113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
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// ©2015 The Go Authors
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// Copyright ©2015 Steve Francia <spf@spf13.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package afero
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import "testing"
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func checkSizePath(t *testing.T, path string, size int64) {
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dir, err := testFS.Stat(path)
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if err != nil {
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t.Fatalf("Stat %q (looking for size %d): %s", path, size, err)
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}
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if dir.Size() != size {
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t.Errorf("Stat %q: size %d want %d", path, dir.Size(), size)
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}
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}
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func TestReadFile(t *testing.T) {
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testFS = &MemMapFs{}
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fsutil := &Afero{Fs: testFS}
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testFS.Create("this_exists.go")
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filename := "rumpelstilzchen"
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contents, err := fsutil.ReadFile(filename)
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if err == nil {
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t.Fatalf("ReadFile %s: error expected, none found", filename)
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}
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filename = "this_exists.go"
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contents, err = fsutil.ReadFile(filename)
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if err != nil {
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t.Fatalf("ReadFile %s: %v", filename, err)
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}
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checkSizePath(t, filename, int64(len(contents)))
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}
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func TestWriteFile(t *testing.T) {
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testFS = &MemMapFs{}
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fsutil := &Afero{Fs: testFS}
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f, err := fsutil.TempFile("", "ioutil-test")
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if err != nil {
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t.Fatal(err)
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}
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filename := f.Name()
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data := "Programming today is a race between software engineers striving to " +
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"build bigger and better idiot-proof programs, and the Universe trying " +
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"to produce bigger and better idiots. So far, the Universe is winning."
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if err := fsutil.WriteFile(filename, []byte(data), 0644); err != nil {
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t.Fatalf("WriteFile %s: %v", filename, err)
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}
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contents, err := fsutil.ReadFile(filename)
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if err != nil {
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t.Fatalf("ReadFile %s: %v", filename, err)
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}
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if string(contents) != data {
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t.Fatalf("contents = %q\nexpected = %q", string(contents), data)
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}
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// cleanup
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f.Close()
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testFS.Remove(filename) // ignore error
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}
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func TestReadDir(t *testing.T) {
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testFS = &MemMapFs{}
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testFS.Mkdir("/i-am-a-dir", 0777)
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testFS.Create("/this_exists.go")
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dirname := "rumpelstilzchen"
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_, err := ReadDir(testFS, dirname)
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if err == nil {
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t.Fatalf("ReadDir %s: error expected, none found", dirname)
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}
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dirname = ".."
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list, err := ReadDir(testFS, dirname)
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if err != nil {
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t.Fatalf("ReadDir %s: %v", dirname, err)
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}
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foundFile := false
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foundSubDir := false
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for _, dir := range list {
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switch {
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case !dir.IsDir() && dir.Name() == "this_exists.go":
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foundFile = true
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case dir.IsDir() && dir.Name() == "i-am-a-dir":
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foundSubDir = true
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}
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}
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if !foundFile {
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t.Fatalf("ReadDir %s: this_exists.go file not found", dirname)
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}
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if !foundSubDir {
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t.Fatalf("ReadDir %s: i-am-a-dir directory not found", dirname)
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}
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}
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