405af07859
This reverts commit 323dc60712.
Reason for revert: Possible cause of test instability
Bug: 170513220
Test: soong tests
Change-Id: Iee168e9fbb4210569e6cffcc23e60d111403abb8
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
// Copyright 2020 Google Inc. All rights reserved.
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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 build
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import (
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"android/soong/ui/logger"
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"bytes"
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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"sort"
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"strings"
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"testing"
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)
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func TestCleanOldFiles(t *testing.T) {
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dir, err := ioutil.TempDir("", "testcleanoldfiles")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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ctx := testContext()
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logBuf := &bytes.Buffer{}
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ctx.Logger = logger.New(logBuf)
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touch := func(names ...string) {
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for _, name := range names {
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if f, err := os.Create(filepath.Join(dir, name)); err != nil {
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t.Fatal(err)
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} else {
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f.Close()
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}
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}
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}
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runCleanOldFiles := func(names ...string) {
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data := []byte(strings.Join(names, " "))
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if err := ioutil.WriteFile(filepath.Join(dir, ".installed"), data, 0666); err != nil {
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t.Fatal(err)
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}
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cleanOldFiles(ctx, dir, ".installed")
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}
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assertFileList := func(names ...string) {
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t.Helper()
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sort.Strings(names)
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var foundNames []string
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if foundFiles, err := ioutil.ReadDir(dir); err == nil {
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for _, fi := range foundFiles {
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foundNames = append(foundNames, fi.Name())
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}
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} else {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(names, foundNames) {
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t.Errorf("Expected a different list of files:\nwant: %v\n got: %v", names, foundNames)
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t.Error("Log: ", logBuf.String())
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logBuf.Reset()
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}
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}
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// Initial list of potential files
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runCleanOldFiles("foo", "bar")
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touch("foo", "bar", "baz")
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assertFileList("foo", "bar", "baz", ".installed.previous")
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// This should be a no-op, as the list hasn't changed
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runCleanOldFiles("foo", "bar")
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assertFileList("foo", "bar", "baz", ".installed", ".installed.previous")
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// This should be a no-op, as only a file was added
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runCleanOldFiles("foo", "bar", "foo2")
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assertFileList("foo", "bar", "baz", ".installed.previous")
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// "bar" should be removed, foo2 should be ignored as it was never there
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runCleanOldFiles("foo")
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assertFileList("foo", "baz", ".installed.previous")
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// Recreate bar, and create foo2. Ensure that they aren't removed
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touch("bar", "foo2")
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runCleanOldFiles("foo", "baz")
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assertFileList("foo", "bar", "baz", "foo2", ".installed.previous")
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}
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