| // Copyright 2023 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package chrome |
| |
| import ( |
| "context" |
| "encoding/json" |
| "flag" |
| "fmt" |
| "log" |
| "net" |
| "net/http" |
| "path/filepath" |
| "strings" |
| "sync" |
| "time" |
| |
| "dawn.googlesource.com/dawn/tools/src/cmd/run-cts/common" |
| "dawn.googlesource.com/dawn/tools/src/fileutils" |
| "github.com/chromedp/cdproto/runtime" |
| "github.com/chromedp/chromedp" |
| "golang.org/x/net/websocket" |
| ) |
| |
| type flags struct { |
| common.Flags |
| chrome string |
| } |
| |
| func init() { |
| common.Register(&cmd{}) |
| } |
| |
| type cmd struct { |
| flags flags |
| state common.State |
| query string |
| } |
| |
| func (cmd) Name() string { |
| return "chrome" |
| } |
| |
| func (cmd) Desc() string { |
| return "runs the CTS with chrome" |
| } |
| |
| func (c *cmd) RegisterFlags(ctx context.Context, cfg common.Config) ([]string, error) { |
| c.flags.Register() |
| flag.StringVar(&c.flags.chrome, "chrome", "", "path to the chrome executable") |
| return []string{"[query]"}, nil |
| } |
| |
| func (c *cmd) Run(ctx context.Context, cfg common.Config) error { |
| state, err := c.flags.Process() |
| if err != nil { |
| return err |
| } |
| c.state = *state |
| |
| // The test query is the optional unnamed argument |
| c.query = "webgpu:*" |
| switch len(flag.Args()) { |
| case 0: |
| case 1: |
| c.query = flag.Args()[0] |
| default: |
| return fmt.Errorf("only a single query can be provided") |
| } |
| |
| if err := c.state.CTS.Node.BuildIfRequired(c.flags.Verbose); err != nil { |
| return err |
| } |
| if err := c.state.CTS.Standalone.BuildIfRequired(c.flags.Verbose); err != nil { |
| return err |
| } |
| |
| // Find all the test cases that match r.query. |
| testCases, err := c.state.CTS.QueryTestCases(c.flags.Verbose, c.query) |
| if err != nil { |
| return fmt.Errorf("failed to gather tests: %w", err) |
| } |
| fmt.Printf("Testing %d test cases...\n", len(testCases)) |
| |
| resultStream := make(chan common.Result, 256) |
| go func() { |
| c.runTestCases(ctx, testCases, resultStream) |
| close(resultStream) |
| }() |
| |
| results, err := common.StreamResults(ctx, |
| c.flags.Colors, |
| c.state, |
| c.flags.Verbose, |
| /* coverage */ nil, |
| len(testCases), |
| resultStream) |
| if err != nil { |
| return err |
| } |
| |
| if err := c.state.Close(results); err != nil { |
| return err |
| } |
| |
| return nil |
| } |
| |
| // runTestCases spawns c.flags.NumRunners Chrome instances to run all the test |
| // cases in testCases. The results of the tests are streamed to results. |
| // Blocks until all the tests have been run. |
| func (c *cmd) runTestCases(ctx context.Context, testCases []common.TestCase, results chan<- common.Result) { |
| // Create a chan of test indices. |
| // This will be read by the test runner goroutines. |
| testCaseIndices := make(chan int, 256) |
| go func() { |
| for i := range testCases { |
| testCaseIndices <- i |
| } |
| close(testCaseIndices) |
| }() |
| |
| // Spin up the test runner goroutines |
| wg := &sync.WaitGroup{} |
| for i := 0; i < c.flags.NumRunners; i++ { |
| id := i |
| wg.Add(1) |
| go func() { |
| defer wg.Done() |
| if err := c.runChromeInstance(ctx, id, testCases, testCaseIndices, results); err != nil { |
| results <- common.Result{ |
| Status: common.Fail, |
| Error: fmt.Errorf("Test server error: %w", err), |
| } |
| } |
| }() |
| } |
| |
| wg.Wait() |
| } |
| |
| // runChromeInstance starts a Chrome instance, takes case indices from |
| // testCaseIndices, and requests the server run the test with the given index. |
| // The result of the test run is written to the results chan. |
| // Once the testCaseIndices chan has been closed and all taken tests have been |
| // completed, the Chrome instance is shutdown and runChromeInstance returns. |
| func (c *cmd) runChromeInstance( |
| ctx context.Context, |
| id int, |
| testCases []common.TestCase, |
| testCaseIndices <-chan int, |
| results chan<- common.Result) error { |
| |
| port := 8800 + id |
| |
| type Request struct { |
| Query string `json:"q"` |
| UseWorker bool `json:"w"` |
| } |
| type Response struct { |
| Type string |
| Message string |
| Log string `json:"log"` |
| Status string |
| Duration float64 `json:"js_duration_ms"` |
| } |
| requests := make(chan Request, 64) |
| responses := make(chan Response, 64) |
| errs := make(chan error, 64) |
| |
