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// Copied from https://github.com/stretchr/testify/blob/1333b5d3bda8cf5aedcf3e1aaa95cac28aaab892/assert/assertion_compare_test.go
// Copyright 2020 Mat Ryer, Tyler Bunnell and all contributors. All rights reserved.
// Use of this source code is governed by an MIT-style license that can be found in
// the THIRD-PARTY-NOTICES file.
package assert
import (
"bytes"
"fmt"
"reflect"
"runtime"
"testing"
)
func TestCompare(t *testing.T) {
type customInt int
type customInt8 int8
type customInt16 int16
type customInt32 int32
type customInt64 int64
type customUInt uint
type customUInt8 uint8
type customUInt16 uint16
type customUInt32 uint32
type customUInt64 uint64
type customFloat32 float32
type customFloat64 float64
type customString string
for _, currCase := range []struct {
less interface{}
greater interface{}
cType string
}{
{less: customString("a"), greater: customString("b"), cType: "string"},
{less: "a", greater: "b", cType: "string"},
{less: customInt(1), greater: customInt(2), cType: "int"},
{less: int(1), greater: int(2), cType: "int"},
{less: customInt8(1), greater: customInt8(2), cType: "int8"},
{less: int8(1), greater: int8(2), cType: "int8"},
{less: customInt16(1), greater: customInt16(2), cType: "int16"},
{less: int16(1), greater: int16(2), cType: "int16"},
{less: customInt32(1), greater: customInt32(2), cType: "int32"},
{less: int32(1), greater: int32(2), cType: "int32"},
{less: customInt64(1), greater: customInt64(2), cType: "int64"},
{less: int64(1), greater: int64(2), cType: "int64"},
{less: customUInt(1), greater: customUInt(2), cType: "uint"},
{less: uint8(1), greater: uint8(2), cType: "uint8"},
{less: customUInt8(1), greater: customUInt8(2), cType: "uint8"},
{less: uint16(1), greater: uint16(2), cType: "uint16"},
{less: customUInt16(1), greater: customUInt16(2), cType: "uint16"},
{less: uint32(1), greater: uint32(2), cType: "uint32"},
{less: customUInt32(1), greater: customUInt32(2), cType: "uint32"},
{less: uint64(1), greater: uint64(2), cType: "uint64"},
{less: customUInt64(1), greater: customUInt64(2), cType: "uint64"},
{less: float32(1.23), greater: float32(2.34), cType: "float32"},
{less: customFloat32(1.23), greater: customFloat32(2.23), cType: "float32"},
{less: float64(1.23), greater: float64(2.34), cType: "float64"},
{less: customFloat64(1.23), greater: customFloat64(2.34), cType: "float64"},
} {
resLess, isComparable := compare(currCase.less, currCase.greater, reflect.ValueOf(currCase.less).Kind())
if !isComparable {
t.Error("object should be comparable for type " + currCase.cType)
}
if resLess != compareLess {
t.Errorf("object less (%v) should be less than greater (%v) for type "+currCase.cType,
currCase.less, currCase.greater)
}
resGreater, isComparable := compare(currCase.greater, currCase.less, reflect.ValueOf(currCase.less).Kind())
if !isComparable {
t.Error("object are comparable for type " + currCase.cType)
}
if resGreater != compareGreater {
t.Errorf("object greater should be greater than less for type " + currCase.cType)
}
resEqual, isComparable := compare(currCase.less, currCase.less, reflect.ValueOf(currCase.less).Kind())
if !isComparable {
t.Error("object are comparable for type " + currCase.cType)
}
if resEqual != 0 {
t.Errorf("objects should be equal for type " + currCase.cType)
}
}
}
type outputT struct {
buf *bytes.Buffer
helpers map[string]struct{}
}
// Implements TestingT
func (t *outputT) Errorf(format string, args ...interface{}) {
s := fmt.Sprintf(format, args...)
t.buf.WriteString(s)
}
func (t *outputT) Helper() {
if t.helpers == nil {
t.helpers = make(map[string]struct{})
}
t.helpers[callerName(1)] = struct{}{}
}
// callerName gives the function name (qualified with a package path)
// for the caller after skip frames (where 0 means the current function).
func callerName(skip int) string {
// Make room for the skip PC.
