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/*
Copyright 2017 The Kubernetes Authors.
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 path
import (
"os"
"path/filepath"
"reflect"
"sort"
"testing"
)
func TestFileUtils(t *testing.T) {
// Create tmp dir
tmpDir, err := os.MkdirTemp(os.TempDir(), "util_file_test_")
if err != nil {
t.Fatal("Failed to test: failed to create temp dir.")
}
// create tmp file
tmpFile, err := os.CreateTemp(tmpDir, "test_file_exists_")
if err != nil {
t.Fatal("Failed to test: failed to create temp file.")
}
// create tmp sym link
tmpSymlinkName := filepath.Join(tmpDir, "test_file_exists_sym_link")
err = os.Symlink(tmpFile.Name(), tmpSymlinkName)
if err != nil {
t.Fatal("Failed to test: failed to create sym link.")
}
// create tmp sub dir
tmpSubDir, err := os.MkdirTemp(tmpDir, "sub_")
if err != nil {
t.Fatal("Failed to test: failed to create temp sub dir.")
}
// record the current dir
currentDir, err := os.Getwd()
if err != nil {
t.Fatal("Failed to test: failed to get current dir.")
}
// change the work dir to temp dir
err = os.Chdir(tmpDir)
if err != nil {
t.Fatal("Failed to test: failed to change work dir.")
}
// recover test environment
defer func() {
os.Chdir(currentDir)
os.RemoveAll(tmpDir)
}()
t.Run("TestExists", func(t *testing.T) {
tests := []struct {
name string
fileName string
expectedError bool
expectedValue bool
}{
{"file_not_exists", filepath.Join(tmpDir, "file_not_exist_case"), false, false},
{"file_exists", tmpFile.Name(), false, true},
}
for _, test := range tests {
realValued, realError := Exists(CheckFollowSymlink, test.fileName)
if test.expectedError {
if realError == nil {
t.Fatalf("Expected error, got none, failed to test with '%s': %s", test.fileName, test.name)
}
} else if test.expectedValue != realValued {
t.Fatalf("Expected %#v==%#v, failed to test with '%s': %s", test.expectedValue, realValued, test.fileName, test.name)
}
}
})
t.Run("TestFileOrSymlinkExists", func(t *testing.T) {
tests := []struct {
name string
fileName string
expectedError bool
expectedValue bool
}{
{"file_not_exists", filepath.Join(tmpDir, "file_not_exist_case"), false, false},
{"file_exists", tmpFile.Name(), false, true},
{"symlink_exists", tmpSymlinkName, false, true},
}
for _, test := range tests {
realValued, realError := Exists(CheckSymlinkOnly, test.fileName)
if test.expectedError {
if realError == nil {
t.Fatalf("Expected error, got none, failed to test with '%s': %s", test.fileName, test.name)
}
} else if test.expectedValue != realValued {
t.Fatalf("Expected %#v==%#v, failed to test with '%s': %s", test.expectedValue, realValued, test.fileName, test.name)
}
}
})
t.Run("TestReadDirNoStat", func(t *testing.T) {
_, tmpFileSimpleName := filepath.Split(tmpFile.Name())
_, tmpSymlinkSimpleName := filepath.Split(tmpSymlinkName)
_, tmpSubDirSimpleName := filepath.Split(tmpSubDir)
tests := []struct {
name string
dirName string
expectedError bool
expectedValue []string
}{
{"dir_not_exists", filepath.Join(tmpDir, "file_not_exist_case"), true, []string{}},
{"dir_is_empty", "", false, []string{tmpFileSimpleName, tmpSymlinkSimpleName, tmpSubDirSimpleName}},
{"dir_exists", tmpDir, false, []string{tmpFileSimpleName, tmpSymlinkSimpleName, tmpSubDirSimpleName}},
}
for _, test := range tests {
realValued, realError := ReadDirNoStat(test.dirName)
// execute sort action before compare
sort.Strings(realValued)
sort.Strings(test.expectedValue)
if test.expectedError {
if realError == nil {
t.Fatalf("Expected error, got none, failed to test with '%s': %s", test.dirName, test.name)
}
} else if !reflect.DeepEqual(test.expectedValue, realValued) {
t.Fatalf("Expected %#v==%#v, failed to test with '%s': %s", test.expectedValue, realValued, test.dirName, test.name)
}
}
})
}
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