diff options
Diffstat (limited to 'vendor/github.com/stretchr/testify/assert/assertions.go')
| -rw-r--r-- | vendor/github.com/stretchr/testify/assert/assertions.go | 384 |
1 files changed, 285 insertions, 99 deletions
diff --git a/vendor/github.com/stretchr/testify/assert/assertions.go b/vendor/github.com/stretchr/testify/assert/assertions.go index fa1245b1..a55d1bba 100644 --- a/vendor/github.com/stretchr/testify/assert/assertions.go +++ b/vendor/github.com/stretchr/testify/assert/assertions.go @@ -8,7 +8,6 @@ import ( "fmt" "math" "os" - "path/filepath" "reflect" "regexp" "runtime" @@ -76,6 +75,77 @@ func ObjectsAreEqual(expected, actual interface{}) bool { return bytes.Equal(exp, act) } +// copyExportedFields iterates downward through nested data structures and creates a copy +// that only contains the exported struct fields. +func copyExportedFields(expected interface{}) interface{} { + if isNil(expected) { + return expected + } + + expectedType := reflect.TypeOf(expected) + expectedKind := expectedType.Kind() + expectedValue := reflect.ValueOf(expected) + + switch expectedKind { + case reflect.Struct: + result := reflect.New(expectedType).Elem() + for i := 0; i < expectedType.NumField(); i++ { + field := expectedType.Field(i) + isExported := field.IsExported() + if isExported { + fieldValue := expectedValue.Field(i) + if isNil(fieldValue) || isNil(fieldValue.Interface()) { + continue + } + newValue := copyExportedFields(fieldValue.Interface()) + result.Field(i).Set(reflect.ValueOf(newValue)) + } + } + return result.Interface() + + case reflect.Ptr: + result := reflect.New(expectedType.Elem()) + unexportedRemoved := copyExportedFields(expectedValue.Elem().Interface()) + result.Elem().Set(reflect.ValueOf(unexportedRemoved)) + return result.Interface() + + case reflect.Array, reflect.Slice: + result := reflect.MakeSlice(expectedType, expectedValue.Len(), expectedValue.Len()) + for i := 0; i < expectedValue.Len(); i++ { + index := expectedValue.Index(i) + if isNil(index) { + continue + } + unexportedRemoved := copyExportedFields(index.Interface()) + result.Index(i).Set(reflect.ValueOf(unexportedRemoved)) + } + return result.Interface() + + case reflect.Map: + result := reflect.MakeMap(expectedType) + for _, k := range expectedValue.MapKeys() { + index := expectedValue.MapIndex(k) + unexportedRemoved := copyExportedFields(index.Interface()) + result.SetMapIndex(k, reflect.ValueOf(unexportedRemoved)) + } + return result.Interface() + + default: + return expected + } +} + +// ObjectsExportedFieldsAreEqual determines if the exported (public) fields of two objects are +// considered equal. This comparison of only exported fields is applied recursively to nested data +// structures. +// +// This function does no assertion of any kind. +func ObjectsExportedFieldsAreEqual(expected, actual interface{}) bool { + expectedCleaned := copyExportedFields(expected) + actualCleaned := copyExportedFields(actual) + return ObjectsAreEqualValues(expectedCleaned, actualCleaned) +} + // ObjectsAreEqualValues gets whether two objects are equal, or if their // values are equal. func ObjectsAreEqualValues(expected, actual interface{}) bool { @@ -141,12 +211,11 @@ func CallerInfo() []string { } parts := strings.Split(file, "/") - file = parts[len(parts)-1] if len(parts) > 1 { + filename := parts[len(parts)-1] dir := parts[len(parts)-2] - if (dir != "assert" && dir != "mock" && dir != "require") || file == "mock_test.go" { - path, _ := filepath.Abs(file) - callers = append(callers, fmt.Sprintf("%s:%d", path, line)) + if (dir != "assert" && dir != "mock" && dir != "require") || filename == "mock_test.go" { + callers = append(callers, fmt.Sprintf("%s:%d", file, line)) } } @@ -273,7 +342,7 @@ type labeledContent struct { // labeledOutput returns a string consisting of the provided labeledContent. Each labeled output is appended in the following manner: // -// \t{{label}}:{{align_spaces}}\t{{content}}\n +// \t{{label}}:{{align_spaces}}\t{{content}}\n // // The