diff --git a/assert/forward_assertions.go b/assert/forward_assertions.go new file mode 100644 index 0000000..f190432 --- /dev/null +++ b/assert/forward_assertions.go @@ -0,0 +1,193 @@ +package assert + +import "time" + +type Assertions struct { + t TestingT +} + +func New(t TestingT) *Assertions { + return &Assertions{ + t: t, + } +} + +// Fail reports a failure through +func (a *Assertions) Fail(failureMessage string, msgAndArgs ...interface{}) bool { + return Fail(a.t, failureMessage, msgAndArgs...) +} + +// Implements asserts that an object is implemented by the specified interface. +// +// assert.Implements((*MyInterface)(nil), new(MyObject), "MyObject") +func (a *Assertions) Implements(interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) bool { + return Implements(a.t, interfaceObject, object, msgAndArgs...) +} + +// IsType asserts that the specified objects are of the same type. +func (a *Assertions) IsType(expectedType interface{}, object interface{}, msgAndArgs ...interface{}) bool { + return IsType(a.t, expectedType, object, msgAndArgs...) +} + +// Equal asserts that two objects are equal. +// +// assert.Equal(123, 123, "123 and 123 should be equal") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Equal(expected, actual interface{}, msgAndArgs ...interface{}) bool { + return Equal(a.t, expected, actual, msgAndArgs...) +} + +// Exactly asserts that two objects are equal is value and type. +// +// assert.Exactly(int32(123), int64(123), "123 and 123 should NOT be equal") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Exactly(expected, actual interface{}, msgAndArgs ...interface{}) bool { + return Exactly(a.t, expected, actual, msgAndArgs...) +} + +// NotNil asserts that the specified object is not nil. +// +// assert.NotNil(err, "err should be something") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) NotNil(object interface{}, msgAndArgs ...interface{}) bool { + return NotNil(a.t, object, msgAndArgs...) +} + +// Nil asserts that the specified object is nil. +// +// assert.Nil(err, "err should be nothing") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Nil(object interface{}, msgAndArgs ...interface{}) bool { + return Nil(a.t, object, msgAndArgs...) +} + +// Empty asserts that the specified object is empty. I.e. nil, "", false, 0 or a +// slice with len == 0. +// +// assert.Empty(obj) +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Empty(object interface{}, msgAndArgs ...interface{}) bool { + return Empty(a.t, object, msgAndArgs...) +} + +// Empty asserts that the specified object is NOT empty. I.e. not nil, "", false, 0 or a +// slice with len == 0. +// +// if assert.NotEmpty(obj) { +// assert.Equal("two", obj[1]) +// } +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) NotEmpty(object interface{}, msgAndArgs ...interface{}) bool { + return NotEmpty(a.t, object, msgAndArgs...) +} + +// True asserts that the specified value is true. +// +// assert.True(myBool, "myBool should be true") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) True(value bool, msgAndArgs ...interface{}) bool { + return True(a.t, value, msgAndArgs...) +} + +// False asserts that the specified value is true. +// +// assert.False(myBool, "myBool should be false") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) False(value bool, msgAndArgs ...interface{}) bool { + return False(a.t, value, msgAndArgs...) +} + +// NotEqual asserts that the specified values are NOT equal. +// +// assert.NotEqual(obj1, obj2, "two objects shouldn't be equal") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) NotEqual(expected, actual interface{}, msgAndArgs ...interface{}) bool { + return NotEqual(a.t, expected, actual, msgAndArgs...) +} + +// Contains asserts that the specified string contains the specified substring. +// +// assert.Contains("Hello World", "World", "But 'Hello World' does contain 'World'") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Contains(s, contains