cloudinit/datasource/test/filesystem_test.go

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// Copyright 2015 CoreOS, 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 test
import (
"errors"
"os"
"reflect"
"testing"
)
func TestReadFile(t *testing.T) {
tests := []struct {
filesystem MockFilesystem
filename string
contents string
err error
}{
{
filename: "dne",
err: os.ErrNotExist,
},
{
filesystem: MockFilesystem{
"exists": File{Contents: "hi"},
},
filename: "exists",
contents: "hi",
},
{
filesystem: MockFilesystem{
"dir": File{Directory: true},
},
filename: "dir",
err: errors.New("read dir: is a directory"),
},
}
for i, tt := range tests {
contents, err := tt.filesystem.ReadFile(tt.filename)
if tt.contents != string(contents) {
t.Errorf("bad contents (test %d): want %q, got %q", i, tt.contents, string(contents))
}
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (test %d): want %v, got %v", i, tt.err, err)
}
}
}
func TestNewMockFilesystem(t *testing.T) {
tests := []struct {
files []File
filesystem MockFilesystem
}{
{
filesystem: MockFilesystem{},
},
{
files: []File{File{Path: "file"}},
filesystem: MockFilesystem{
"file": File{Path: "file"},
},
},
{
files: []File{File{Path: "/file"}},
filesystem: MockFilesystem{
"/file": File{Path: "/file"},
},
},
{
files: []File{File{Path: "/dir/file"}},
filesystem: MockFilesystem{
"/dir": File{Path: "/dir", Directory: true},
"/dir/file": File{Path: "/dir/file"},
},
},
{
files: []File{File{Path: "/dir/dir/file"}},
filesystem: MockFilesystem{
"/dir": File{Path: "/dir", Directory: true},
"/dir/dir": File{Path: "/dir/dir", Directory: true},
"/dir/dir/file": File{Path: "/dir/dir/file"},
},
},
{
files: []File{File{Path: "/dir/dir/dir", Directory: true}},
filesystem: MockFilesystem{
"/dir": File{Path: "/dir", Directory: true},
"/dir/dir": File{Path: "/dir/dir", Directory: true},
"/dir/dir/dir": File{Path: "/dir/dir/dir", Directory: true},
},
},
}
for i, tt := range tests {
filesystem := NewMockFilesystem(tt.files...)
if !reflect.DeepEqual(tt.filesystem, filesystem) {
t.Errorf("bad filesystem (test %d): want %#v, got %#v", i, tt.filesystem, filesystem)
}
}
}