| // Copyright 2014 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Test tests are linked into the main binary and are run as part of |
| // the Docker build step. |
| |
| package main |
| |
| import ( |
| "context" |
| "fmt" |
| stdlog "log" |
| "net" |
| "os" |
| "reflect" |
| "strings" |
| "time" |
| ) |
| |
| type compileTest struct { |
| name string // test name |
| prog, want, errors string |
| wantFunc func(got string) error // alternative to want |
| withVet bool |
| wantEvents []Event |
| wantVetErrors string |
| } |
| |
| func (s *server) test() { |
| if _, err := net.ResolveIPAddr("ip", "sandbox_dev.sandnet."); err != nil { |
| log.Fatalf("sandbox_dev.sandnet not available") |
| } |
| os.Setenv("DEBUG_FORCE_GVISOR", "1") |
| os.Setenv("SANDBOX_BACKEND_URL", "http://sandbox_dev.sandnet/run") |
| s.runTests() |
| } |
| |
| func (s *server) runTests() { |
| if err := s.healthCheck(context.Background()); err != nil { |
| stdlog.Fatal(err) |
| } |
| |
| // Enable module downloads for testing: |
| defer func(old string) { os.Setenv("ALLOW_PLAY_MODULE_DOWNLOADS", old) }(os.Getenv("ALLOW_PLAY_MODULE_DOWNLOADS")) |
| os.Setenv("ALLOW_PLAY_MODULE_DOWNLOADS", "true") |
| |
| failed := false |
| for i, t := range tests { |
| stdlog.Printf("testing case %d (%q)...\n", i, t.name) |
| resp, err := compileAndRun(context.Background(), &request{Body: t.prog, WithVet: t.withVet}) |
| if err != nil { |
| stdlog.Fatal(err) |
| } |
| if t.wantEvents != nil { |
| if !reflect.DeepEqual(resp.Events, t.wantEvents) { |
| stdlog.Printf("resp.Events = %q, want %q", resp.Events, t.wantEvents) |
| failed = true |
| } |
| continue |
| } |
| if t.errors != "" { |
| if resp.Errors != t.errors { |
| stdlog.Printf("resp.Errors = %q, want %q", resp.Errors, t.errors) |
| failed = true |
| } |
| continue |
| } |
| if resp.Errors != "" { |
| stdlog.Printf("resp.Errors = %q, want %q", resp.Errors, t.errors) |
| failed = true |
| continue |
| } |
| if resp.VetErrors != t.wantVetErrors { |
| stdlog.Printf("resp.VetErrs = %q, want %q", resp.VetErrors, t.wantVetErrors) |
| failed = true |
| continue |
| } |
| if t.withVet && (resp.VetErrors != "") == resp.VetOK { |
| stdlog.Printf("resp.VetErrs & VetOK inconsistent; VetErrs = %q; VetOK = %v", resp.VetErrors, resp.VetOK) |
| failed = true |
| continue |
| } |
| if len(resp.Events) == 0 { |
| stdlog.Printf("unexpected output: %q, want %q", "", t.want) |
| failed = true |
| continue |
| } |
| var b strings.Builder |
| for _, e := range resp.Events { |
| b.WriteString(e.Message) |
| } |
| if t.wantFunc != nil { |
| if err := t.wantFunc(b.String()); err != nil { |
| stdlog.Printf("%v\n", err) |
| failed = true |
| } |
| } else { |
| if !strings.Contains(b.String(), t.want) { |
| stdlog.Printf("unexpected output: %q, want %q", b.String(), t.want) |
| failed = true |
| } |
| } |
| } |
| if failed { |
| stdlog.Fatalf("FAILED") |
| } |
| fmt.Println("OK") |
| } |
| |
| var tests = []compileTest{ |
| { |
| name: "timezones_available", |
| prog: ` |
| package main |
| |
| import "time" |
| |
| func main() { |
| loc, err := time.LoadLocation("America/New_York") |
| if err != nil { |
| panic(err.Error()) |
| } |
| println(loc.String()) |
| } |
| `, want: "America/New_York"}, |
| |
| { |
| name: "faketime_works", |
| prog: ` |
| package main |
| |
| import ( |
| "fmt" |
| "time" |
| ) |
| |
| func main() { |
| fmt.Println(time.Now()) |
| } |
| `, want: "2009-11-10 23:00:00 +0000 UTC"}, |
| |
| { |
| name: "faketime_tickers", |
| prog: ` |
| package main |
| |
| import ( |
| "fmt" |
| "time" |
| ) |
| |
| func main() { |
| t1 := time.Tick(time.Second * 3) |
| t2 := time.Tick(time.Second * 7) |
| t3 := time.Tick(time.Second * 11) |
| end := time.After(time.Second * 19) |
| want := "112131211" |