initial carriage return is required to undo/erase any padding added by testing.T.Errorf. The "\t{{label}}:" is for the label. // If a label is shorter than the longest label provided, padding spaces are added to make all the labels match in length. Once this @@ -296,7 +365,7 @@ func labeledOutput(content ...labeledContent) string { // Implements asserts that an object is implemented by the specified interface. // -// assert.Implements(t, (*MyInterface)(nil), new(MyObject)) +// assert.Implements(t, (*MyInterface)(nil), new(MyObject)) func Implements(t TestingT, interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -328,7 +397,7 @@ func IsType(t TestingT, expectedType interface{}, object interface{}, msgAndArgs // Equal asserts that two objects are equal. // -// assert.Equal(t, 123, 123) +// assert.Equal(t, 123, 123) // // Pointer variable equality is determined based on the equality of the // referenced values (as opposed to the memory addresses). Function equality @@ -369,7 +438,7 @@ func validateEqualArgs(expected, actual interface{}) error { // Same asserts that two pointers reference the same object. // -// assert.Same(t, ptr1, ptr2) +// assert.Same(t, ptr1, ptr2) // // Both arguments must be pointer variables. Pointer variable sameness is // determined based on the equality of both type and value. @@ -389,7 +458,7 @@ func Same(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) b // NotSame asserts that two pointers do not reference the same object. // -// assert.NotSame(t, ptr1, ptr2) +// assert.NotSame(t, ptr1, ptr2) // // Both arguments must be pointer variables. Pointer variable sameness is // determined based on the equality of both type and value. @@ -457,7 +526,7 @@ func truncatingFormat(data interface{}) string { // EqualValues asserts that two objects are equal or convertable to the same types // and equal. // -// assert.EqualValues(t, uint32(123), int32(123)) +// assert.EqualValues(t, uint32(123), int32(123)) func EqualValues(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -475,9 +544,53 @@ func EqualValues(t TestingT, expected, actual interface{}, msgAndArgs ...interfa } +// EqualExportedValues asserts that the types of two objects are equal and their public +// fields are also equal. This is useful for comparing structs that have private fields +// that could potentially differ. +// +// type S struct { +// Exported int +// notExported int +// } +// assert.EqualExportedValues(t, S{1, 2}, S{1, 3}) => true +// assert.EqualExportedValues(t, S{1, 2}, S{2, 3}) => false +func EqualExportedValues(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + + aType := reflect.TypeOf(expected) + bType := reflect.TypeOf(actual) + + if aType != bType { + return Fail(t, fmt.Sprintf("Types expected to match exactly\n\t%v != %v", aType, bType), msgAndArgs...) + } + + if aType.Kind() != reflect.Struct { + return Fail(t, fmt.Sprintf("Types expected to both be struct \n\t%v != %v", aType.Kind(), reflect.Struct), msgAndArgs...) + } + + if bType.Kind() != reflect.Struct { + return Fail(t, fmt.Sprintf("Types expected to both be struct \n\t%v != %v", bType.Kind(), reflect.Struct), msgAndArgs...) + } + + expected = copyExportedFields(expected) + actual = copyExportedFields(actual) + + if !ObjectsAreEqualValues(expected, actual) { + diff := diff(expected, actual) + expected, actual = formatUnequalValues(expected, actual) + return Fail(t, fmt.Sprintf("Not equal (comparing only exported fields): \n"+ + "expected: %s\n"+ + "actual : %s%s", expected, actual, diff), msgAndArgs...) + } + + return true +} + // Exactly asserts that two objects are equal in value and type. // -// assert.Exactly(t, int32(123), int64(123)) +// assert.Exactly(t, int32(123), int64(123)) func Exactly(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -496,7 +609,7 @@ func Exactly(t TestingT, expected, actual interface{}, msgAndArgs ...interface{} // NotNil asserts that the specified object is not nil. // -// assert.NotNil(t, err) +// assert.NotNil(t, err) func