Exemple #1
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func Test_Int64(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(int64(1), Is(Int64()))
	we.CheckThat(int64(1), ToType(Is(Int64Type())))
	we.CheckThat(int(1), Is(Not(Int64())))
	we.CheckThat(int(1), ToType(Is(Not(Int64Type()))))
}
Exemple #2
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func Test_Empty_onSlices(t *testing.T) {
	we := asserter.Using(t)
	empty := []string{}
	hasTwo := []string{"itsy", "bitsy"}
	we.CheckThat(empty, Is(Empty()))
	we.CheckThat(hasTwo, Is(Not(Empty())))
}
Exemple #3
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func Test_Uint(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(uint(1), Is(Uint()))
	we.CheckThat(uint(1), ToType(Is(UintType())))
	we.CheckThat(int(1), Is(Not(Uint())))
	we.CheckThat(int(1), ToType(Is(Not(UintType()))))
}
Exemple #4
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func Test_PanicWhen_onFunctionAcceptingTwoArgsDotDotDot(t *testing.T) {
	we := asserter.Using(t)

	var functionInvoked bool
	PanicOn13 := PanicWhenApplying(func(arg int, why ...string) {
		functionInvoked = true
		if arg == 13 {
			panic("Superstition")
		}
	}, "Disallow13")

	functionInvoked = false
	we.CheckThat(PanicOn13.Match("thirteen"), Matched.
		Comment("Should panic when can't invoke function"))
	we.CheckFalse(functionInvoked, "Shouldn't have invoked function")

	functionInvoked = false
	we.CheckThat(PanicOn13.Match(12), DidNotMatch)
	we.CheckTrue(functionInvoked, "Should have invoked function")

	functionInvoked = false
	we.CheckThat(PanicOn13.Match(13), Matched)
	we.CheckTrue(functionInvoked, "Should have invoked function")

	logSamples(t, PanicOn13)
}
Exemple #5
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func Test_Empty_onMaps(t *testing.T) {
	we := asserter.Using(t)
	empty := map[string]int{}
	hasTwo := map[string]int{"foo": 1, "bar": 2}
	we.CheckThat(empty, Is(Empty()))
	we.CheckThat(hasTwo, Is(Not(Empty())))
}
Exemple #6
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func Test_ToLen_onSlices(t *testing.T) {
	we := asserter.Using(t)
	empty := []string{}
	hasTwo := []string{"itsy", "bitsy"}
	we.CheckThat(empty, ToLen(Is(EqualTo(0))))
	we.CheckThat(hasTwo, ToLen(Is(EqualTo(2))))
}
Exemple #7
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func Test_PanicWhen_onFunctionAcceptingBool(t *testing.T) {
	we := asserter.Using(t)

	var functionInvoked bool
	PanicOnFalse := PanicWhenApplying(func(b bool) {
		functionInvoked = true
		if !b {
			panic("Must be true")
		}
	}, "PanicOnFalse")

	functionInvoked = false
	we.CheckThat(PanicOnFalse.Match("true"), Matched.
		Comment("Should panic when can't invoke function"))
	we.CheckFalse(functionInvoked, "Shouldn't have invoked function")

	functionInvoked = false
	we.CheckThat(PanicOnFalse.Match(nil), Matched.
		Comment("Can't invoke function with string"))
	we.CheckFalse(functionInvoked, "Shouldn't have invoked function")

	functionInvoked = false
	we.CheckThat(PanicOnFalse.Match(true), DidNotMatch)
	we.CheckTrue(functionInvoked, "Should have invoked function")

	functionInvoked = false
	we.CheckThat(PanicOnFalse.Match(false), Matched)
	we.CheckTrue(functionInvoked, "Should have invoked function")

