platform_build_soong/ui/build/cleanbuild_test.go

101 lines
2.6 KiB
Go

// Copyright 2020 Google Inc. All rights reserved.
//
// 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 build
import (
"android/soong/ui/logger"
"bytes"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"sort"
"strings"
"testing"
)
func TestCleanOldFiles(t *testing.T) {
dir, err := ioutil.TempDir("", "testcleanoldfiles")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
ctx := testContext()
logBuf := &bytes.Buffer{}
ctx.Logger = logger.New(logBuf)
touch := func(names ...string) {
for _, name := range names {
if f, err := os.Create(filepath.Join(dir, name)); err != nil {
t.Fatal(err)
} else {
f.Close()
}
}
}
runCleanOldFiles := func(names ...string) {
data := []byte(strings.Join(names, " "))
if err := ioutil.WriteFile(filepath.Join(dir, ".installed"), data, 0666); err != nil {
t.Fatal(err)
}
cleanOldFiles(ctx, dir, ".installed")
}
assertFileList := func(names ...string) {
t.Helper()
sort.Strings(names)
var foundNames []string
if foundFiles, err := ioutil.ReadDir(dir); err == nil {
for _, fi := range foundFiles {
foundNames = append(foundNames, fi.Name())
}
} else {
t.Fatal(err)
}
if !reflect.DeepEqual(names, foundNames) {
t.Errorf("Expected a different list of files:\nwant: %v\n got: %v", names, foundNames)
t.Error("Log: ", logBuf.String())
logBuf.Reset()
}
}
// Initial list of potential files
runCleanOldFiles("foo", "bar")
touch("foo", "bar", "baz")
assertFileList("foo", "bar", "baz", ".installed.previous")
// This should be a no-op, as the list hasn't changed
runCleanOldFiles("foo", "bar")
assertFileList("foo", "bar", "baz", ".installed", ".installed.previous")
// This should be a no-op, as only a file was added
runCleanOldFiles("foo", "bar", "foo2")
assertFileList("foo", "bar", "baz", ".installed.previous")
// "bar" should be removed, foo2 should be ignored as it was never there
runCleanOldFiles("foo")
assertFileList("foo", "baz", ".installed.previous")
// Recreate bar, and create foo2. Ensure that they aren't removed
touch("bar", "foo2")
runCleanOldFiles("foo", "baz")
assertFileList("foo", "bar", "baz", "foo2", ".installed.previous")
}