NotNil(t TestingT, object interface{}, msgAndArgs ...interface{}) bool { if !isNil(object) { return true @@ -530,7 +643,7 @@ func isNil(object interface{}) bool { []reflect.Kind{ reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, - reflect.Ptr, reflect.Slice}, + reflect.Ptr, reflect.Slice, reflect.UnsafePointer}, kind) if isNilableKind && value.IsNil() { @@ -542,7 +655,7 @@ func isNil(object interface{}) bool { // Nil asserts that the specified object is nil. // -// assert.Nil(t, err) +// assert.Nil(t, err) func Nil(t TestingT, object interface{}, msgAndArgs ...interface{}) bool { if isNil(object) { return true @@ -585,7 +698,7 @@ func isEmpty(object interface{}) bool { // Empty asserts that the specified object is empty. I.e. nil, "", false, 0 or either // a slice or a channel with len == 0. // -// assert.Empty(t, obj) +// assert.Empty(t, obj) func Empty(t TestingT, object interface{}, msgAndArgs ...interface{}) bool { pass := isEmpty(object) if !pass { @@ -602,9 +715,9 @@ func Empty(t TestingT, object interface{}, msgAndArgs ...interface{}) bool { // NotEmpty asserts that the specified object is NOT empty. I.e. not nil, "", false, 0 or either // a slice or a channel with len == 0. // -// if assert.NotEmpty(t, obj) { -// assert.Equal(t, "two", obj[1]) -// } +// if assert.NotEmpty(t, obj) { +// assert.Equal(t, "two", obj[1]) +// } func NotEmpty(t TestingT, object interface{}, msgAndArgs ...interface{}) bool { pass := !isEmpty(object) if !pass { @@ -633,7 +746,7 @@ func getLen(x interface{}) (ok bool, length int) { // Len asserts that the specified object has specific length. // Len also fails if the object has a type that len() not accept. // -// assert.Len(t, mySlice, 3) +// assert.Len(t, mySlice, 3) func Len(t TestingT, object interface{}, length int, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -651,7 +764,7 @@ func Len(t TestingT, object interface{}, length int, msgAndArgs ...interface{}) // True asserts that the specified value is true. // -// assert.True(t, myBool) +// assert.True(t, myBool) func True(t TestingT, value bool, msgAndArgs ...interface{}) bool { if !value { if h, ok := t.(tHelper); ok { @@ -666,7 +779,7 @@ func True(t TestingT, value bool, msgAndArgs ...interface{}) bool { // False asserts that the specified value is false. // -// assert.False(t, myBool) +// assert.False(t, myBool) func False(t TestingT, value bool, msgAndArgs ...interface{}) bool { if value { if h, ok := t.(tHelper); ok { @@ -681,7 +794,7 @@ func False(t TestingT, value bool, msgAndArgs ...interface{}) bool { // NotEqual asserts that the specified values are NOT equal. // -// assert.NotEqual(t, obj1, obj2) +// assert.NotEqual(t, obj1, obj2) // // Pointer variable equality is determined based on the equality of the // referenced values (as opposed to the memory addresses). @@ -704,7 +817,7 @@ func NotEqual(t TestingT, expected, actual interface{}, msgAndArgs ...interface{ // NotEqualValues asserts that two objects are not equal even when converted to the same type // -// assert.NotEqualValues(t, obj1, obj2) +// assert.NotEqualValues(t, obj1, obj2) func NotEqualValues(t TestingT, expected, actual interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -763,9 +876,9 @@ func containsElement(list interface{}, element interface{}) (ok, found bool) { // Contains asserts that the specified string, list(array, slice...) or map contains the // specified substring or element. // -// assert.Contains(t, "Hello World", "World") -// assert.Contains(t, ["Hello", "World"], "World") -// assert.Contains(t, {"Hello": "World"}, "Hello") +// assert.Contains(t, "Hello World", "World") +// assert.Contains(t, ["Hello", "World"], "World") +// assert.Contains(t, {"Hello": "World"}, "Hello") func Contains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -786,9 +899,9 @@ func Contains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) bo // NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the // specified substring or element. // -// assert.NotContains(t, "Hello