	logSamples(t, PanicOnFalse)
}
Exemple #8
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func Test_DeepEqualTo(t *testing.T) {
	we := asserter.Using(t)
	data := []interface{}{
		nil, true, false,
		int(42), uint(42), float64(42), complex128(42),
		struct{ x int }{x: 42},
		struct{ x int }{x: 42},
		&struct{ x int }{x: 42},
		struct{ y int }{y: 42},
		_DeepEqualType{x: 42},
		&_DeepEqualType{x: 42},
		[]int{42},
		[]int{42},
		map[int]int{42: 42},
		map[int]int{42: 42},
		make(chan int, 42),
		make(chan int, 42),
	}
	for _, x := range data {
		matcher := DeepEqualTo(x)
		for _, y := range data {
			message := fmt.Sprintf("%T[%v] and %T[%v]", x, x, y, y)
			if reflect.DeepEqual(x, y) {
				we.CheckThat(matcher.Match(y), Matched.Comment(message))
			} else {
				we.CheckThat(matcher.Match(y), DidNotMatch.Comment(message))
			}
		}
	}
	logSamples(t, DeepEqualTo(42))
}
Exemple #9
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func Test_ToLen_onMaps(t *testing.T) {
	we := asserter.Using(t)
	empty := map[string]int{}
	hasTwo := map[string]int{"foo": 1, "bar": 2}
	we.CheckThat(empty, ToLen(Is(EqualTo(0))))
	we.CheckThat(hasTwo, ToLen(Is(EqualTo(2))))
}
Exemple #10
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func Test_Is(t *testing.T) {
	we := asserter.Using(t)
	matcher := Is(True())
	we.CheckThat(matcher.Match(true), Matched)
	we.CheckThat(matcher.Match(false), DidNotMatch)
	logSamples(t, matcher)
}
Exemple #11
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func Test_SliceTypeOf(t *testing.T) {
	we := asserter.Using(t)
	boolSlice := make([]bool, 0, 1)
	intSlice := make([]int, 0, 1)
	intSliceSlice := make([][]int, 0, 1)

	we.CheckThat(boolSlice, Is(SliceOf(BoolType())))
	we.CheckThat(boolSlice, Is(Not(SliceOf(IntType()))))
	we.CheckThat(boolSlice, ToType(Is(SliceTypeOf(BoolType()))))
	we.CheckThat(boolSlice, ToType(Is(Not(SliceTypeOf(IntType())))))

	we.CheckThat(intSlice, Is(Not(SliceOf(BoolType()))))
	we.CheckThat(intSlice, Is(SliceOf(IntType())))
	we.CheckThat(intSlice, ToType(Is(Not(SliceTypeOf(BoolType())))))
	we.CheckThat(intSlice, ToType(Is(SliceTypeOf(IntType()))))

	we.CheckThat(intSliceSlice, Is(Not(SliceOf(IntType()))))
	we.CheckThat(intSliceSlice, Is(Not(SliceOf(SliceOf(IntType())))))
	we.CheckThat(intSliceSlice, Is(Not(SliceTypeOf(SliceOf(IntType())))))
	we.CheckThat(intSliceSlice, Is(SliceOf(SliceTypeOf(IntType()))))
	we.CheckThat(intSliceSlice, ToType(Is(SliceTypeOf(SliceTypeOf(IntType())))))

	var intArray = [3]int{1, 2, 3}
	we.CheckThat(intArray, Is(Not(SliceOf(Anything()))))
	we.CheckThat(intArray, ToType(Is(Not(SliceTypeOf(Anything())))))
}
Exemple #12
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func logSamples(t *testing.T, matcher *base.Matcher) {
	t.Logf("Sample results for: %v\n", matcher)
	we := asserter.Using(t)
	for index, value := range sampleValues {
		t.Logf("Sample #%v: %T[value: %v]\n", index+1, value, value)
		we.LogResult(matcher.Match(value))
	}
}
Exemple #13
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func Test_ToLen(t *testing.T) {
	we := asserter.Using(t)
	IsLength2 := ToLen(Is(EqualTo(2)))
	we.CheckThat(IsLength2.Match([]int{}), DidNotMatch.Comment("no elements"))
	we.CheckThat(IsLength2.Match([]int{7}), DidNotMatch.Comment("too few"))
	we.CheckThat(IsLength2.Match([]int{7, 8}), Matched.Comment("just right"))
	we.CheckThat(IsLength2.Match([]int{7, 8, 9}), DidNotMatch.Comment("too many"))
}
Exemple #14
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func Test_EveryElement_ofSlice(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat([]int{1, 2, 3}, EveryElement(LessThan(4)).Comment("all elements"))
	we.CheckThat([]int{2, 1, 1}, Not(EveryElement(LessThan(2))).Comment("all but first"))
	we.CheckThat([]int{1, 2, 1}, Not(EveryElement(LessThan(2))).Comment("all but middle"))
	we.CheckThat([]int{1, 1, 2}, Not(EveryElement(LessThan(2))).Comment("all but last"))
	we.CheckThat([]int{}, EveryElement(Anything()).Comment("no elements"))
}
Exemple #15
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func Test_AnyElement_ofSlice(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat([]int{1, 2, 3}, AnyElement(EqualTo(1)).Comment("first element"))
	we.CheckThat([]int{1, 2, 3}, AnyElement(EqualTo(2)).Comment("middle element"))
	we.CheckThat([]int{1, 2, 3}, AnyElement(EqualTo(3)).Comment("last element"))
	we.CheckThat([]int{1, 2, 3}, Not(AnyElement(EqualTo(4))).Comment("none matching"))
	we.CheckThat([]int{}, Not(AnyElement(Anything())).Comment("no elements"))
}
Exemple #16
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func Test_MapTypeOf(t *testing.T) {
	we := asserter.Using(t)
	intStringMap := map[int]string{1: "one", 2: "two"}