| handler := http.NewServeMux() |
| handler.HandleFunc("/test_page.html", serveFile("webgpu-cts/test_page.html")) |
| handler.HandleFunc("/test_runner.js", serveFile("webgpu-cts/test_runner.js")) |
| handler.HandleFunc("/third_party/webgpu-cts/resources/", |
| serveDir("/third_party/webgpu-cts/resources/", c.flags.CTS+"/out/resources/")) |
| handler.HandleFunc("/third_party/webgpu-cts/src/", |
| serveDir("/third_party/webgpu-cts/src/", c.flags.CTS+"/out/")) |
| handler.HandleFunc("/", websocket.Handler(func(ws *websocket.Conn) { |
| go func() { |
| d := json.NewDecoder(ws) |
| for { |
| response := Response{} |
| if err := d.Decode(&response); err == nil { |
| responses <- response |
| } else { |
| errs <- err |
| return |
| } |
| } |
| }() |
| e := json.NewEncoder(ws) |
| for request := range requests { |
| if err := e.Encode(request); err != nil { |
| errs <- err |
| return |
| } |
| } |
| }).ServeHTTP) |
| |
| server := &http.Server{Addr: fmt.Sprint(":", port), Handler: handler} |
| ln, err := net.Listen("tcp", server.Addr) |
| if err != nil { |
| return err |
| } |
| |
| go func() { |
| if c.flags.Verbose { |
| fmt.Fprintf(c.state.Stdout, "[%v] listening on port %v\n", id, port) |
| } |
| if err := server.Serve(ln); err != nil { |
| errs <- err |
| } |
| }() |
| |
| origin := fmt.Sprintf("http://localhost:%v", port) |
| execOpts := []chromedp.ExecAllocatorOption{ |
| chromedp.NoDefaultBrowserCheck, |
| chromedp.NoFirstRun, |
| chromedp.Flag("unsafely-treat-insecure-origin-as-secure", origin), |
| chromedp.Flag("enable-unsafe-webgpu", true), |
| chromedp.Flag("enable-features", "Vulkan,UseSkiaRenderer"), |
| } |
| |
| if c.flags.chrome != "" { |
| execOpts = append(execOpts, chromedp.ExecPath(c.flags.chrome)) |
| } |
| |
| allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), execOpts...) |
| defer cancel() |
| |
| runCtx, cancel := chromedp.NewContext(allocCtx, |
| chromedp.WithLogf(log.Printf), |
| chromedp.WithErrorf(log.Printf)) |
| defer cancel() |
| |
| if c.flags.Verbose { |
| chromedp.ListenTarget(runCtx, func(ev interface{}) { |
| switch ev := ev.(type) { |
| case *runtime.EventConsoleAPICalled: |
| args := make([]string, len(ev.Args)) |
| for i := range ev.Args { |
| args[i] = string(ev.Args[i].Value) |
| } |
| log.Println(ev.Type, strings.Join(args, " ")) |
| case *runtime.EventExceptionThrown: |
| log.Println(ev.ExceptionDetails.Error()) |
| } |
| }) |
| } |
| if err := chromedp.Run(runCtx, |
| chromedp.Navigate(origin+"/test_page.html"), |
| chromedp.Evaluate(fmt.Sprintf("window.setupWebsocket(%v);", port), |
| nil)); err != nil { |
| return err |
| } |
| |
| nextTestCase: |
| for idx := range testCaseIndices { |
| res := common.Result{Index: idx, TestCase: testCases[idx]} |
| if c.flags.Verbose { |
| fmt.Println("Starting", res.TestCase) |
| } |
| requests <- Request{Query: string(res.TestCase)} |
| |
| for { |
| // Future enhancements: Timeouts, browser restarting. |
| select { |
| case response := <-responses: |
| switch response.Type { |
| case "CONNECTION_ACK": |
| if c.flags.Verbose { |
| fmt.Fprintf(c.state.Stdout, "[%v] connected\n", id) |
| } |
| case "TEST_STARTED": |
| case "TEST_HEARTBEAT": |
| case "TEST_STATUS": |
| res.Status = common.Status(response.Status) |
| res.Duration = time.Duration(response.Duration) * time.Millisecond |
| case "TEST_FINISHED": |
| results <- res |
| continue nextTestCase |
| case "TEST_LOG": |
| res.Message += response.Log |
| |
| default: |
| return fmt.Errorf("unknown response type: %v", response.Type) |
| } |
| |
| case err := <-errs: |
| return err |
| } |
| } |
| } |
| |
| if err := server.Shutdown(ctx); err != nil { |
| return err |
| } |
| |
| return nil |
| } |
| |
| func serveFile(relPath string) func(http.ResponseWriter, *http.Request) { |
| dawnRoot := fileutils.DawnRoot() |
| return func(w http.ResponseWriter, r *http.Request) { |
| fullPath := filepath.Join(dawnRoot, relPath) |
| if !fileutils.IsFile(fullPath) { |
| log.Printf("'%v' file does not exist", fullPath) |
| } |
| http.ServeFile(w, r, filepath.Join(dawnRoot, relPath)) |
| } |
| } |
| |
| func serveDir(remote, local string) func(http.ResponseWriter, *http.Request) { |
| return func(w http.ResponseWriter, r *http.Request) { |
| fullPath := filepath.Join(local, strings.TrimPrefix(r.URL.Path, remote)) |
| if !fileutils.IsFile(fullPath) { |
| log.Printf("'%v' file does not exist", fullPath) |
| } |
| http.ServeFile(w, r, fullPath) |
| } |
| } |