--- /dev/null
+// Copyright 2019 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.
+
+// Package cmdtest contains the test suite for the command line behavior of gopls.
+package cmdtest
+
+import (
+ "bytes"
+ "context"
+ "fmt"
+ "io"
+ "os"
+ "sync"
+ "testing"
+
+ "golang.org/x/tools/internal/jsonrpc2/servertest"
+ "golang.org/x/tools/internal/lsp/cache"
+ "golang.org/x/tools/internal/lsp/cmd"
+ "golang.org/x/tools/internal/lsp/debug"
+ "golang.org/x/tools/internal/lsp/lsprpc"
+ "golang.org/x/tools/internal/lsp/protocol"
+ "golang.org/x/tools/internal/lsp/source"
+ "golang.org/x/tools/internal/lsp/tests"
+ "golang.org/x/tools/internal/span"
+ "golang.org/x/tools/internal/tool"
+)
+
+type runner struct {
+ data *tests.Data
+ ctx context.Context
+ options func(*source.Options)
+ normalizers []tests.Normalizer
+ remote string
+}
+
+func TestCommandLine(t *testing.T, testdata string, options func(*source.Options)) {
+ // On Android, the testdata directory is not copied to the runner.
+ if stat, err := os.Stat(testdata); err != nil || !stat.IsDir() {
+ t.Skip("testdata directory not present")
+ }
+ tests.RunTests(t, testdata, false, func(t *testing.T, datum *tests.Data) {
+ ctx := tests.Context(t)
+ ts := NewTestServer(ctx, options)
+ tests.Run(t, NewRunner(datum, ctx, ts.Addr, options), datum)
+ cmd.CloseTestConnections(ctx)
+ })
+}
+
+func NewTestServer(ctx context.Context, options func(*source.Options)) *servertest.TCPServer {
+ ctx = debug.WithInstance(ctx, "", "")
+ cache := cache.New(ctx, options)
+ ss := lsprpc.NewStreamServer(cache, false)
+ return servertest.NewTCPServer(ctx, ss, nil)
+}
+
+func NewRunner(data *tests.Data, ctx context.Context, remote string, options func(*source.Options)) *runner {
+ return &runner{
+ data: data,
+ ctx: ctx,
+ options: options,
+ normalizers: tests.CollectNormalizers(data.Exported),
+ remote: remote,
+ }
+}
+
+func (r *runner) CodeLens(t *testing.T, uri span.URI, want []protocol.CodeLens) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) Completion(t *testing.T, src span.Span, test tests.Completion, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) CompletionSnippet(t *testing.T, src span.Span, expected tests.CompletionSnippet, placeholders bool, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) UnimportedCompletion(t *testing.T, src span.Span, test tests.Completion, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) DeepCompletion(t *testing.T, src span.Span, test tests.Completion, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) FuzzyCompletion(t *testing.T, src span.Span, test tests.Completion, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) CaseSensitiveCompletion(t *testing.T, src span.Span, test tests.Completion, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) RankCompletion(t *testing.T, src span.Span, test tests.Completion, items tests.CompletionItems) {
+ //TODO: add command line completions tests when it works
+}
+
+func (r *runner) FunctionExtraction(t *testing.T, start span.Span, end span.Span) {
+ //TODO: function extraction not supported on command line
+}
+
+func (r *runner) runGoplsCmd(t testing.TB, args ...string) (string, string) {
+ rStdout, wStdout, err := os.Pipe()
+ if err != nil {
+ t.Fatal(err)
+ }
+ oldStdout := os.Stdout
+ rStderr, wStderr, err := os.Pipe()
+ if err != nil {
+ t.Fatal(err)
+ }
+ oldStderr := os.Stderr
+ stdout, stderr := &bytes.Buffer{}, &bytes.Buffer{}
+ var wg sync.WaitGroup
+ wg.Add(2)
+ go func() {
+ io.Copy(stdout, rStdout)
+ wg.Done()
+ }()
+ go func() {
+ io.Copy(stderr, rStderr)
+ wg.Done()
+ }()
+ os.Stdout, os.Stderr = wStdout, wStderr
+ app := cmd.New("gopls-test", r.data.Config.Dir, r.data.Exported.Config.Env, r.options)
+ remote := r.remote
+ err = tool.Run(tests.Context(t),
+ app,
+ append([]string{fmt.Sprintf("-remote=internal@%s", remote)}, args...))
+ if err != nil {
+ fmt.Fprint(os.Stderr, err)
+ }
+ wStdout.Close()
+ wStderr.Close()
+ wg.Wait()
+ os.Stdout, os.Stderr = oldStdout, oldStderr
+ rStdout.Close()
+ rStderr.Close()
+ return stdout.String(), stderr.String()
+}
+
+// NormalizeGoplsCmd runs the gopls command and normalizes its output.
+func (r *runner) NormalizeGoplsCmd(t testing.TB, args ...string) (string, string) {
+ stdout, stderr := r.runGoplsCmd(t, args...)
+ return r.Normalize(stdout), r.Normalize(stderr)
+}
+
+func (r *runner) Normalize(s string) string {
+ return tests.Normalize(s, r.normalizers)
+}
+
+func (r *runner) NormalizePrefix(s string) string {
+ return tests.NormalizePrefix(s, r.normalizers)
+}
projects / dotfiles / .git / blobdiff