World", "Earth") -// assert.NotContains(t, ["Hello", "World"], "Earth") -// assert.NotContains(t, {"Hello": "World"}, "Earth") +// assert.NotContains(t, "Hello World", "Earth") +// assert.NotContains(t, ["Hello", "World"], "Earth") +// assert.NotContains(t, {"Hello": "World"}, "Earth") func NotContains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -796,10 +909,10 @@ func NotContains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) ok, found := containsElement(s, contains) if !ok { - return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", s), msgAndArgs...) + return Fail(t, fmt.Sprintf("%#v could not be applied builtin len()", s), msgAndArgs...) } if found { - return Fail(t, fmt.Sprintf("\"%s\" should not contain \"%s\"", s, contains), msgAndArgs...) + return Fail(t, fmt.Sprintf("%#v should not contain %#v", s, contains), msgAndArgs...) } return true @@ -809,7 +922,7 @@ func NotContains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) // Subset asserts that the specified list(array, slice...) contains all // elements given in the specified subset(array, slice...). // -// assert.Subset(t, [1, 2, 3], [1, 2], "But [1, 2, 3] does contain [1, 2]") +// assert.Subset(t, [1, 2, 3], [1, 2], "But [1, 2, 3] does contain [1, 2]") func Subset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok bool) { if h, ok := t.(tHelper); ok { h.Helper() @@ -818,49 +931,44 @@ func Subset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok return true // we consider nil to be equal to the nil set } - defer func() { - if e := recover(); e != nil { - ok = false - } - }() - listKind := reflect.TypeOf(list).Kind() - subsetKind := reflect.TypeOf(subset).Kind() - if listKind != reflect.Array && listKind != reflect.Slice && listKind != reflect.Map { return Fail(t, fmt.Sprintf("%q has an unsupported type %s", list, listKind), msgAndArgs...) } + subsetKind := reflect.TypeOf(subset).Kind() if subsetKind != reflect.Array && subsetKind != reflect.Slice && listKind != reflect.Map { return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...) } - subsetValue := reflect.ValueOf(subset) if subsetKind == reflect.Map && listKind == reflect.Map { - listValue := reflect.ValueOf(list) - subsetKeys := subsetValue.MapKeys() + subsetMap := reflect.ValueOf(subset) + actualMap := reflect.ValueOf(list) - for i := 0; i < len(subsetKeys); i++ { - subsetKey := subsetKeys[i] - subsetElement := subsetValue.MapIndex(subsetKey).Interface() - listElement := listValue.MapIndex(subsetKey).Interface() + for _, k := range subsetMap.MapKeys() { + ev := subsetMap.MapIndex(k) + av := actualMap.MapIndex(k) - if !ObjectsAreEqual(subsetElement, listElement) { - return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", list, subsetElement), msgAndArgs...) + if !av.IsValid() { + return Fail(t, fmt.Sprintf("%#v does not contain %#v", list, subset), msgAndArgs...) + } + if !ObjectsAreEqual(ev.Interface(), av.Interface()) { + return Fail(t, fmt.Sprintf("%#v does not contain %#v", list, subset), msgAndArgs...) } } return true } - for i := 0; i < subsetValue.Len(); i++ { - element := subsetValue.Index(i).Interface() + subsetList := reflect.ValueOf(subset) + for i := 0; i < subsetList.Len(); i++ { + element := subsetList.Index(i).Interface() ok, found := containsElement(list, element) if !ok { - return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", list), msgAndArgs...) + return Fail(t, fmt.Sprintf("%#v could not be applied builtin len()", list), msgAndArgs...) } if !found { - return Fail(t, fmt.Sprintf("\"%s\" does not contain \"%s\"", list, element), msgAndArgs...) + return Fail(t, fmt.Sprintf("%#v does not contain %#v", list, element), msgAndArgs...) } } @@ -870,7 +978,7 @@ func Subset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok // NotSubset asserts that the specified list(array, slice...) contains not all // elements given in the specified subset(array, slice...). // -// assert.NotSubset(t, [1, 3, 4], [1, 2], "But [1, 3, 4] does not contain [1, 2]") +// assert.NotSubset(t, [1, 3, 4], [1, 2], "But [1, 3, 4] does not contain [1, 2]") func NotSubset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) (ok bool) { if h, ok := t.