platform_build_soong/ui/build/cleanbuild_test.go
Colin Cross 323dc60712 Make lots of tests run in parallel
Putting t.Parallel() in each test makes them run in parallel.
Additional t.Parallel() could be added to each subtest, although
that requires making a local copy of the loop variable for
table driven tests.

Test: m checkbuild
Change-Id: I5d9869ead441093f4d7c5757f2447385333a95a4
2020-10-06 15:12:22 -07:00

101 lines
2.7 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) {
t.Parallel()
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")
}