] actual)
ObjectArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static ShortAssert assertThat(short actual)
ShortAssert
.
actual
- the value to be the target of the assertions methods.
public static ShortAssert assertThat(Short actual)
ShortAssert
.
actual
- the value to be the target of the assertions methods.
public static ShortArrayAssert assertThat(short[] actual)
ShortArrayAssert
.
actual
- the value to be the target of the assertions methods.
public static StringAssert assertThat(String actual)
StringAssert
.
actual
- the value to be the target of the assertions methods.
public static <T extends AssertExtension> T assertThat(T assertion)
assertThat
".
For example, let's assume we have the following custom assertion class:
public class ServerSocketAssertion implements AssertExtension { private final ServerSocket socket; public ServerSocketAssertion(ServerSocket socket) { this.socket = socket; } public ServerSocketAssert isConnectedTo(int port) { assertThat(socket.isBound()).isTrue(); assertThat(socket.getLocalPort()).isEqualTo(port); assertThat(socket.isClosed()).isFalse(); return this; } }
We can wrap that assertion with "assertThat
" to improve test code readability.
ServerSocketAssertion socket = new ServerSocketAssertion(server.getSocket()); assertThat(socket).isConnectedTo(2000);
T
- the generic type of the user-defined assertion.assertion
- the assertion to return.
public static ThrowableAssert assertThat(Throwable actual)
ThrowableAssert
.
actual
- the value to be the target of the assertions methods.
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