	we.CheckThat(intStringMap, ToType(Is(MapTypeOf(IntType(), StringType()))))
	we.CheckThat(intStringMap, ToType(Is(Not(MapTypeOf(StringType(), StringType())))))
	we.CheckThat(intStringMap, ToType(Is(Not(MapTypeOf(IntType(), IntType())))))
	we.CheckThat(intStringMap, ToType(Is(Not(MapTypeOf(StringType(), IntType())))))
}
Exemple #17
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func Test_Float64(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(float64(1.0), Is(Float64()))
	we.CheckThat(float64(1.0), ToType(Is(Float64Type())))
	we.CheckThat(float32(1.0), Is(Not(Float64())))
	we.CheckThat(float32(1.0), ToType(Is(Not(Float64Type()))))
	we.CheckThat(complex128(1.0), Is(Not(Float64())))
	we.CheckThat(complex128(1.0), ToType(Is(Not(Float64Type()))))
}
Exemple #18
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func Test_SameTypeAs(t *testing.T) {
	we := asserter.Using(t)

	we.CheckThat(SameTypeAs(false).Match(true), Matched)
	we.CheckThat(SameTypeAs(true).Match(false), Matched)

	we.CheckThat(SameTypeAs(2).Match(1), Matched)
	we.CheckThat(SameTypeAs(int(2)).Match(uint(1)), DidNotMatch)
}
Exemple #19
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func Test_Complex128(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(complex128(1.0i), Is(Complex128()))
	we.CheckThat(complex128(1.0i), ToType(Is(Complex128Type())))
	we.CheckThat(complex64(1.0i), Is(Not(Complex128())))
	we.CheckThat(complex64(1.0i), ToType(Is(Not(Complex128Type()))))
	we.CheckThat(float64(1.0), Is(Not(Complex128())))
	we.CheckThat(float64(1.0), ToType(Is(Not(Complex128Type()))))
}
Exemple #20
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func Test_NonNil(t *testing.T) {
	we := asserter.Using(t)
	matcher := NonNil()
	we.CheckThat(matcher.Match(false), Matched)
	we.CheckThat(matcher.Match(0), Matched)
	we.CheckThat(matcher.Match("nil"), Matched)
	checkMatcherIsNonMatchingOnNils(t, matcher)
	logSamples(t, matcher)
}
Exemple #21
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// Check Matchers
func TestAnything(t *testing.T) {
	we := asserter.Using(t)
	matcher := Anything()
	we.CheckThat(matcher.Match(true), Matched)
	we.CheckThat(matcher.Match(false), Matched)
	we.CheckThat(matcher.Match("foo"), Matched)
	checkMatcherIsMatchingOnNils(t, matcher)
	logSamples(t, matcher)
}
Exemple #22
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func Test_False(t *testing.T) {
	we := asserter.Using(t)
	matcher := False()
	we.CheckThat(matcher.Match(true), DidNotMatch)
	we.CheckThat(matcher.Match(false), Matched)
	we.CheckThat(matcher.Match("false"), DidNotMatch)
	we.CheckThat(matcher.Match(0), DidNotMatch)
	checkMatcherIsNonMatchingOnNils(t, matcher)
	logSamples(t, matcher)
}
Exemple #23
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func checkMatcherIsNonMatchingOnNils(t *testing.T, matcher *base.Matcher) {
	we := asserter.Using(t)
	we.CheckThat(matcher.Match(nil), DidNotMatch.Comment("nil"))
	we.CheckThat(matcher.Match(uninitialized._pointer), DidNotMatch.Comment("uninitialized pointer"))
	we.CheckThat(matcher.Match(uninitialized._func), DidNotMatch.Comment("uninitialized func"))
	we.CheckThat(matcher.Match(uninitialized._slice), DidNotMatch.Comment("uninitialized slice"))
	we.CheckThat(matcher.Match(uninitialized._chan), DidNotMatch.Comment("uninitialized chan"))
	we.CheckThat(matcher.Match(uninitialized._map), DidNotMatch.Comment("uninitialized map"))
	we.CheckThat(matcher.Match(uninitialized._interface), DidNotMatch.Comment("uninitialized interface"))
}
Exemple #24
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func Test_NotEqualTo(t *testing.T) {
	we := asserter.Using(t)