string, msgAndArgs ...interface{}) bool { + return Contains(a.t, s, contains, msgAndArgs...) +} + +// NotContains asserts that the specified string does NOT contain the specified substring. +// +// assert.NotContains("Hello World", "Earth", "But 'Hello World' does NOT contain 'Earth'") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) NotContains(s, contains string, msgAndArgs ...interface{}) bool { + return NotContains(a.t, s, contains, msgAndArgs...) +} + +// Uses a Comparison to assert a complex condition. +func (a *Assertions) Condition(comp Comparison, msgAndArgs ...interface{}) bool { + return Condition(a.t, comp, msgAndArgs...) +} + +// Panics asserts that the code inside the specified PanicTestFunc panics. +// +// assert.Panics(func(){ +// GoCrazy() +// }, "Calling GoCrazy() should panic") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Panics(f PanicTestFunc, msgAndArgs ...interface{}) bool { + return Panics(a.t, f, msgAndArgs...) +} + +// NotPanics asserts that the code inside the specified PanicTestFunc does NOT panic. +// +// assert.NotPanics(func(){ +// RemainCalm() +// }, "Calling RemainCalm() should NOT panic") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) NotPanics(f PanicTestFunc, msgAndArgs ...interface{}) bool { + return NotPanics(a.t, f, msgAndArgs...) +} + +// WithinDuration asserts that the two times are within duration delta of each other. +// +// assert.WithinDuration(time.Now(), time.Now(), 10*time.Second, "The difference should not be more than 10s") +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) WithinDuration(expected, actual time.Time, delta time.Duration, msgAndArgs ...interface{}) bool { + return WithinDuration(a.t, expected, actual, delta, msgAndArgs...) +} + +// NoError asserts that a function returned no error (i.e. `nil`). +// +// actualObj, err := SomeFunction() +// if assert.NoError(err) { +// assert.Equal(actualObj, expectedObj) +// } +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) NoError(theError error, msgAndArgs ...interface{}) bool { + return NoError(a.t, theError, msgAndArgs...) +} + +// Error asserts that a function returned an error (i.e. not `nil`). +// +// actualObj, err := SomeFunction() +// if assert.Error(err, "An error was expected") { +// assert.Equal(err, expectedError) +// } +// +// Returns whether the assertion was successful (true) or not (false). +func (a *Assertions) Error(theError error, msgAndArgs ...interface{}) bool { + return Error(a.t, theError, msgAndArgs...) +} diff --git a/assert/forward_assertions_test.go b/assert/forward_assertions_test.go new file mode 100644 index 0000000..c478544 --- /dev/null +++ b/assert/forward_assertions_test.go @@ -0,0 +1,323 @@ +package assert + +import ( + "errors" + "testing" + "time" +) + +func TestImplementsWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.Implements((*AssertionTesterInterface)(nil), new(AssertionTesterConformingObject)) { + t.Error("Implements method should return true: AssertionTesterConformingObject implements AssertionTesterInterface") + } + if assert.Implements((*AssertionTesterInterface)(nil), new(AssertionTesterNonConformingObject)) { + t.Error("Implements method should return false: AssertionTesterNonConformingObject does not implements AssertionTesterInterface") + } +} + +func TestIsTypeWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.IsType(new(AssertionTesterConformingObject), new(AssertionTesterConformingObject)) { + t.Error("IsType should return true: AssertionTesterConformingObject is the same type as AssertionTesterConformingObject") + } + if assert.IsType(new(AssertionTesterConformingObject), new(AssertionTesterNonConformingObject)) { + t.Error("IsType should return false: AssertionTesterConformingObject is not the same type as AssertionTesterNonConformingObject") + } + +} + +func TestEqualWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.Equal("Hello