gtsocial-umbx

assertion_compare.go (11632B)

---

 package assert
 
 import (
 	"bytes"
 	"fmt"
 	"reflect"
 	"time"
 )
 
 type CompareType int
 
 const (
 	compareLess CompareType = iota - 1
 	compareEqual
 	compareGreater
 )
 
 var (
 	intType   = reflect.TypeOf(int(1))
 	int8Type  = reflect.TypeOf(int8(1))
 	int16Type = reflect.TypeOf(int16(1))
 	int32Type = reflect.TypeOf(int32(1))
 	int64Type = reflect.TypeOf(int64(1))
 
 	uintType   = reflect.TypeOf(uint(1))
 	uint8Type  = reflect.TypeOf(uint8(1))
 	uint16Type = reflect.TypeOf(uint16(1))
 	uint32Type = reflect.TypeOf(uint32(1))
 	uint64Type = reflect.TypeOf(uint64(1))
 
 	float32Type = reflect.TypeOf(float32(1))
 	float64Type = reflect.TypeOf(float64(1))
 
 	stringType = reflect.TypeOf("")
 
 	timeType  = reflect.TypeOf(time.Time{})
 	bytesType = reflect.TypeOf([]byte{})
 )
 
 func compare(obj1, obj2 interface{}, kind reflect.Kind) (CompareType, bool) {
 	obj1Value := reflect.ValueOf(obj1)
 	obj2Value := reflect.ValueOf(obj2)
 
