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Copy patherrors_test.go
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120 lines (112 loc) · 2.95 KB
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/*
* Minio Cloud Storage, (C) 2017 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package errors
import (
"fmt"
"go/build"
"path/filepath"
"reflect"
"strings"
"testing"
)
// Test trace errors.
func TestTrace(t *testing.T) {
var errExpectedCause = fmt.Errorf("traceable error")
var testCases = []struct {
expectedCauseErr error
}{
{
expectedCauseErr: nil,
},
{
expectedCauseErr: errExpectedCause,
},
{
expectedCauseErr: Trace(errExpectedCause),
},
}
for i, testCase := range testCases {
if err := Trace(testCase.expectedCauseErr); err != nil {
if errGotCause := Cause(err); errGotCause != Cause(testCase.expectedCauseErr) {
t.Errorf("Test: %d Expected %s, got %s", i+1, testCase.expectedCauseErr, errGotCause)
}
}
}
}
// Test if isErrIgnored works correctly.
func TestIsErrIgnored(t *testing.T) {
var errIgnored = fmt.Errorf("ignored error")
var testCases = []struct {
err error
ignored bool
}{
{
err: nil,
ignored: false,
},
{
err: errIgnored,
ignored: true,
},
{
err: Trace(errIgnored),
ignored: true,
},
}
for i, testCase := range testCases {
if ok := IsErrIgnored(testCase.err, errIgnored); ok != testCase.ignored {
t.Errorf("Test: %d, Expected %t, got %t", i+1, testCase.ignored, ok)
}
}
}
// Tests if pkgPath is set properly in init.
func TestInit(t *testing.T) {
Init("/home/test/go", "test")
if filepath.ToSlash(pkgPath) != "/home/test/go/src/test/" {
t.Fatalf("Expected pkgPath to be \"/home/test/go/src/test/\", found %s", pkgPath)
}
}
// Tests stack output.
func TestStack(t *testing.T) {
Init(build.Default.GOPATH, "github.com/minio/minio")
err := Trace(fmt.Errorf("traceable error"))
if terr, ok := err.(*Error); ok {
if !strings.HasSuffix(terr.Stack()[0], "TestStack()") {
t.Errorf("Expected suffix \"TestStack()\", got %s", terr.Stack()[0])
}
}
// Test if the cause error is returned properly with the underlying string.
if err.Error() != "traceable error" {
t.Errorf("Expected \"traceable error\", got %s", err.Error())
}
}
// Tests converting error causes.
func TestErrCauses(t *testing.T) {
errTraceableError := fmt.Errorf("traceable error")
var errs = []error{
errTraceableError,
errTraceableError,
errTraceableError,
}
var terrs []error
for _, err := range errs {
terrs = append(terrs, Trace(err))
}
cerrs := Causes(terrs)
if !reflect.DeepEqual(errs, cerrs) {
t.Errorf("Expected %#v, got %#v", errs, cerrs)
}
}