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cf799caead
This is an alternative to CL 241739, preserving the exiting variadic options pattern and just adding a helper method to put the options up front. All things considered, I think this is better. CL 241739 was too complicated, and being able to reuse "curried" runners isn't actually important. Updates golang/go#39384 Change-Id: I7ecd80d310cac879520b2d1feebcf5bd5e96e89b Reviewed-on: https://go-review.googlesource.com/c/tools/+/243057 Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package regtest
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import (
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"context"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"time"
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"golang.org/x/tools/internal/lsp/cmd"
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"golang.org/x/tools/internal/tool"
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)
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var (
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runSubprocessTests = flag.Bool("enable_gopls_subprocess_tests", false, "run regtests against a gopls subprocess")
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goplsBinaryPath = flag.String("gopls_test_binary", "", "path to the gopls binary for use as a remote, for use with the -enable_gopls_subprocess_tests flag")
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regtestTimeout = flag.Duration("regtest_timeout", 20*time.Second, "default timeout for each regtest")
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skipCleanup = flag.Bool("regtest_skip_cleanup", false, "whether to skip cleaning up temp directories")
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printGoroutinesOnFailure = flag.Bool("regtest_print_goroutines", false, "whether to print goroutines info on failure")
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)
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var runner *Runner
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func run(t *testing.T, files string, f TestFunc) {
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runner.Run(t, files, f)
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}
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func withOptions(opts ...RunOption) configuredRunner {
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return configuredRunner{opts: opts}
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}
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type configuredRunner struct {
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opts []RunOption
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}
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func (r configuredRunner) run(t *testing.T, files string, f TestFunc) {
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runner.Run(t, files, f, r.opts...)
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}
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func TestMain(m *testing.M) {
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flag.Parse()
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if os.Getenv("_GOPLS_TEST_BINARY_RUN_AS_GOPLS") == "true" {
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tool.Main(context.Background(), cmd.New("gopls", "", nil, nil), os.Args[1:])
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os.Exit(0)
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}
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runner = &Runner{
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DefaultModes: NormalModes,
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Timeout: *regtestTimeout,
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PrintGoroutinesOnFailure: *printGoroutinesOnFailure,
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SkipCleanup: *skipCleanup,
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}
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if *runSubprocessTests {
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goplsPath := *goplsBinaryPath
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if goplsPath == "" {
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var err error
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goplsPath, err = os.Executable()
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if err != nil {
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panic(fmt.Sprintf("finding test binary path: %v", err))
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}
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}
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runner.DefaultModes = NormalModes | SeparateProcess
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runner.GoplsPath = goplsPath
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}
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dir, err := ioutil.TempDir("", "gopls-regtest-")
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if err != nil {
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panic(fmt.Errorf("creating regtest temp directory: %v", err))
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}
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runner.TempDir = dir
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code := m.Run()
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if err := runner.Close(); err != nil {
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fmt.Fprintf(os.Stderr, "closing test runner: %v\n", err)
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os.Exit(1)
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}
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os.Exit(code)
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}
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