var pc [1]uintptr
n := runtime.Callers(skip+2, pc[:]) // skip + runtime.Callers + callerName
if n == 0 {
panic("testing: zero callers found")
}
frames := runtime.CallersFrames(pc[:n])
frame, _ := frames.Next()
return frame.Function
}
func TestGreater(t *testing.T) {
mockT := new(testing.T)
if !Greater(mockT, 2, 1) {
t.Error("Greater should return true")
}
if Greater(mockT, 1, 1) {
t.Error("Greater should return false")
}
if Greater(mockT, 1, 2) {
t.Error("Greater should return false")
}
// Check error report
for _, currCase := range []struct {
less interface{}
greater interface{}
msg string
}{
{less: "a", greater: "b", msg: `"a" is not greater than "b"`},
{less: int(1), greater: int(2), msg: `"1" is not greater than "2"`},
{less: int8(1), greater: int8(2), msg: `"1" is not greater than "2"`},
{less: int16(1), greater: int16(2), msg: `"1" is not greater than "2"`},
{less: int32(1), greater: int32(2), msg: `"1" is not greater than "2"`},
{less: int64(1), greater: int64(2), msg: `"1" is not greater than "2"`},
{less: uint8(1), greater: uint8(2), msg: `"1" is not greater than "2"`},
{less: uint16(1), greater: uint16(2), msg: `"1" is not greater than "2"`},
{less: uint32(1), greater: uint32(2), msg: `"1" is not greater than "2"`},
{less: uint64(1), greater: uint64(2), msg: `"1" is not greater than "2"`},
{less: float32(1.23), greater: float32(2.34), msg: `"1.23" is not greater than "2.34"`},
{less: float64(1.23), greater: float64(2.34), msg: `"1.23" is not greater than "2.34"`},
} {
out := &outputT{buf: bytes.NewBuffer(nil)}
False(t, Greater(out, currCase.less, currCase.greater))
Contains(t, out.buf.String(), currCase.msg)
Contains(t, out.helpers, "go.mongodb.org/mongo-driver/internal/assert.Greater")
}
}
func TestGreaterOrEqual(t *testing.T) {
mockT := new(testing.T)
if !GreaterOrEqual(mockT, 2, 1) {
t.Error("GreaterOrEqual should return true")
}
if !GreaterOrEqual(mockT, 1, 1) {
t.Error("GreaterOrEqual should return true")
}
if GreaterOrEqual(mockT, 1, 2) {
t.Error("GreaterOrEqual should return false")
}
// Check error report
for _, currCase := range []struct {
less interface{}
greater interface{}
msg string
}{
{less: "a", greater: "b", msg: `"a" is not greater than or equal to "b"`},
{less: int(1), greater: int(2), msg: `"1" is not greater than or equal to "2"`},
{less: int8(1), greater: int8(2), msg: `"1" is not greater than or equal to "2"`},
{less: int16(1), greater: int16(2), msg: `"1" is not greater than or equal to "2"`},
{less: int32(1), greater: int32(2), msg: `"1" is not greater than or equal to "2"`},
{less: int64(1), greater: int64(2), msg: `"1" is not greater than or equal to "2"`},
{less: uint8(1), greater: uint8(2), msg: `"1" is not greater than or equal to "2"`},
{less: uint16(1), greater: uint16(2), msg: `"1" is not greater than or equal to "2"`},
{less: uint32(1), greater: uint32(2), msg: `"1" is not greater than or equal to "2"`},
{less: uint64(1), greater: uint64(2), msg: `"1" is not greater than or equal to "2"`},
{less: float32(1.23), greater: float32(2.34), msg: `"1.23" is not greater than or equal to "2.34"`},
{less: float64(1.23), greater: float64(2.34), msg: `"1.23" is not greater than or equal to "2.34"`},
} {
out := &outputT{buf: bytes.NewBuffer(nil)}
False(t, GreaterOrEqual(out, currCase.less, currCase.greater))
Contains(t, out.buf.String(), currCase.msg)
Contains(t, out.helpers, "go.mongodb.org/mongo-driver/internal/assert.GreaterOrEqual")
}
}
func TestLess(t *testing.T) {
mockT := new(testing.T)
if !Less(mockT, 1, 2) {
t.Error("Less should return true")
}
if Less(mockT, 1, 1) {
t.Error("Less should return false")
}
if Less(mockT, 2, 1) {
t.Error("Less should return false")
}
// Check error report
for _, currCase := range []struct {
less interface{}
greater interface{}
msg string
}{