	we.CheckThat(3, NotEqualTo(2))
	we.CheckThat(3, Not(NotEqualTo(3)))

	we.CheckThat(3, NotEqualTo("3"))
	we.CheckThat(int(3), NotEqualTo(uint(3)))

	we.CheckThat(3, NotEqualTo(nil))
	we.CheckThat(nil, NotEqualTo(3))
}
Exemple #25
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func Test_EachElem(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(EachElem(NotEqualTo(1)).Match([]int{1, 2, 3}),
		DidNotMatch.Comment("all but first element"))
	we.CheckThat(EachElem(NotEqualTo(2)).Match([]int{1, 2, 3}),
		DidNotMatch.Comment("all but middle element"))
	we.CheckThat(EachElem(NotEqualTo(3)).Match([]int{1, 2, 3}),
		DidNotMatch.Comment("all but last element"))
	we.CheckThat(EachElem(NotEqualTo(4)).Match([]int{1, 2, 3}),
		Matched.Comment("all match"))
	we.CheckThat(EachElem(Anything()).Match([]int{}),
		Matched.Comment("no elements"))
}
Exemple #26
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func Test_AnyElem(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(AnyElem(EqualTo(1)).Match([]int{1, 2, 3}),
		Matched.Comment("first element"))
	we.CheckThat(AnyElem(EqualTo(2)).Match([]int{1, 2, 3}),
		Matched.Comment("middle element"))
	we.CheckThat(AnyElem(EqualTo(3)).Match([]int{1, 2, 3}),
		Matched.Comment("last element"))
	we.CheckThat(AnyElem(EqualTo(4)).Match([]int{1, 2, 3}),
		DidNotMatch.Comment("None of the three match"))
	we.CheckThat(AnyElem(Anything()).Match([]int{}),
		DidNotMatch.Comment("no elements"))
}
Exemple #27
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func Test_EveryMapElement(t *testing.T) {
	we := asserter.Using(t)
	twoMap := map[string]int{"foo": 1, "bar": 2}
	emptyMap := map[string]int{}
	we.CheckThat(twoMap, EveryMapElement(GreaterThan(0)).
		Comment("all entries"))
	we.CheckThat(twoMap, Not(EveryMapElement(GreaterThan(1))).
		Comment("not entry [foo: 1]"))
	we.CheckThat(twoMap, Not(EveryMapElement(LessThan(2))).
		Comment("not entry [bar: 2]"))
	we.CheckThat(emptyMap, EveryMapElement(Anything()).
		Comment("no entries"))
}
Exemple #28
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func Test_AnyMapElement(t *testing.T) {
	we := asserter.Using(t)
	twoMap := map[string]int{"foo": 1, "bar": 2}
	emptyMap := map[string]int{}
	we.CheckThat(twoMap, AnyMapElement(EqualTo(1)).
		Comment("entry [foo: 1]"))
	we.CheckThat(twoMap, AnyMapElement(EqualTo(2)).
		Comment("entry [bar: 2]"))
	we.CheckThat(twoMap, Not(AnyMapElement(EqualTo(3))).
		Comment("neither entry matches"))
	we.CheckThat(emptyMap, Not(AnyMapElement(Anything())).
		Comment("no entries"))
}
Exemple #29
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func Test_GreaterThan(t *testing.T) {
	we := asserter.Using(t)
	we.CheckThat(3, GreaterThan(2))
	we.CheckThat(3, Not(GreaterThan(3)))
	we.CheckThat(3, Not(GreaterThan(4)))

	we.CheckThat(3, Not(GreaterThan("2")))
	we.CheckThat("3", Not(GreaterThan(2)))
	we.CheckThat(t, Not(GreaterThan(t)))

	we.CheckThat(nil, Not(GreaterThan(3)))
	we.CheckThat(3, Not(GreaterThan(nil)))
}
Exemple #30
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func Test_LessThanOrEqualTo(t *testing.T) {
	we := asserter.Using(t)

	we.CheckThat(3, Not(LessThanOrEqualTo(2)))
	we.CheckThat(3, LessThanOrEqualTo(3))
	we.CheckThat(3, LessThanOrEqualTo(4))

	we.CheckThat(3, Not(LessThanOrEqualTo("4")))
	we.CheckThat("3", Not(LessThanOrEqualTo(4)))
	we.CheckThat(t, Not(LessThanOrEqualTo(t)))

	we.CheckThat(nil, Not(LessThanOrEqualTo(3)))
	we.CheckThat(3, Not(LessThanOrEqualTo(nil)))
}