Drop the util package.

pkg/fs/fakefs_test.go

@@ -0,0 +1,105 @@
+/*
+Copyright 2018 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 fs
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestStatNotExist(t *testing.T) {
+	x := MakeFakeFS()
+	info, err := x.Stat("foo")
+	if info != nil {
+		t.Fatalf("expected nil info")
+	}
+	if err == nil {
+		t.Fatalf("expected error")
+	}
+}
+
+func TestStat(t *testing.T) {
+	x := MakeFakeFS()
+	expectedName := "my-dir"
+	err := x.Mkdir(expectedName, 0666)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	info, err := x.Stat(expectedName)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	name := info.Name()
+	if name != expectedName {
+		t.Fatalf("expected %v but got %v", expectedName, name)
+	}
+	if !info.IsDir() {
+		t.Fatalf("expected IsDir() return true")
+	}
+}
+
+func TestCreate(t *testing.T) {
+	x := MakeFakeFS()
+	f, err := x.Create("foo")
+	if f == nil {
+		t.Fatalf("expected file")
+	}
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+	info, err := x.Stat("foo")
+	if info == nil {
+		t.Fatalf("expected non-nil info")
+	}
+	if err != nil {
+		t.Fatalf("expected no error")
+	}
+}
+
+func TestReadFile(t *testing.T) {
+	x := MakeFakeFS()
+	f, err := x.Create("foo")
+	if f == nil {
+		t.Fatalf("expected file")
+	}
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+	content, err := x.ReadFile("foo")
+	if len(content) != 0 {
+		t.Fatalf("expected no content")
+	}
+	if err != nil {
+		t.Fatalf("expected no error")
+	}
+}
+
+func TestWriteFile(t *testing.T) {
+	x := MakeFakeFS()
+	c := []byte("heybuddy")
+	err := x.WriteFile("foo", c)
+	if err != nil {
+		t.Fatalf("expected no error")
+	}
+	content, err := x.ReadFile("foo")
+	if err != nil {
+		t.Fatalf("expected read to work: %v", err)
+	}
+	if bytes.Compare(c, content) != 0 {
+		t.Fatalf("incorrect content: %v", content)
+	}
+}