(tHelper); ok { h.Helper() @@ -879,34 +987,28 @@ func NotSubset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) return Fail(t, "nil is the empty set which is a subset of every set", msgAndArgs...) } - defer func() { - if e := recover(); e != nil { - ok = false - } - }() - listKind := reflect.TypeOf(list).Kind() - subsetKind := reflect.TypeOf(subset).Kind() - if listKind != reflect.Array && listKind != reflect.Slice && listKind != reflect.Map { return Fail(t, fmt.Sprintf("%q has an unsupported type %s", list, listKind), msgAndArgs...) } + subsetKind := reflect.TypeOf(subset).Kind() if subsetKind != reflect.Array && subsetKind != reflect.Slice && listKind != reflect.Map { return Fail(t, fmt.Sprintf("%q has an unsupported type %s", subset, subsetKind), msgAndArgs...) } - subsetValue := reflect.ValueOf(subset) if subsetKind == reflect.Map && listKind == reflect.Map { - listValue := reflect.ValueOf(list) - subsetKeys := subsetValue.MapKeys() + subsetMap := reflect.ValueOf(subset) + actualMap := reflect.ValueOf(list) - for i := 0; i < len(subsetKeys); i++ { - subsetKey := subsetKeys[i] - subsetElement := subsetValue.MapIndex(subsetKey).Interface() - listElement := listValue.MapIndex(subsetKey).Interface() + for _, k := range subsetMap.MapKeys() { + ev := subsetMap.MapIndex(k) + av := actualMap.MapIndex(k) - if !ObjectsAreEqual(subsetElement, listElement) { + if !av.IsValid() { + return true + } + if !ObjectsAreEqual(ev.Interface(), av.Interface()) { return true } } @@ -914,8 +1016,9 @@ func NotSubset(t TestingT, list, subset interface{}, msgAndArgs ...interface{}) return Fail(t, fmt.Sprintf("%q is a subset of %q", subset, list), msgAndArgs...) } - for i := 0; i < subsetValue.Len(); i++ { - element := subsetValue.Index(i).Interface() + subsetList := reflect.ValueOf(subset) + for i := 0; i < subsetList.Len(); i++ { + element := subsetList.Index(i).Interface() ok, found := containsElement(list, element) if !ok { return Fail(t, fmt.Sprintf("\"%s\" could not be applied builtin len()", list), msgAndArgs...) @@ -1060,7 +1163,7 @@ func didPanic(f PanicTestFunc) (didPanic bool, message interface{}, stack string // Panics asserts that the code inside the specified PanicTestFunc panics. // -// assert.Panics(t, func(){ GoCrazy() }) +// assert.Panics(t, func(){ GoCrazy() }) func Panics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1076,7 +1179,7 @@ func Panics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool { // PanicsWithValue asserts that the code inside the specified PanicTestFunc panics, and that // the recovered panic value equals the expected panic value. // -// assert.PanicsWithValue(t, "crazy error", func(){ GoCrazy() }) +// assert.PanicsWithValue(t, "crazy error", func(){ GoCrazy() }) func PanicsWithValue(t TestingT, expected interface{}, f PanicTestFunc, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1097,7 +1200,7 @@ func PanicsWithValue(t TestingT, expected interface{}, f PanicTestFunc, msgAndAr // panics, and that the recovered panic value is an error that satisfies the // EqualError comparison. // -// assert.PanicsWithError(t, "crazy error", func(){ GoCrazy() }) +// assert.PanicsWithError(t, "crazy error", func(){ GoCrazy() }) func PanicsWithError(t TestingT, errString string, f PanicTestFunc, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1117,7 +1220,7 @@ func PanicsWithError(t TestingT, errString string, f PanicTestFunc, msgAndArgs . // NotPanics asserts that the code inside the specified PanicTestFunc does NOT panic. // -// assert.NotPanics(t, func(){ RemainCalm() }) +// assert.NotPanics(t, func(){ RemainCalm() }) func NotPanics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1132,7 +1235,7 @@ func NotPanics(t TestingT, f PanicTestFunc, msgAndArgs ...interface{}) bool { // WithinDuration asserts that the two times