Add tests for merge_zips
Test: merge_zip_test.go Change-Id: I8fc577946b40cad193864aa2ebda1bef3a0e050e
This commit is contained in:
Colin Cross
269
cmd/merge_zips/merge_zips_test.go
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269
cmd/merge_zips/merge_zips_test.go
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// Copyright 2018 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 main
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import (
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"bytes"
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"fmt"
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"os"
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"strconv"
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"strings"
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"testing"
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"android/soong/jar"
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"android/soong/third_party/zip"
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)
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type testZipEntry struct {
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name string
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mode os.FileMode
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data []byte
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}
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var (
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A = testZipEntry{"A", 0755, []byte("foo")}
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a = testZipEntry{"a", 0755, []byte("foo")}
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a2 = testZipEntry{"a", 0755, []byte("FOO2")}
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a3 = testZipEntry{"a", 0755, []byte("Foo3")}
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bDir = testZipEntry{"b/", os.ModeDir | 0755, nil}
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bbDir = testZipEntry{"b/b/", os.ModeDir | 0755, nil}
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bbb = testZipEntry{"b/b/b", 0755, nil}
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ba = testZipEntry{"b/a", 0755, []byte("foob")}
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bc = testZipEntry{"b/c", 0755, []byte("bar")}
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bd = testZipEntry{"b/d", 0700, []byte("baz")}
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be = testZipEntry{"b/e", 0700, []byte("")}
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metainfDir = testZipEntry{jar.MetaDir, os.ModeDir | 0755, nil}
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manifestFile = testZipEntry{jar.ManifestFile, 0755, []byte("manifest")}
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manifestFile2 = testZipEntry{jar.ManifestFile, 0755, []byte("manifest2")}
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moduleInfoFile = testZipEntry{jar.ModuleInfoClass, 0755, []byte("module-info")}
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)
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func TestMergeZips(t *testing.T) {
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testCases := []struct {
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name string
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in [][]testZipEntry
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stripFiles []string
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stripDirs []string
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jar bool
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sort bool
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ignoreDuplicates bool
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stripDirEntries bool
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zipsToNotStrip map[string]bool
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out []testZipEntry
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err string
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}{
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{
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name: "duplicates error",
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in: [][]testZipEntry{
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{a},
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{a2},
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{a3},
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},
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out: []testZipEntry{a},
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err: "duplicate",
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},
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{
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name: "duplicates take first",
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in: [][]testZipEntry{
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{a},
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{a2},
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{a3},
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},
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out: []testZipEntry{a},
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ignoreDuplicates: true,
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},
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{
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name: "sort",
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in: [][]testZipEntry{
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{be, bc, bDir, bbDir, bbb, A, metainfDir, manifestFile},
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},
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out: []testZipEntry{A, metainfDir, manifestFile, bDir, bbDir, bbb, bc, be},
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sort: true,
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},
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{
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name: "jar sort",
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in: [][]testZipEntry{
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{be, bc, bDir, A, metainfDir, manifestFile},
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},
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out: []testZipEntry{metainfDir, manifestFile, A, bDir, bc, be},
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jar: true,
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},
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{
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name: "jar merge",
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in: [][]testZipEntry{
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{metainfDir, manifestFile, bDir, be},
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{metainfDir, manifestFile2, bDir, bc},
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{metainfDir, manifestFile2, A},
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},
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out: []testZipEntry{metainfDir, manifestFile, A, bDir, bc, be},
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jar: true,
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},
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{
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name: "merge",
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in: [][]testZipEntry{
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{bDir, be},
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{bDir, bc},
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{A},
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},
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out: []testZipEntry{bDir, be, bc, A},
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},
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{
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name: "strip dir entries",
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in: [][]testZipEntry{
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{a, bDir, bbDir, bbb, bc, bd, be},
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},
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out: []testZipEntry{a, bbb, bc, bd, be},
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stripDirEntries: true,
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},
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{
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name: "strip file name",
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in: [][]testZipEntry{
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{a, bDir, ba},
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},
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out: []testZipEntry{bDir},
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stripFiles: []string{"a"},
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},
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{
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name: "strip dirs",
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in: [][]testZipEntry{
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{a, bDir, bbDir, bbb, bc, bd, be},
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},
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out: []testZipEntry{a},
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stripDirs: []string{"b"},
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},
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{
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name: "zips to not strip",
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in: [][]testZipEntry{
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{a, bDir, bc},
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{bDir, bd},
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{bDir, be},
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},
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out: []testZipEntry{a, bDir, bd},
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stripDirs: []string{"b"},
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zipsToNotStrip: map[string]bool{
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"in1": true,
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},
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},
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}
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for _, test := range testCases {
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t.Run(test.name, func(t *testing.T) {
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var readers []namedZipReader
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for i, in := range test.in {
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r := testZipEntriesToZipReader(in)
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readers = append(readers, namedZipReader{
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path: "in" + strconv.Itoa(i),
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reader: r,
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})
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}
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want := testZipEntriesToBuf(test.out)
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out := &bytes.Buffer{}
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writer := zip.NewWriter(out)
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err := mergeZips(readers, writer, "", "", "",
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test.sort, test.jar, false, test.stripDirEntries, test.ignoreDuplicates,
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test.stripFiles, test.stripDirs, test.zipsToNotStrip)
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closeErr := writer.Close()
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if closeErr != nil {
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t.Fatal(err)
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}
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if test.err != "" {
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if err == nil {
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t.Fatal("missing err, expected: ", test.err)
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} else if !strings.Contains(strings.ToLower(err.Error()), strings.ToLower(test.err)) {
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t.Fatal("incorrect err, want:", test.err, "got:", err)
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}
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return
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}
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if !bytes.Equal(want, out.Bytes()) {
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t.Error("incorrect zip output")
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t.Errorf("want:\n%s", dumpZip(want))
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t.Errorf("got:\n%s", dumpZip(out.Bytes()))
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}
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})
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}
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}
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func testZipEntriesToBuf(entries []testZipEntry) []byte {
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b := &bytes.Buffer{}
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zw := zip.NewWriter(b)
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for _, e := range entries {
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fh := zip.FileHeader{
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Name: e.name,
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}
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fh.SetMode(e.mode)
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w, err := zw.CreateHeader(&fh)
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if err != nil {
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panic(err)
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}
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_, err = w.Write(e.data)
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if err != nil {
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panic(err)
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}
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}
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err := zw.Close()
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if err != nil {
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panic(err)
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}
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return b.Bytes()
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}
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func testZipEntriesToZipReader(entries []testZipEntry) *zip.Reader {
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b := testZipEntriesToBuf(entries)
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r := bytes.NewReader(b)
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zr, err := zip.NewReader(r, int64(len(b)))
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if err != nil {
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panic(err)
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}
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return zr
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}
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func dumpZip(buf []byte) string {
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r := bytes.NewReader(buf)
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zr, err := zip.NewReader(r, int64(len(buf)))
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if err != nil {
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panic(err)
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}
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var ret string
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for _, f := range zr.File {
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ret += fmt.Sprintf("%v: %v %v %08x\n", f.Name, f.Mode(), f.UncompressedSize64, f.CRC32)
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}
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return ret
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}
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