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// Copyright (c) 2018, Maxime Soulé
// All rights reserved.
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
package test
import (
"strings"
"testing"
"unicode"
"github.com/davecgh/go-spew/spew"
"github.com/maxatome/go-testdeep/helpers/tdutil"
)
// EqualErrorMessage prints a test error message of the form:
//
// Message
// Failed test
// got: got_value
// expected: expected_value
func EqualErrorMessage(t *testing.T, got, expected any,
args ...any) {
t.Helper()
testName := tdutil.BuildTestName(args...)
if testName != "" {
testName = " '" + testName + "'"
}
t.Errorf(`Failed test%s
got: %v
expected: %v`,
testName, got, expected)
}
func spewIfNeeded(s string) string {
for _, chr := range s {
if !unicode.IsPrint(chr) {
return strings.TrimRight(spew.Sdump(s), "\n")
}
}
return s
}
// EqualStr checks that got equals expected.
func EqualStr(t *testing.T, got, expected string, args ...any) bool {
if got == expected {
return true
}
t.Helper()
EqualErrorMessage(t, spewIfNeeded(got), spewIfNeeded(expected), args...)
return false
}
// EqualInt checks that got equals expected.
func EqualInt(t *testing.T, got, expected int, args ...any) bool {
if got == expected {
return true
}
t.Helper()
EqualErrorMessage(t, got, expected, args...)
return false
}
// EqualBool checks that got equals expected.
func EqualBool(t *testing.T, got, expected bool, args ...any) bool {
if got == expected {
return true
}
t.Helper()
EqualErrorMessage(t, got, expected, args...)
return false
}
// IsTrue checks that got is true.
func IsTrue(t *testing.T, got bool, args ...any) bool {
if got {
return true
}
t.Helper()
EqualErrorMessage(t, false, true, args...)
return false
}
// IsFalse checks that got is false.
func IsFalse(t *testing.T, got bool, args ...any) bool {
if !got {
return true
}
t.Helper()
EqualErrorMessage(t, true, false, args...)
return false
}
// CheckPanic checks that fn() panics and that the panic() arg is a
// string that contains contains.
func CheckPanic(t *testing.T, fn func(), contains string) bool {
t.Helper()
var (
panicked bool
panicParam any
)
func() {
defer func() { panicParam = recover() }()
panicked = true
fn()
panicked = false
}()
if !panicked {
t.Error("panic() did not occur")
return false
}
panicStr, ok := panicParam.(string)
if !ok {
t.Errorf("panic() occurred but recover()d %T type (%v) instead of string",
panicParam, panicParam)
return false
}
if !strings.Contains(panicStr, contains) {
t.Errorf("panic() string `%s'\ndoes not contain `%s'", panicStr, contains)
return false
}
return true
}
// NoError checks that err is nil.
func NoError(t *testing.T, err error, args ...any) bool {
if err == nil {
return true
}
t.Helper()
EqualErrorMessage(t, err, nil, args...)
return false
}
// Error checks that err is non-nil.
func Error(t *testing.T, err error, args ...any) bool {
if err != nil {
return true
}
t.Helper()
EqualErrorMessage(t, err, "<non-nil>", args...)
return false
}
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