mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-08 13:03:39 +00:00
Brad Peabody
GitHub
@@ -0,0 +1,34 @@
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package wasm
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import (
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"testing"
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"time"
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"github.com/chromedp/chromedp"
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)
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func TestChan(t *testing.T) {
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t.Parallel()
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err := run("tinygo build -o " + wasmTmpDir + "/chan.wasm -target wasm testdata/chan.go")
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := chromectx(5 * time.Second)
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defer cancel()
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err = chromedp.Run(ctx,
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chromedp.Navigate("http://localhost:8826/run?file=chan.wasm"),
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waitLog(`1
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2
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4
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3
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true`),
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)
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if err != nil {
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t.Fatal(err)
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}
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}
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@@ -0,0 +1,47 @@
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// +build go1.14
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package wasm
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import (
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"testing"
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"time"
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"github.com/chromedp/chromedp"
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)
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func TestEvent(t *testing.T) {
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t.Parallel()
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err := run("tinygo build -o " + wasmTmpDir + "/event.wasm -target wasm testdata/event.go")
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := chromectx(5 * time.Second)
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defer cancel()
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var log1, log2 string
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err = chromedp.Run(ctx,
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chromedp.Navigate("http://localhost:8826/run?file=event.wasm"),
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chromedp.WaitVisible("#log"),
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chromedp.Sleep(time.Second),
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chromedp.InnerHTML("#log", &log1),
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waitLog(`1
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4`),
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chromedp.Click("#testbtn"),
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chromedp.Sleep(time.Second),
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chromedp.InnerHTML("#log", &log2),
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waitLog(`1
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4
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2
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3
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true`),
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)
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t.Logf("log1: %s", log1)
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t.Logf("log2: %s", log2)
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if err != nil {
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t.Fatal(err)
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}
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}
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@@ -0,0 +1,43 @@
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// +build go1.14
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package wasm
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// NOTE: this should work in go1.13 but panics with:
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// panic: syscall/js: call of Value.Get on string
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// which is coming from here: https://github.com/golang/go/blob/release-branch.go1.13/src/syscall/js/js.go#L252
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// But I'm not sure how import "fmt" results in this.
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// To reproduce, install Go 1.13.x and change the build tag above
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// to go1.13 and run this test.
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import (
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"testing"
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"time"
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"github.com/chromedp/chromedp"
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)
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func TestFmt(t *testing.T) {
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t.Parallel()
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err := run("tinygo build -o " + wasmTmpDir + "/fmt.wasm -target wasm testdata/fmt.go")
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := chromectx(5 * time.Second)
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defer cancel()
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var log1 string
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err = chromedp.Run(ctx,
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chromedp.Navigate("http://localhost:8826/run?file=fmt.wasm"),
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chromedp.Sleep(time.Second),
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chromedp.InnerHTML("#log", &log1),
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waitLog(`did not panic`),
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)
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t.Logf("log1: %s", log1)
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if err != nil {
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t.Fatal(err)
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}
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}
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@@ -0,0 +1,39 @@
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// +build go1.14
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package wasm
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import (
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"testing"
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"time"
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"github.com/chromedp/chromedp"
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)
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func TestFmtprint(t *testing.T) {
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t.Parallel()
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err := run("tinygo build -o " + wasmTmpDir + "/fmtprint.wasm -target wasm testdata/fmtprint.go")
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := chromectx(5 * time.Second)
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defer cancel()
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var log1 string
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err = chromedp.Run(ctx,
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chromedp.Navigate("http://localhost:8826/run?file=fmtprint.wasm"),
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chromedp.Sleep(time.Second),
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chromedp.InnerHTML("#log", &log1),
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waitLog(`test from fmtprint 1
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test from fmtprint 2
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test from fmtprint 3
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test from fmtprint 4`),
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)
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t.Logf("log1: %s", log1)
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if err != nil {
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t.Fatal(err)
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}
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}
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@@ -0,0 +1,189 @@
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package wasm
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import (
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"context"
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"errors"
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"os/exec"
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"strings"
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"testing"
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"time"
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"github.com/chromedp/cdproto/cdp"
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"github.com/chromedp/chromedp"
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)
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var addr = flag.String("addr", ":8826", "Host:port to listen on for wasm test server")
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var wasmTmpDir string // set in TestMain to a temp directory for build output
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func TestMain(m *testing.M) {
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flag.Parse()
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os.Exit(func() int {
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var err error
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wasmTmpDir, err = ioutil.TempDir("", "wasm_test")
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if err != nil {
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log.Fatalf("unable to create temp dir: %v", err)
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}
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defer os.RemoveAll(wasmTmpDir) // cleanup even on panic and before os.Exit
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startServer(wasmTmpDir)
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return m.Run()
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}())
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}
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func run(cmdline string) error {
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args := strings.Fields(cmdline)
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return runargs(args...)
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}
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func runargs(args ...string) error {
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cmd := exec.Command(args[0], args[1:]...)