World", "Hello World") { + t.Error("Equal should return true") + } + if !assert.Equal(123, 123) { + t.Error("Equal should return true") + } + if !assert.Equal(123.5, 123.5) { + t.Error("Equal should return true") + } + if !assert.Equal([]byte("Hello World"), []byte("Hello World")) { + t.Error("Equal should return true") + } + if !assert.Equal(nil, nil) { + t.Error("Equal should return true") + } +} + +func TestNotNilWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.NotNil(new(AssertionTesterConformingObject)) { + t.Error("NotNil should return true: object is not nil") + } + if assert.NotNil(nil) { + t.Error("NotNil should return false: object is nil") + } + +} + +func TestNilWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.Nil(nil) { + t.Error("Nil should return true: object is nil") + } + if assert.Nil(new(AssertionTesterConformingObject)) { + t.Error("Nil should return false: object is not nil") + } + +} + +func TestTrueWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.True(true) { + t.Error("True should return true") + } + if assert.True(false) { + t.Error("True should return false") + } + +} + +func TestFalseWrapper(t *testing.T) { + assert := New(new(testing.T)) + + if !assert.False(false) { + t.Error("False should return true") + } + if assert.False(true) { + t.Error("False should return false") + } + +} + +func TestExactlyWrapper(t *testing.T) { + assert := New(new(testing.T)) + + a := float32(1) + b := float64(1) + c := float32(1) + d := float32(2) + + if assert.Exactly(a, b) { + t.Error("Exactly should return false") + } + if assert.Exactly(a, d) { + t.Error("Exactly should return false") + } + if !assert.Exactly(a, c) { + t.Error("Exactly should return true") + } + + if assert.Exactly(nil, a) { + t.Error("Exactly should return false") + } + if assert.Exactly(a, nil) { + t.Error("Exactly should return false") + } + +} + +func TestNotEqualWrapper(t *testing.T) { + + assert := New(new(testing.T)) + + if !assert.NotEqual("Hello World", "Hello World!") { + t.Error("NotEqual should return true") + } + if !assert.NotEqual(123, 1234) { + t.Error("NotEqual should return true") + } + if !assert.NotEqual(123.5, 123.55) { + t.Error("NotEqual should return true") + } + if !assert.NotEqual([]byte("Hello World"), []byte("Hello World!")) { + t.Error("NotEqual should return true") + } + if !assert.NotEqual(nil, new(AssertionTesterConformingObject)) { + t.Error("NotEqual should return true") + } +} + +func TestContainsWrapper(t *testing.T) { + + assert := New(new(testing.T)) + + if !assert.Contains("Hello World", "Hello") { + t.Error("Contains should return true: \"Hello World\" contains \"Hello\"") + } + if assert.Contains("Hello World", "Salut") { + t.Error("Contains should return false: \"Hello World\" does not contain \"Salut\"") + } + +} + +func TestNotContainsWrapper(t *testing.T) { + + assert := New(new(testing.T)) + + if !assert.NotContains("Hello World", "Hello!") { + t.Error("NotContains should return true: \"Hello World\" does not contain \"Hello!\"") + } + if assert.NotContains("Hello World", "Hello") { + t.Error("NotContains should return false: \"Hello World\" contains \"Hello\"") + } + +} + +func TestDidPanicWrapper(t *testing.T) { + + if funcDidPanic, _ := didPanic(func() { + panic("Panic!") + }); !funcDidPanic { + t.Error("didPanic should return true") + } + + if funcDidPanic, _ := didPanic(func() { + }); funcDidPanic { + t.Error("didPanic should return false") + } + +} + +func TestPanicsWrapper(t *testing.T) { + + assert := New(new(testing.T)) + + if !assert.Panics(func() { + panic("Panic!") + }) { + t.Error("Panics should return true") + } + + if assert.Panics(func() { + }) { + t.Error("Panics should return false") + } + +} + +func TestNotPanicsWrapper(t *testing.T) { + + assert := New(new(testing.T)) + + if !assert.NotPanics(func() { + }) { + t.Error("NotPanics should return true") + } + + if