are within duration delta of each other. // -// assert.WithinDuration(t, time.Now(), time.Now(), 10*time.Second) +// assert.WithinDuration(t, time.Now(), time.Now(), 10*time.Second) func WithinDuration(t TestingT, expected, actual time.Time, delta time.Duration, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1148,7 +1251,7 @@ func WithinDuration(t TestingT, expected, actual time.Time, delta time.Duration, // WithinRange asserts that a time is within a time range (inclusive). // -// assert.WithinRange(t, time.Now(), time.Now().Add(-time.Second), time.Now().Add(time.Second)) +// assert.WithinRange(t, time.Now(), time.Now().Add(-time.Second), time.Now().Add(time.Second)) func WithinRange(t TestingT, actual, start, end time.Time, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1207,7 +1310,7 @@ func toFloat(x interface{}) (float64, bool) { // InDelta asserts that the two numerals are within delta of each other. // -// assert.InDelta(t, math.Pi, 22/7.0, 0.01) +// assert.InDelta(t, math.Pi, 22/7.0, 0.01) func InDelta(t TestingT, expected, actual interface{}, delta float64, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1380,10 +1483,10 @@ func InEpsilonSlice(t TestingT, expected, actual interface{}, epsilon float64, m // NoError asserts that a function returned no error (i.e. `nil`). // -// actualObj, err := SomeFunction() -// if assert.NoError(t, err) { -// assert.Equal(t, expectedObj, actualObj) -// } +// actualObj, err := SomeFunction() +// if assert.NoError(t, err) { +// assert.Equal(t, expectedObj, actualObj) +// } func NoError(t TestingT, err error, msgAndArgs ...interface{}) bool { if err != nil { if h, ok := t.(tHelper); ok { @@ -1397,10 +1500,10 @@ func NoError(t TestingT, err error, msgAndArgs ...interface{}) bool { // Error asserts that a function returned an error (i.e. not `nil`). // -// actualObj, err := SomeFunction() -// if assert.Error(t, err) { -// assert.Equal(t, expectedError, err) -// } +// actualObj, err := SomeFunction() +// if assert.Error(t, err) { +// assert.Equal(t, expectedError, err) +// } func Error(t TestingT, err error, msgAndArgs ...interface{}) bool { if err == nil { if h, ok := t.(tHelper); ok { @@ -1415,8 +1518,8 @@ func Error(t TestingT, err error, msgAndArgs ...interface{}) bool { // EqualError asserts that a function returned an error (i.e. not `nil`) // and that it is equal to the provided error. // -// actualObj, err := SomeFunction() -// assert.EqualError(t, err, expectedErrorString) +// actualObj, err := SomeFunction() +// assert.EqualError(t, err, expectedErrorString) func EqualError(t TestingT, theError error, errString string, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1438,8 +1541,8 @@ func EqualError(t TestingT, theError error, errString string, msgAndArgs ...inte // ErrorContains asserts that a function returned an error (i.e. not `nil`) // and that the error contains the specified substring. // -// actualObj, err := SomeFunction() -// assert.ErrorContains(t, err, expectedErrorSubString) +// actualObj, err := SomeFunction() +// assert.ErrorContains(t, err, expectedErrorSubString) func ErrorContains(t TestingT, theError error, contains string, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1472,8 +1575,8 @@ func matchRegexp(rx interface{}, str interface{}) bool { // Regexp asserts that a specified regexp matches a string. // -// assert.Regexp(t, regexp.MustCompile("start"), "it's starting") -// assert.Regexp(t, "start...$", "it's not starting") +// assert.Regexp(t, regexp.MustCompile("start"), "it's starting") +// assert.Regexp(t, "start...