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b, err := cmd.CombinedOutput()
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log.Printf("Command: %s; err=%v; full output:\n%s", strings.Join(args, " "), err, b)
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if err != nil {
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return err
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}
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return nil
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}
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func chromectx(timeout time.Duration) (context.Context, context.CancelFunc) {
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var ctx context.Context
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// looks for locally installed Chrome
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ctx, _ = chromedp.NewContext(context.Background())
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ctx, cancel := context.WithTimeout(ctx, timeout)
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return ctx, cancel
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}
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func startServer(tmpDir string) {
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fsh := http.FileServer(http.Dir(tmpDir))
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h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/wasm_exec.js" {
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http.ServeFile(w, r, "../../targets/wasm_exec.js")
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return
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}
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if r.URL.Path == "/run" {
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fmt.Fprintf(w, `<!doctype html>
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<html>
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<head>
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<title>Test</title>
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<meta charset="utf-8"/>
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</head>
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<body>
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<div id="main"></div>
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<pre id="log"></pre>
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<script>
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window.wasmLogOutput = [];
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(function() {
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var logdiv = document.getElementById('log');
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var cl = console.log;
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console.log = function() {
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var a = [];
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for (var i = 0; i < arguments.length; i++) {
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a.push(arguments[i]);
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}
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var line = a.join(' ') + "\n";
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window.wasmLogOutput.push(line);
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var ret = cl.apply(console, arguments)
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var el = document.createElement('span');
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el.innerText = line;
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logdiv.appendChild(el);
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return ret
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}
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})()
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</script>
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<script src="/wasm_exec.js"></script>
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<script>
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var wasmSupported = (typeof WebAssembly === "object");
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if (wasmSupported) {
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var mainWasmReq = fetch("/%s").then(function(res) {
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if (res.ok) {
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const go = new Go();
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WebAssembly.instantiateStreaming(res, go.importObject).then((result) => {
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go.run(result.instance);
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});
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} else {
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res.text().then(function(txt) {
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var el = document.getElementById("main");
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el.style = 'font-family: monospace; background: black; color: red; padding: 10px';
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el.innerText = txt;
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})
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}
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})
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} else {
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document.getElementById("main").innerHTML = 'This application requires WebAssembly support. Please upgrade your browser.';
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}
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</script>
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</body>
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</html>`, r.FormValue("file"))
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return
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}
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fsh.ServeHTTP(w, r)
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})
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log.Printf("Starting server at %q for dir: %s", *addr, tmpDir)
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go func() {
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log.Fatal(http.ListenAndServe(*addr, h))
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}()
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}
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func waitLog(logText string) chromedp.QueryAction {
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return waitInnerTextTrimEq("#log", logText)
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}
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// waitInnerTextTrimEq will wait for the innerText of the specified element to match a specific string after whitespace trimming.
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func waitInnerTextTrimEq(sel, innerText string) chromedp.QueryAction {
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return chromedp.Query(sel, func(s *chromedp.Selector) {
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chromedp.WaitFunc(func(ctx context.Context, cur *cdp.Frame, ids ...cdp.NodeID) ([]*cdp.Node, error) {
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nodes := make([]*cdp.Node, len(ids))
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cur.RLock()
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for i, id := range ids {
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nodes[i] = cur.Nodes[id]
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if nodes[i] == nil {
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cur.RUnlock()
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// not yet ready
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return nil, nil
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}
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}
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cur.RUnlock()
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var ret string
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err := chromedp.EvaluateAsDevTools("document.querySelector('"+sel+"').innerText", &ret).Do(ctx)
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if err != nil {
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return nodes, err
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}
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if strings.TrimSpace(ret) != innerText {
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// log.Printf("found text: %s", ret)
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return nodes, errors.New("unexpected value: " + ret)
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}
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// log.Printf("NodeValue: %#v", nodes[0])
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// return nil, errors.New("not ready yet")
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return nodes, nil
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})(s)
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})
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}
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Vendored
+16
@@ -0,0 +1,16 @@
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package main
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func main() {
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ch := make(chan bool, 1)
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println("1")
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go func() {
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println("2")
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ch <- true
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println("3")
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}()
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println("4")
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v := <-ch
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println(v)
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}
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Vendored
+31
@@ -0,0 +1,31 @@
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package main
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import "syscall/js"
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func main() {
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ch := make(chan bool, 1)
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println("1")
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js.Global().
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Get("document").
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Call("querySelector", "#main").
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Set("innerHTML", `<button id="testbtn">Test</button>`)
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|
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js.Global().
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Get("document").
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Call("querySelector", "#testbtn").
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Call("addEventListener", "click",
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||||
js.FuncOf(func(this js.Value, args []js.Value) interface{} {
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println("2")
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ch <- true
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||||
println("3")
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||||
return nil
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||||
}))
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||||
|
||||
println("4")
|
||||
v := <-ch
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||||
println(v)
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||||
|
||||
}
|
||||
Vendored
+8
@@ -0,0 +1,8 @@
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package main
|
||||
|
||||
import "fmt"
|
||||
|
||||
func main() {
|
||||
var _ fmt.Stringer
|
||||
println("did not panic")
|
||||
}
|
||||
Vendored
+11
@@ -0,0 +1,11 @@
|
||||
package main
|
||||
|
||||
import "fmt"
|
||||
|
||||
func main() {
|
||||
fmt.Println("test from fmtprint 1")
|
||||
fmt.Print("test from fmtprint 2\n")
|
||||
fmt.Print("test from fmtp")
|
||||
fmt.Print("rint 3\n")
|
||||
fmt.Printf("test from fmtprint %d\n", 4)
|
||||
}
|
||||
Reference in New Issue
Block a user