chore: import upstream snapshot with attribution

internal/githubv4mock/objects_are_equal_values.go

@@ -0,0 +1,113 @@
+// The contents of this file are taken from https://github.com/stretchr/testify/blob/016e2e9c269209287f33ec203f340a9a723fe22c/assert/assertions.go#L166
+// because I do not want to take a dependency on the entire testify module just to use this equality check.
+//
+// There is a modification in objectsAreEqual to check that typed nils are equal, even if their types are different.
+//
+// The original license, copied from https://github.com/stretchr/testify/blob/016e2e9c269209287f33ec203f340a9a723fe22c/LICENSE
+//
+// MIT License
+//
+// Copyright (c) 2012-2020 Mat Ryer, Tyler Bunnell and contributors.
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+package githubv4mock
+
+import (
+	"bytes"
+	"reflect"
+)
+
+func objectsAreEqualValues(expected, actual any) bool {
+	if objectsAreEqual(expected, actual) {
+		return true
+	}
+
+	expectedValue := reflect.ValueOf(expected)
+	actualValue := reflect.ValueOf(actual)
+	if !expectedValue.IsValid() || !actualValue.IsValid() {
+		return false
+	}
+
+	expectedType := expectedValue.Type()
+	actualType := actualValue.Type()
+	if !expectedType.ConvertibleTo(actualType) {
+		return false
+	}
+
+	if !isNumericType(expectedType) || !isNumericType(actualType) {
+		// Attempt comparison after type conversion
+		return reflect.DeepEqual(
+			expectedValue.Convert(actualType).Interface(), actual,
+		)
+	}
+
+	// If BOTH values are numeric, there are chances of false positives due
+	// to overflow or underflow. So, we need to make sure to always convert
+	// the smaller type to a larger type before comparing.
+	if expectedType.Size() >= actualType.Size() {
+		return actualValue.Convert(expectedType).Interface() == expected
+	}
+
+	return expectedValue.Convert(actualType).Interface() == actual
+}
+
+// objectsAreEqual determines if two objects are considered equal.
+//
+// This function does no assertion of any kind.
+func objectsAreEqual(expected, actual any) bool {
+	// There is a modification in objectsAreEqual to check that typed nils are equal, even if their types are different.
+	// This is required because when a nil is provided as a variable, the type is not known.
+	if isNil(expected) && isNil(actual) {
+		return true
+	}
+
+	exp, ok := expected.([]byte)
+	if !ok {
+		return reflect.DeepEqual(expected, actual)
+	}
+
+	act, ok := actual.([]byte)
+	if !ok {
+		return false
+	}
+	if exp == nil || act == nil {
+		return exp == nil && act == nil
+	}
+	return bytes.Equal(exp, act)
+}
+
+// isNumericType returns true if the type is one of:
+// int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64,
+// float32, float64, complex64, complex128
+func isNumericType(t reflect.Type) bool {
+	return t.Kind() >= reflect.Int && t.Kind() <= reflect.Complex128
+}
+
+func isNil(i any) bool {
+	if i == nil {
+		return true
+	}
+	v := reflect.ValueOf(i)
+	switch v.Kind() {
+	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Pointer, reflect.Slice:
+		return v.IsNil()
+	default:
+		return false
+	}
+}