| // Copyright 2019 CUE Authors |
| // |
| // 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 protobuf |
| |
| import ( |
| "bytes" |
| "flag" |
| "fmt" |
| "io/ioutil" |
| "os" |
| "path/filepath" |
| "strings" |
| "testing" |
| |
| "cuelang.org/go/cue/ast" |
| "cuelang.org/go/cue/format" |
| "github.com/kr/pretty" |
| ) |
| |
| var update = flag.Bool("update", false, "update the test output") |
| |
| func TestExtractDefinitions(t *testing.T) { |
| testCases := []string{ |
| "networking/v1alpha3/gateway.proto", |
| "mixer/v1/attributes.proto", |
| "mixer/v1/config/client/client_config.proto", |
| } |
| for _, file := range testCases { |
| t.Run(file, func(t *testing.T) { |
| root := "testdata/istio.io/api" |
| filename := filepath.Join(root, filepath.FromSlash(file)) |
| c := &Config{ |
| Paths: []string{"testdata", root}, |
| } |
| |
| out := &bytes.Buffer{} |
| |
| if f, err := Extract(filename, nil, c); err != nil { |
| fmt.Fprintln(out, err) |
| } else { |
| b, _ := format.Node(f, format.Simplify()) |
| out.Write(b) |
| } |
| |
| wantFile := filepath.Join("testdata", filepath.Base(file)+".out.cue") |
| if *update { |
| _ = ioutil.WriteFile(wantFile, out.Bytes(), 0644) |
| return |
| } |
| |
| b, err := ioutil.ReadFile(wantFile) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| if desc := pretty.Diff(out.String(), string(b)); len(desc) > 0 { |
| t.Errorf("files differ:\n%v", desc) |
| } |
| }) |
| } |
| } |
| |
| func TestBuild(t *testing.T) { |
| cwd, _ := os.Getwd() |
| root := filepath.Join(cwd, "testdata/istio.io/api") |
| c := &Config{ |
| Root: root, |
| Module: "istio.io/api", |
| Paths: []string{ |
| root, |
| filepath.Join(cwd, "testdata"), |
| }, |
| } |
| |
| b := NewExtractor(c) |
| _ = b.AddFile("networking/v1alpha3/gateway.proto", nil) |
| _ = b.AddFile("mixer/v1/attributes.proto", nil) |
| _ = b.AddFile("mixer/v1/mixer.proto", nil) |
| _ = b.AddFile("mixer/v1/config/client/client_config.proto", nil) |
| |
| files, err := b.Files() |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| if *update { |
| for _, f := range files { |
| b, err := format.Node(f) |
| if err != nil { |
| t.Fatal(err) |
| } |
| _ = os.MkdirAll(filepath.Dir(f.Filename), 0755) |
| err = ioutil.WriteFile(f.Filename, b, 0644) |
| if err != nil { |
| t.Fatal(err) |
| } |
| } |
| return |
| } |
| |
| gotFiles := map[string]*ast.File{} |
| |
| for _, f := range files { |
| rel, err := filepath.Rel(cwd, f.Filename) |
| if err != nil { |
| t.Fatal(err) |
| } |
| gotFiles[rel] = f |
| } |
| |
| _ = filepath.Walk("testdata/istio.io/api", func(path string, fi os.FileInfo, err error) error { |
| if err != nil || fi.IsDir() || !strings.HasSuffix(path, ".cue") { |
| return err |
| } |
| |
| f := gotFiles[path] |
| if f == nil { |
| t.Errorf("did not produce file %q", path) |
| return nil |
| } |
| delete(gotFiles, path) |
| |
| got, err := format.Node(f) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| want, err := ioutil.ReadFile(path) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| if !bytes.Equal(got, want) { |
| t.Errorf("%s: files differ", path) |
| } |
| return nil |
| }) |
| |
| for filename := range gotFiles { |
| t.Errorf("did not expect file %q", filename) |
| } |
| } |