$", "it's not starting") func Regexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1490,8 +1593,8 @@ func Regexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface // NotRegexp asserts that a specified regexp does not match a string. // -// assert.NotRegexp(t, regexp.MustCompile("starts"), "it's starting") -// assert.NotRegexp(t, "^start", "it's not starting") +// assert.NotRegexp(t, regexp.MustCompile("starts"), "it's starting") +// assert.NotRegexp(t, "^start", "it's not starting") func NotRegexp(t TestingT, rx interface{}, str interface{}, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1603,7 +1706,7 @@ func NoDirExists(t TestingT, path string, msgAndArgs ...interface{}) bool { // JSONEq asserts that two JSON strings are equivalent. // -// assert.JSONEq(t, `{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`) +// assert.JSONEq(t, `{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`) func JSONEq(t TestingT, expected string, actual string, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1726,7 +1829,7 @@ type tHelper interface { // Eventually asserts that given condition will be met in waitFor time, // periodically checking target function each tick. // -// assert.Eventually(t, func() bool { return true; }, time.Second, 10*time.Millisecond) +// assert.Eventually(t, func() bool { return true; }, time.Second, 10*time.Millisecond) func Eventually(t TestingT, condition func() bool, waitFor time.Duration, tick time.Duration, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() @@ -1756,10 +1859,93 @@ func Eventually(t TestingT, condition func() bool, waitFor time.Duration, tick t } } +// CollectT implements the TestingT interface and collects all errors. +type CollectT struct { + errors []error +} + +// Errorf collects the error. +func (c *CollectT) Errorf(format string, args ...interface{}) { + c.errors = append(c.errors, fmt.Errorf(format, args...)) +} + +// FailNow panics. +func (c *CollectT) FailNow() { + panic("Assertion failed") +} + +// Reset clears the collected errors. +func (c *CollectT) Reset() { + c.errors = nil +} + +// Copy copies the collected errors to the supplied t. +func (c *CollectT) Copy(t TestingT) { + if tt, ok := t.(tHelper); ok { + tt.Helper() + } + for _, err := range c.errors { + t.Errorf("%v", err) + } +} + +// EventuallyWithT asserts that given condition will be met in waitFor time, +// periodically checking target function each tick. In contrast to Eventually, +// it supplies a CollectT to the condition function, so that the condition +// function can use the CollectT to call other assertions. +// The condition is considered "met" if no errors are raised in a tick. +// The supplied CollectT collects all errors from one tick (if there are any). +// If the condition is not met before waitFor, the collected errors of +// the last tick are copied to t. +// +// externalValue := false +// go func() { +// time.Sleep(8*time.Second) +// externalValue = true +// }() +// assert.EventuallyWithT(t, func(c *assert.CollectT) { +// // add assertions as needed; any assertion failure will fail the current tick +// assert.True(c, externalValue, "expected 'externalValue' to be true") +// }, 1*time.Second, 10*time.Second, "external state has not changed to 'true'; still false") +func EventuallyWithT(t TestingT, condition func(collect *CollectT), waitFor time.Duration, tick time.Duration, msgAndArgs ...interface{}) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + + collect := new(CollectT) + ch := make(chan bool, 1) + + timer := time.NewTimer(waitFor) + defer timer.Stop() + + ticker := time.NewTicker(tick) + defer ticker.Stop() + + for tick := ticker.C; ; { + select { + case <-timer.C: + collect.Copy(t) + return Fail(t, "Condition never satisfied", msgAndArgs...) + case <-tick: + tick = nil + collect.Reset() + go func() { + condition(collect) + ch <- len(collect.errors) == 0 + }() + case v := <-ch: + if v { + return true + } + tick = ticker.C + } + } +} + // Never asserts that the given condition doesn't satisfy in waitFor time, // periodically checking the target function each tick. // -// assert.Never(t, func() bool { return false; }, time.Second, 10*time.Millisecond) +// assert.Never(t, func() bool { return false; }, time.Second, 10*time.Millisecond) func Never(t TestingT, condition func() bool, waitFor time.Duration, tick time.Duration, msgAndArgs ...interface{}) bool { if h, ok := t.(tHelper); ok { h.Helper() |