{less: "a", greater: "b", msg: `"b" is not less than "a"`},
{less: int(1), greater: int(2), msg: `"2" is not less than "1"`},
{less: int8(1), greater: int8(2), msg: `"2" is not less than "1"`},
{less: int16(1), greater: int16(2), msg: `"2" is not less than "1"`},
{less: int32(1), greater: int32(2), msg: `"2" is not less than "1"`},
{less: int64(1), greater: int64(2), msg: `"2" is not less than "1"`},
{less: uint8(1), greater: uint8(2), msg: `"2" is not less than "1"`},
{less: uint16(1), greater: uint16(2), msg: `"2" is not less than "1"`},
{less: uint32(1), greater: uint32(2), msg: `"2" is not less than "1"`},
{less: uint64(1), greater: uint64(2), msg: `"2" is not less than "1"`},
{less: float32(1.23), greater: float32(2.34), msg: `"2.34" is not less than "1.23"`},
{less: float64(1.23), greater: float64(2.34), msg: `"2.34" is not less than "1.23"`},
} {
out := &outputT{buf: bytes.NewBuffer(nil)}
False(t, Less(out, currCase.greater, currCase.less))
Contains(t, out.buf.String(), currCase.msg)
Contains(t, out.helpers, "go.mongodb.org/mongo-driver/internal/assert.Less")
}
}
func TestLessOrEqual(t *testing.T) {
mockT := new(testing.T)
if !LessOrEqual(mockT, 1, 2) {
t.Error("LessOrEqual should return true")
}
if !LessOrEqual(mockT, 1, 1) {
t.Error("LessOrEqual should return true")
}
if LessOrEqual(mockT, 2, 1) {
t.Error("LessOrEqual should return false")
}
// Check error report
for _, currCase := range []struct {
less interface{}
greater interface{}
msg string
}{
{less: "a", greater: "b", msg: `"b" is not less than or equal to "a"`},
{less: int(1), greater: int(2), msg: `"2" is not less than or equal to "1"`},
{less: int8(1), greater: int8(2), msg: `"2" is not less than or equal to "1"`},
{less: int16(1), greater: int16(2), msg: `"2" is not less than or equal to "1"`},
{less: int32(1), greater: int32(2), msg: `"2" is not less than or equal to "1"`},
{less: int64(1), greater: int64(2), msg: `"2" is not less than or equal to "1"`},
{less: uint8(1), greater: uint8(2), msg: `"2" is not less than or equal to "1"`},
{less: uint16(1), greater: uint16(2), msg: `"2" is not less than or equal to "1"`},
{less: uint32(1), greater: uint32(2), msg: `"2" is not less than or equal to "1"`},
{less: uint64(1), greater: uint64(2), msg: `"2" is not less than or equal to "1"`},
{less: float32(1.23), greater: float32(2.34), msg: `"2.34" is not less than or equal to "1.23"`},
{less: float64(1.23), greater: float64(2.34), msg: `"2.34" is not less than or equal to "1.23"`},
} {
out := &outputT{buf: bytes.NewBuffer(nil)}
False(t, LessOrEqual(out, currCase.greater, currCase.less))
Contains(t, out.buf.String(), currCase.msg)
Contains(t, out.helpers, "go.mongodb.org/mongo-driver/internal/assert.LessOrEqual")
}
}
func TestPositive(t *testing.T) {
mockT := new(testing.T)
if !Positive(mockT, 1) {
t.Error("Positive should return true")
}
if !Positive(mockT, 1.23) {
t.Error("Positive should return true")
}
if Positive(mockT, -1) {
t.Error("Positive should return false")
}
if Positive(mockT, -1.23) {
t.Error("Positive should return false")
}
// Check error report
for _, currCase := range []struct {
e interface{}
msg string
}{
{e: int(-1), msg: `"-1" is not positive`},
{e: int8(-1), msg: `"-1" is not positive`},
{e: int16(-1), msg: `"-1" is not positive`},
{e: int32(-1), msg: `"-1" is not positive`},
{e: int64(-1), msg: `"-1" is not positive`},
{e: float32(-1.23), msg: `"-1.23" is not positive`},
{e: float64(-1.23), msg: `"-1.23" is not positive`},
} {
out := &outputT{buf: bytes.NewBuffer(nil)}
False(t, Positive(out, currCase.e))
Contains(t, out.buf.String(), currCase.msg)
Contains(t, out.helpers, "go.mongodb.org/mongo-driver/internal/assert.Positive")
}
}
func TestNegative(t *testing.T) {
mockT := new(testing.T)
if !Negative(mockT, -1) {
t.Error("Negative should return true")