assert.NotPanics(func() { + panic("Panic!") + }) { + t.Error("NotPanics should return false") + } + +} + +func TestEqualWrapper_Funcs(t *testing.T) { + + assert := New(t) + + type f func() int + var f1 f = func() int { return 1 } + var f2 f = func() int { return 2 } + + var f1_copy f = f1 + + assert.Equal(f1_copy, f1, "Funcs are the same and should be considered equal") + assert.NotEqual(f1, f2, "f1 and f2 are different") + +} + +func TestNoErrorWrapper(t *testing.T) { + assert := New(t) + mockAssert := New(new(testing.T)) + + // start with a nil error + var err error = nil + + assert.True(mockAssert.NoError(err), "NoError should return True for nil arg") + + // now set an error + err = errors.New("Some error") + + assert.False(mockAssert.NoError(err), "NoError with error should return False") + +} + +func TestErrorWrapper(t *testing.T) { + assert := New(t) + mockAssert := New(new(testing.T)) + + // start with a nil error + var err error = nil + + assert.False(mockAssert.Error(err), "Error should return False for nil arg") + + // now set an error + err = errors.New("Some error") + + assert.True(mockAssert.Error(err), "Error with error should return True") + +} + +func TestEmptyWrapper(t *testing.T) { + assert := New(t) + mockAssert := New(new(testing.T)) + + assert.True(mockAssert.Empty(""), "Empty string is empty") + assert.True(mockAssert.Empty(nil), "Nil is empty") + assert.True(mockAssert.Empty([]string{}), "Empty string array is empty") + assert.True(mockAssert.Empty(0), "Zero int value is empty") + assert.True(mockAssert.Empty(false), "False value is empty") + + assert.False(mockAssert.Empty("something"), "Non Empty string is not empty") + assert.False(mockAssert.Empty(errors.New("something")), "Non nil object is not empty") + assert.False(mockAssert.Empty([]string{"something"}), "Non empty string array is not empty") + assert.False(mockAssert.Empty(1), "Non-zero int value is not empty") + assert.False(mockAssert.Empty(true), "True value is not empty") + +} + +func TestNotEmptyWrapper(t *testing.T) { + assert := New(t) + mockAssert := New(new(testing.T)) + + assert.False(mockAssert.NotEmpty(""), "Empty string is empty") + assert.False(mockAssert.NotEmpty(nil), "Nil is empty") + assert.False(mockAssert.NotEmpty([]string{}), "Empty string array is empty") + assert.False(mockAssert.NotEmpty(0), "Zero int value is empty") + assert.False(mockAssert.NotEmpty(false), "False value is empty") + + assert.True(mockAssert.NotEmpty("something"), "Non Empty string is not empty") + assert.True(mockAssert.NotEmpty(errors.New("something")), "Non nil object is not empty") + assert.True(mockAssert.NotEmpty([]string{"something"}), "Non empty string array is not empty") + assert.True(mockAssert.NotEmpty(1), "Non-zero int value is not empty") + assert.True(mockAssert.NotEmpty(true), "True value is not empty") + +} + +func TestWithinDurationWrapper(t *testing.T) { + assert := New(t) + mockAssert := New(new(testing.T)) + a := time.Now() + b := a.Add(10 * time.Second) + + assert.True(mockAssert.WithinDuration(a, b, 10*time.Second), "A 10s difference is within a 10s time difference") + assert.True(mockAssert.WithinDuration(b, a, 10*time.Second), "A 10s difference is within a 10s time difference") + + assert.False(mockAssert.WithinDuration(a, b, 9*time.Second), "A 10s difference is not within a 9s time difference") + assert.False(mockAssert.WithinDuration(b, a, 9*time.Second), "A 10s difference is not within a 9s time difference") + + assert.False(mockAssert.WithinDuration(a, b, -9*time.Second), "A 10s difference is not within a 9s time difference") + assert.False(mockAssert.WithinDuration(b, a, -9*time.Second), "A 10s difference is not within a 9s time difference") + + assert.False(mockAssert.WithinDuration(a, b, -11*time.Second), "A 10s difference is not within a 9s time difference") + assert.False(mockAssert.WithinDuration(b, a, -11*time.Second), "A 10s difference is not within a 9s time difference") +}