| var got []byte |
| for { |
| var c byte |
| select { |
| case <-t1: |
| c = '1' |
| case <-t2: |
| c = '2' |
| case <-t3: |
| c = '3' |
| case <-end: |
| if g := string(got); g != want { |
| fmt.Printf("got %q, want %q\n", g, want) |
| } else { |
| fmt.Println("timers fired as expected") |
| } |
| return |
| } |
| got = append(got, c) |
| } |
| } |
| `, want: "timers fired as expected"}, |
| |
| { |
| name: "old_tour_pkgs_in_gopath", |
| prog: ` |
| package main |
| |
| import ( |
| "code.google.com/p/go-tour/pic" |
| "code.google.com/p/go-tour/reader" |
| "code.google.com/p/go-tour/tree" |
| "code.google.com/p/go-tour/wc" |
| ) |
| |
| var ( |
| _ = pic.Show |
| _ = reader.Validate |
| _ = tree.New |
| _ = wc.Test |
| ) |
| |
| func main() { |
| println("ok") |
| } |
| `, want: "ok"}, |
| { |
| name: "must_be_package_main", |
| prog: ` |
| package test |
| |
| func main() { |
| println("test") |
| } |
| `, want: "", errors: "package name must be main"}, |
| { |
| name: "filesystem_contents", |
| prog: ` |
| package main |
| |
| import ( |
| "fmt" |
| "os" |
| "path/filepath" |
| ) |
| |
| func main() { |
| filepath.Walk("/", func(path string, info os.FileInfo, err error) error { |
| if path == "/proc" || path == "/sys" { |
| return filepath.SkipDir |
| } |
| fmt.Println(path) |
| return nil |
| }) |
| } |
| `, wantFunc: func(got string) error { |
| // The environment for the old nacl sandbox: |
| if strings.TrimSpace(got) == `/ |
| /dev |
| /dev/null |
| /dev/random |
| /dev/urandom |
| /dev/zero |
| /etc |
| /etc/group |
| /etc/hosts |
| /etc/passwd |
| /etc/resolv.conf |
| /tmp |
| /usr |
| /usr/local |
| /usr/local/go |
| /usr/local/go/lib |
| /usr/local/go/lib/time |
| /usr/local/go/lib/time/zoneinfo.zip` { |
| return nil |
| } |
| have := map[string]bool{} |
| for _, f := range strings.Split(got, "\n") { |
| have[f] = true |
| } |
| for _, expect := range []string{ |
| "/.dockerenv", |
| "/etc/hostname", |
| "/dev/zero", |
| "/lib/ld-linux-x86-64.so.2", |
| "/lib/libc.so.6", |
| "/etc/nsswitch.conf", |
| "/bin/env", |
| "/tmpfs", |
| } { |
| if !have[expect] { |
| return fmt.Errorf("missing expected sandbox file %q; got:\n%s", expect, got) |
| } |
| } |
| return nil |
| }, |
| }, |
| { |
| name: "test_passes", |
| prog: ` |
| package main |
| |
| import "testing" |
| |
| func TestSanity(t *testing.T) { |
| if 1+1 != 2 { |
| t.Error("uhh...") |
| } |
| } |
| `, want: `=== RUN TestSanity |
| --- PASS: TestSanity (0.00s) |
| PASS`}, |
| |
| { |
| name: "test_without_import", |
| prog: ` |
| package main |
| |
| func TestSanity(t *testing.T) { |
| t.Error("uhh...") |
| } |
| |
| func ExampleNotExecuted() { |
| // Output: it should not run |
| } |
| `, want: "", errors: "./prog.go:4:20: undefined: testing\n"}, |
| |
| { |
| name: "test_with_import_ignored", |
| prog: ` |
| package main |
| |
| import ( |
| "fmt" |
| "testing" |
| ) |
| |
| func TestSanity(t *testing.T) { |
| t.Error("uhh...") |
| } |
| |
| func main() { |
| fmt.Println("test") |
| } |
| `, want: "test"}, |
| |
| { |
| name: "example_runs", |
| prog: ` |
| package main//comment |
| |
| import "fmt" |
| |
| func ExampleOutput() { |
| fmt.Println("The output") |
| // Output: The output |
| } |
| `, want: `=== RUN ExampleOutput |
| --- PASS: ExampleOutput (0.00s) |
| PASS`}, |
| |
| { |
| name: "example_unordered", |
| prog: ` |
| package main//comment |
| |
| import "fmt" |
| |
| func ExampleUnorderedOutput() { |
| fmt.Println("2") |
| fmt.Println("1") |
| fmt.Println("3") |
| // Unordered output: 3 |
| // 2 |
| // 1 |
| } |
| `, want: `=== RUN ExampleUnorderedOutput |
| --- PASS: ExampleUnorderedOutput (0.00s) |
| PASS`}, |
| |
| { |
| name: "example_fail", |
| prog: ` |
| package main |
| |
| import "fmt" |
| |