}
if !Negative(mockT, -1.23) {
t.Error("Negative should return true")
}
if Negative(mockT, 1) {
t.Error("Negative should return false")
}
if Negative(mockT, 1.23) {
t.Error("Negative should return false")
}
// Check error report
for _, currCase := range []struct {
e interface{}
msg string
}{
{e: int(1), msg: `"1" is not negative`},
{e: int8(1), msg: `"1" is not negative`},
{e: int16(1), msg: `"1" is not negative`},
{e: int32(1), msg: `"1" is not negative`},
{e: int64(1), msg: `"1" is not negative`},
{e: float32(1.23), msg: `"1.23" is not negative`},
{e: float64(1.23), msg: `"1.23" is not negative`},
} {
out := &outputT{buf: bytes.NewBuffer(nil)}
False(t, Negative(out, currCase.e))
Contains(t, out.buf.String(), currCase.msg)
Contains(t, out.helpers, "go.mongodb.org/mongo-driver/internal/assert.Negative")
}
}
func Test_compareTwoValuesDifferentValuesTypes(t *testing.T) {
mockT := new(testing.T)
for _, currCase := range []struct {
v1 interface{}
v2 interface{}
compareResult bool
}{
{v1: 123, v2: "abc"},
{v1: "abc", v2: 123456},
{v1: float64(12), v2: "123"},
{v1: "float(12)", v2: float64(1)},
} {
compareResult := compareTwoValues(mockT, currCase.v1, currCase.v2, []CompareType{compareLess, compareEqual, compareGreater}, "testFailMessage")
False(t, compareResult)
}
}
func Test_compareTwoValuesNotComparableValues(t *testing.T) {
mockT := new(testing.T)
type CompareStruct struct {
}
for _, currCase := range []struct {
v1 interface{}
v2 interface{}
}{
{v1: CompareStruct{}, v2: CompareStruct{}},
{v1: map[string]int{}, v2: map[string]int{}},
{v1: make([]int, 5), v2: make([]int, 5)},
} {
compareResult := compareTwoValues(mockT, currCase.v1, currCase.v2, []CompareType{compareLess, compareEqual, compareGreater}, "testFailMessage")
False(t, compareResult)
}
}
func Test_compareTwoValuesCorrectCompareResult(t *testing.T) {
mockT := new(testing.T)
for _, currCase := range []struct {
v1 interface{}
v2 interface{}
compareTypes []CompareType
}{
{v1: 1, v2: 2, compareTypes: []CompareType{compareLess}},
{v1: 1, v2: 2, compareTypes: []CompareType{compareLess, compareEqual}},
{v1: 2, v2: 2, compareTypes: []CompareType{compareGreater, compareEqual}},
{v1: 2, v2: 2, compareTypes: []CompareType{compareEqual}},
{v1: 2, v2: 1, compareTypes: []CompareType{compareEqual, compareGreater}},
{v1: 2, v2: 1, compareTypes: []CompareType{compareGreater}},
} {
compareResult := compareTwoValues(mockT, currCase.v1, currCase.v2, currCase.compareTypes, "testFailMessage")
True(t, compareResult)
}
}
func Test_containsValue(t *testing.T) {
for _, currCase := range []struct {
values []CompareType
value CompareType
result bool
}{
{values: []CompareType{compareGreater}, value: compareGreater, result: true},
{values: []CompareType{compareGreater, compareLess}, value: compareGreater, result: true},
{values: []CompareType{compareGreater, compareLess}, value: compareLess, result: true},
{values: []CompareType{compareGreater, compareLess}, value: compareEqual, result: false},
} {
compareResult := containsValue(currCase.values, currCase.value)
Equal(t, currCase.result, compareResult)
}
}
func TestComparingMsgAndArgsForwarding(t *testing.T) {
msgAndArgs := []interface{}{"format %s %x", "this", 0xc001}
expectedOutput := "format this c001\n"
funcs := []func(t TestingT){
func(t TestingT) { Greater(t, 1, 2, msgAndArgs...) },
func(t TestingT) { GreaterOrEqual(t, 1, 2, msgAndArgs...) },
func(t TestingT) { Less(t, 2, 1, msgAndArgs...) },
func(t TestingT) { LessOrEqual(t, 2, 1, msgAndArgs...) },
func(t TestingT) { Positive(t, 0, msgAndArgs...) },
func(t TestingT) { Negative(t, 0, msgAndArgs...) },
}
for _, f := range funcs {
out := &outputT{buf: bytes.NewBuffer(nil)}
f(out)
Contains(t, out.buf.String(), expectedOutput)
}
}
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