 	// throughout this switch we try and avoid calling .Convert() if possible,
 	// as this has a pretty big performance impact
 	switch kind {
 	case reflect.Int:
 		{
 			intobj1, ok := obj1.(int)
 			if !ok {
 				intobj1 = obj1Value.Convert(intType).Interface().(int)
 			}
 			intobj2, ok := obj2.(int)
 			if !ok {
 				intobj2 = obj2Value.Convert(intType).Interface().(int)
 			}
 			if intobj1 > intobj2 {
 				return compareGreater, true
 			}
 			if intobj1 == intobj2 {
 				return compareEqual, true
 			}
 			if intobj1 < intobj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Int8:
 		{
 			int8obj1, ok := obj1.(int8)
 			if !ok {
 				int8obj1 = obj1Value.Convert(int8Type).Interface().(int8)
 			}
 			int8obj2, ok := obj2.(int8)
 			if !ok {
 				int8obj2 = obj2Value.Convert(int8Type).Interface().(int8)
 			}
 			if int8obj1 > int8obj2 {
 				return compareGreater, true
 			}
 			if int8obj1 == int8obj2 {
 				return compareEqual, true
 			}
 			if int8obj1 < int8obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Int16:
 		{
 			int16obj1, ok := obj1.(int16)
 			if !ok {
 				int16obj1 = obj1Value.Convert(int16Type).Interface().(int16)
 			}
 			int16obj2, ok := obj2.(int16)
 			if !ok {
 				int16obj2 = obj2Value.Convert(int16Type).Interface().(int16)
 			}
 			if int16obj1 > int16obj2 {
 				return compareGreater, true
 			}
 			if int16obj1 == int16obj2 {
 				return compareEqual, true
 			}
 			if int16obj1 < int16obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Int32:
 		{
 			int32obj1, ok := obj1.(int32)
 			if !ok {
 				int32obj1 = obj1Value.Convert(int32Type).Interface().(int32)
 			}
 			int32obj2, ok := obj2.(int32)
 			if !ok {
 				int32obj2 = obj2Value.Convert(int32Type).Interface().(int32)
 			}
 			if int32obj1 > int32obj2 {
 				return compareGreater, true
 			}
 			if int32obj1 == int32obj2 {
 				return compareEqual, true
 			}
 			if int32obj1 < int32obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Int64:
 		{
 			int64obj1, ok := obj1.(int64)
 			if !ok {
 				int64obj1 = obj1Value.Convert(int64Type).Interface().(int64)
 			}
 			int64obj2, ok := obj2.(int64)
 			if !ok {
 				int64obj2 = obj2Value.Convert(int64Type).Interface().(int64)
 			}
 			if int64obj1 > int64obj2 {
 				return compareGreater, true
 			}
 			if int64obj1 == int64obj2 {
 				return compareEqual, true
 			}
 			if int64obj1 < int64obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Uint:
 		{
 			uintobj1, ok := obj1.(uint)
 			if !ok {
 				uintobj1 = obj1Value.Convert(uintType).Interface().(uint)
 			}
 			uintobj2, ok := obj2.(uint)
 			if !ok {
 				uintobj2 = obj2Value.Convert(uintType).Interface().(uint)
 			}
 			if uintobj1 > uintobj2 {
 				return compareGreater, true
 			}
 			if uintobj1 == uintobj2 {
 				return compareEqual, true
 			}
 			if uintobj1 < uintobj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Uint8:
 		{
 			uint8obj1, ok := obj1.(uint8)
 			if !ok {
 				uint8obj1 = obj1Value.Convert(uint8Type).Interface().(uint8)
 			}
 			uint8obj2, ok := obj2.(uint8)
 			if !ok {
 				uint8obj2 = obj2Value.Convert(uint8Type).Interface().(uint8)
 			}
 			if uint8obj1 > uint8obj2 {
 				return compareGreater, true
 			}
 			if uint8obj1 == uint8obj2 {
 				return compareEqual, true
 			}
 			if uint8obj1 < uint8obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Uint16:
 		{
 			uint16obj1, ok := obj1.(uint16)
 			if !ok {
 				uint16obj1 = obj1Value.Convert(uint16Type).Interface().(uint16)
 			}
 			uint16obj2, ok := obj2.(uint16)
 			if !ok {
 				uint16obj2 = obj2Value.Convert(uint16Type).Interface().(uint16)
 			}
 			if uint16obj1 > uint16obj2 {
 				return compareGreater, true
 			}
 			if uint16obj1 == uint16obj2 {
 				return compareEqual, true
 			}
 			if uint16obj1 < uint16obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Uint32:
 		{
 			uint32obj1, ok := obj1.(uint32)
 			if !ok {
 				uint32obj1 = obj1Value.Convert(uint32Type).Interface().(uint32)
 			}
 			uint32obj2, ok := obj2.(uint32)
 			if !ok {
 				uint32obj2 = obj2Value.Convert(uint32Type).Interface().(uint32)
 			}
 			if uint32obj1 > uint32obj2 {
 				return compareGreater, true
 			}
 			if uint32obj1 == uint32obj2 {
 				return compareEqual, true
 			}
 			if uint32obj1 < uint32obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Uint64:
 		{
 			uint64obj1, ok := obj1.(uint64)
 			if !ok {
 				uint64obj1 = obj1Value.Convert(uint64Type).Interface().(uint64)
 			}
 			uint64obj2, ok := obj2.(uint64)
 			if !ok {
 				uint64obj2 = obj2Value.Convert(uint64Type).Interface().(uint64)
 			}
 			if uint64obj1 > uint64obj2 {
 				return compareGreater, true
 			}
 			if uint64obj1 == uint64obj2 {
 				return compareEqual, true
 			}
 			if uint64obj1 < uint64obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Float32:
 		{
 			float32obj1, ok := obj1.(float32)
 			if !ok {
 				float32obj1 = obj1Value.Convert(float32Type).Interface().(float32)
 			}
 			float32obj2, ok := obj2.(float32)
 			if !ok {
 				float32obj2 = obj2Value.Convert(float32Type).Interface().(float32)
 			}
 			if float32obj1 > float32obj2 {
 				return compareGreater, true
 			}
 			if float32obj1 == float32obj2 {
 				return compareEqual, true
 			}
 			if float32obj1 < float32obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.Float64:
 		{
 			float64obj1, ok := obj1.(float64)
 			if !ok {
 				float64obj1 = obj1Value.Convert(float64Type).Interface().(float64)
 			}
 			float64obj2, ok := obj2.(float64)
 			if !ok {
 				float64obj2 = obj2Value.Convert(float64Type).Interface().(float64)
 			}
 			if float64obj1 > float64obj2 {
 				return compareGreater, true
 			}
 			if float64obj1 == float64obj2 {
 				return compareEqual, true
 			}
 			if float64obj1 < float64obj2 {
 				return compareLess, true
 			}
 		}
 	case reflect.String:
 		{
 			stringobj1, ok := obj1.(string)
 			if !ok {
 				stringobj1 = obj1Value.Convert(stringType).Interface().(string)
 			}
 			stringobj2, ok := obj2.(string)
 			if !ok {
 				stringobj2 = obj2Value.Convert(stringType).Interface().(string)
 			}
 			if stringobj1 > stringobj2 {
 				return compareGreater, true
 			}
 			if stringobj1 == stringobj2 {
 				return compareEqual, true
 			}
 			if stringobj1 < stringobj2 {
 				return compareLess, true
 			}
 		}
 	// Check for known struct types we can check for compare results.
 	case reflect.Struct:
 		{
 			// All structs enter here. We're not interested in most types.
 			if !canConvert(obj1Value, timeType) {
 				break
 			}
 