| func ExampleEmptyOutput() { |
| // Output: |
| } |
| |
| func ExampleEmptyOutputFail() { |
| fmt.Println("1") |
| // Output: |
| } |
| `, want: `=== RUN ExampleEmptyOutput |
| --- PASS: ExampleEmptyOutput (0.00s) |
| === RUN ExampleEmptyOutputFail |
| --- FAIL: ExampleEmptyOutputFail (0.00s) |
| got: |
| 1 |
| want: |
| |
| FAIL`}, |
| |
| // Run program without executing this example function. |
| { |
| name: "example_no_output_skips_run", |
| prog: ` |
| package main |
| |
| func ExampleNoOutput() { |
| panic(1) |
| } |
| `, want: `testing: warning: no tests to run |
| PASS`}, |
| |
| { |
| name: "example_output", |
| prog: ` |
| package main |
| |
| import "fmt" |
| |
| func ExampleShouldNotRun() { |
| fmt.Println("The output") |
| // Output: The output |
| } |
| |
| func main() { |
| fmt.Println("Main") |
| } |
| `, want: "Main"}, |
| |
| { |
| name: "stdout_stderr_merge", |
| prog: ` |
| package main |
| |
| import ( |
| "fmt" |
| "os" |
| ) |
| |
| func main() { |
| fmt.Fprintln(os.Stdout, "A") |
| fmt.Fprintln(os.Stderr, "B") |
| fmt.Fprintln(os.Stdout, "A") |
| fmt.Fprintln(os.Stdout, "A") |
| } |
| `, want: "A\nB\nA\nA\n"}, |
| |
| // Integration test for runtime.write fake timestamps. |
| { |
| name: "faketime_write_interaction", |
| prog: ` |
| package main |
| |
| import ( |
| "fmt" |
| "os" |
| "time" |
| ) |
| |
| func main() { |
| fmt.Fprintln(os.Stdout, "A") |
| fmt.Fprintln(os.Stderr, "B") |
| fmt.Fprintln(os.Stdout, "A") |
| fmt.Fprintln(os.Stdout, "A") |
| time.Sleep(time.Second) |
| fmt.Fprintln(os.Stderr, "B") |
| time.Sleep(time.Second) |
| fmt.Fprintln(os.Stdout, "A") |
| } |
| `, wantEvents: []Event{ |
| {"A\n", "stdout", 0}, |
| {"B\n", "stderr", time.Nanosecond}, |
| {"A\nA\n", "stdout", time.Nanosecond}, |
| {"B\n", "stderr", time.Second - 2*time.Nanosecond}, |
| {"A\n", "stdout", time.Second}, |
| }}, |
| |
| { |
| name: "third_party_imports", |
| prog: ` |
| package main |
| import ("fmt"; "github.com/bradfitz/iter") |
| func main() { for i := range iter.N(5) { fmt.Println(i) } } |
| `, |
| want: "0\n1\n2\n3\n4\n", |
| }, |
| |
| { |
| name: "compile_with_vet", |
| withVet: true, |
| wantVetErrors: "./prog.go:5:2: Printf format %v reads arg #1, but call has 0 args\n", |
| prog: ` |
| package main |
| import "fmt" |
| func main() { |
| fmt.Printf("hi %v") |
| } |
| `, |
| }, |
| |
| { |
| name: "compile_without_vet", |
| withVet: false, |
| prog: ` |
| package main |
| import "fmt" |
| func main() { |
| fmt.Printf("hi %v") |
| } |
| `, |
| }, |
| |
| { |
| name: "compile_modules_with_vet", |
| withVet: true, |
| wantVetErrors: "./prog.go:6:2: Printf format %v reads arg #1, but call has 0 args\n", |
| prog: ` |
| package main |
| import ("fmt"; "github.com/bradfitz/iter") |
| func main() { |
| for i := range iter.N(5) { fmt.Println(i) } |
| fmt.Printf("hi %v") |
| } |
| `, |
| }, |
| |
| { |
| name: "multi_file_basic", |
| prog: ` |
| package main |
| const foo = "bar" |
| |
| -- two.go -- |
| package main |
| func main() { |
| println(foo) |
| } |
| `, |
| wantEvents: []Event{ |
| {"bar\n", "stderr", 0}, |
| }, |
| }, |
| |
| { |
| name: "multi_file_use_package", |
| withVet: true, |
| prog: ` |
| package main |
| |
| import "play.test/foo" |
| |
| func main() { |
| foo.Hello() |
| } |
| |
| -- go.mod -- |
| module play.test |
| |
| -- foo/foo.go -- |
| package foo |
| |
| import "fmt" |
| |
| func Hello() { fmt.Println("hello world") } |
| `, |
| }, |
| { |
| name: "timeouts_handled_gracefully", |
| prog: ` |
| package main |
| |
| import ( |
| "time" |
| ) |
| |
| func main() { |
| c := make(chan struct{}) |
| |
| go func() { |
| defer close(c) |
| for { |
| time.Sleep(10 * time.Millisecond) |
| } |
| }() |
| |
| <-c |
| } |
| `, want: "timeout running program"}, |
| } |