platform_build_soong/cmd/symbols_map/r8_test.go
Colin Cross 36f55aabcd Add a symbols_map tool for extracting identifiers from elf and r8 files
Add a symbols_map tool that can extract an identifiying hash from
and elf file or an r8 dictionary.  The tool writes the hash to a
textproto, and also supports a merge mode to combine textprotos into
a output file for inclusion in the build artifacts.

Bug: 218888599
Test: m dist
Test: symbols_map_test.go
Change-Id: Icd3ed6e5510e058c92d97c78759e7a4cfcdbb6ca
2022-04-04 15:53:38 -07:00

91 lines
2.5 KiB
Go

// Copyright 2022 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 main
import (
"bytes"
"strings"
"testing"
)
func Test_extractR8CompilerHash(t *testing.T) {
testCases := []struct {
name string
data string
hash string
err string
}{
{
name: "simple",
data: `# compiler: R8
# compiler_version: 3.3.18-dev
# min_api: 10000
# compiler_hash: bab44c1a04a2201b55fe10394f477994205c34e0
# common_typos_disable
# {"id":"com.android.tools.r8.mapping","version":"2.0"}
# pg_map_id: 7fe8b95
# pg_map_hash: SHA-256 7fe8b95ae71f179f63d2a585356fb9cf2c8fb94df9c9dd50621ffa6d9e9e88da
android.car.userlib.UserHelper -> android.car.userlib.UserHelper:
`,
hash: "7fe8b95ae71f179f63d2a585356fb9cf2c8fb94df9c9dd50621ffa6d9e9e88da",
},
{
name: "empty",
data: ``,
hash: "",
},
{
name: "non comment line",
data: `# compiler: R8
# compiler_version: 3.3.18-dev
# min_api: 10000
# compiler_hash: bab44c1a04a2201b55fe10394f477994205c34e0
# common_typos_disable
# {"id":"com.android.tools.r8.mapping","version":"2.0"}
# pg_map_id: 7fe8b95
android.car.userlib.UserHelper -> android.car.userlib.UserHelper:
# pg_map_hash: SHA-256 7fe8b95ae71f179f63d2a585356fb9cf2c8fb94df9c9dd50621ffa6d9e9e88da
`,
hash: "",
},
{
name: "invalid hash",
data: `# pg_map_hash: foobar 7fe8b95ae71f179f63d2a585356fb9cf2c8fb94df9c9dd50621ffa6d9e9e88da`,
err: "invalid hash type",
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
hash, err := extractR8CompilerHash(bytes.NewBufferString(tt.data))
if err != nil {
if tt.err != "" {
if !strings.Contains(err.Error(), tt.err) {
t.Fatalf("incorrect error in extractR8CompilerHash, want %s got %s", tt.err, err)
}
} else {
t.Fatalf("unexpected error in extractR8CompilerHash: %s", err)
}
} else if tt.err != "" {
t.Fatalf("missing error in extractR8CompilerHash, want %s", tt.err)
}
if g, w := hash, tt.hash; g != w {
t.Errorf("incorrect hash, want %q got %q", w, g)
}
})
}
}