 			// time.Time can compared!
 			timeObj1, ok := obj1.(time.Time)
 			if !ok {
 				timeObj1 = obj1Value.Convert(timeType).Interface().(time.Time)
 			}
 
 			timeObj2, ok := obj2.(time.Time)
 			if !ok {
 				timeObj2 = obj2Value.Convert(timeType).Interface().(time.Time)
 			}
 
 			return compare(timeObj1.UnixNano(), timeObj2.UnixNano(), reflect.Int64)
 		}
 	case reflect.Slice:
 		{
 			// We only care about the []byte type.
 			if !canConvert(obj1Value, bytesType) {
 				break
 			}
 
 			// []byte can be compared!
 			bytesObj1, ok := obj1.([]byte)
 			if !ok {
 				bytesObj1 = obj1Value.Convert(bytesType).Interface().([]byte)
 
 			}
 			bytesObj2, ok := obj2.([]byte)
 			if !ok {
 				bytesObj2 = obj2Value.Convert(bytesType).Interface().([]byte)
 			}
 
 			return CompareType(bytes.Compare(bytesObj1, bytesObj2)), true
 		}
 	}
 
 	return compareEqual, false
 }
 
 // Greater asserts that the first element is greater than the second
 //
 //	assert.Greater(t, 2, 1)
 //	assert.Greater(t, float64(2), float64(1))
 //	assert.Greater(t, "b", "a")
 func Greater(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 	return compareTwoValues(t, e1, e2, []CompareType{compareGreater}, "\"%v\" is not greater than \"%v\"", msgAndArgs...)
 }
 
 // GreaterOrEqual asserts that the first element is greater than or equal to the second
 //
 //	assert.GreaterOrEqual(t, 2, 1)
 //	assert.GreaterOrEqual(t, 2, 2)
 //	assert.GreaterOrEqual(t, "b", "a")
 //	assert.GreaterOrEqual(t, "b", "b")
 func GreaterOrEqual(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 	return compareTwoValues(t, e1, e2, []CompareType{compareGreater, compareEqual}, "\"%v\" is not greater than or equal to \"%v\"", msgAndArgs...)
 }
 
 // Less asserts that the first element is less than the second
 //
 //	assert.Less(t, 1, 2)
 //	assert.Less(t, float64(1), float64(2))
 //	assert.Less(t, "a", "b")
 func Less(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 	return compareTwoValues(t, e1, e2, []CompareType{compareLess}, "\"%v\" is not less than \"%v\"", msgAndArgs...)
 }
 
 // LessOrEqual asserts that the first element is less than or equal to the second
 //
 //	assert.LessOrEqual(t, 1, 2)
 //	assert.LessOrEqual(t, 2, 2)
 //	assert.LessOrEqual(t, "a", "b")
 //	assert.LessOrEqual(t, "b", "b")
 func LessOrEqual(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 	return compareTwoValues(t, e1, e2, []CompareType{compareLess, compareEqual}, "\"%v\" is not less than or equal to \"%v\"", msgAndArgs...)
 }
 
 // Positive asserts that the specified element is positive
 //
 //	assert.Positive(t, 1)
 //	assert.Positive(t, 1.23)
 func Positive(t TestingT, e interface{}, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 	zero := reflect.Zero(reflect.TypeOf(e))
 	return compareTwoValues(t, e, zero.Interface(), []CompareType{compareGreater}, "\"%v\" is not positive", msgAndArgs...)
 }
 
 // Negative asserts that the specified element is negative
 //
 //	assert.Negative(t, -1)
 //	assert.Negative(t, -1.23)
 func Negative(t TestingT, e interface{}, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 	zero := reflect.Zero(reflect.TypeOf(e))
 	return compareTwoValues(t, e, zero.Interface(), []CompareType{compareLess}, "\"%v\" is not negative", msgAndArgs...)
 }
 
 func compareTwoValues(t TestingT, e1 interface{}, e2 interface{}, allowedComparesResults []CompareType, failMessage string, msgAndArgs ...interface{}) bool {
 	if h, ok := t.(tHelper); ok {
 		h.Helper()
 	}
 
 	e1Kind := reflect.ValueOf(e1).Kind()
 	e2Kind := reflect.ValueOf(e2).Kind()
 	if e1Kind != e2Kind {
 		return Fail(t, "Elements should be the same type", msgAndArgs...)
 	}
 
 	compareResult, isComparable := compare(e1, e2, e1Kind)
 	if !isComparable {
 		return Fail(t, fmt.Sprintf("Can not compare type \"%s\"", reflect.TypeOf(e1)), msgAndArgs...)
 	}
 
 	if !containsValue(allowedComparesResults, compareResult) {
 		return Fail(t, fmt.Sprintf(failMessage, e1, e2), msgAndArgs...)
 	}
 
 	return true
 }
 
 func containsValue(values []CompareType, value CompareType) bool {
 	for _, v := range values {
 		if v == value {
 			return true
 		}
 	}
 
 	return false
 }