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// 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 cmd_test
import (
"context"
"fmt"
"os"
"path/filepath"
"regexp"
"runtime"
"strings"
"testing"
"golang.org/x/tools/internal/lsp/cmd"
"golang.org/x/tools/internal/lsp/tests"
"golang.org/x/tools/internal/span"
"golang.org/x/tools/internal/tool"
)
const (
expectedDefinitionsCount = 28
expectedTypeDefinitionsCount = 2
)
type godefMode int
const (
plainGodef = godefMode(1 << iota)
jsonGoDef
)
var godefModes = []godefMode{
plainGodef,
jsonGoDef,
}
func TestDefinitionHelpExample(t *testing.T) {
if runtime.GOOS == "android" {
t.Skip("not all source files are available on android")
}
dir, err := os.Getwd()
if err != nil {
t.Errorf("could not get wd: %v", err)
return
}
thisFile := filepath.Join(dir, "definition.go")
baseArgs := []string{"query", "definition"}
expect := regexp.MustCompile(`(?s)^[\w/\\:_-]+flag[/\\]flag.go:\d+:\d+-\d+: defined here as FlagSet struct {.*}$`)
for _, query := range []string{
fmt.Sprintf("%v:%v:%v", thisFile, cmd.ExampleLine, cmd.ExampleColumn),
fmt.Sprintf("%v:#%v", thisFile, cmd.ExampleOffset)} {
args := append(baseArgs, query)
got := captureStdOut(t, func() {
tool.Main(context.Background(), cmd.New("", nil), args)
})
if !expect.MatchString(got) {
t.Errorf("test with %v\nexpected:\n%s\ngot:\n%s", args, expect, got)
}
}
}
func (r *runner) Definition(t *testing.T, data tests.Definitions) {
for _, d := range data {
if d.IsType || d.OnlyHover {
// TODO: support type definition, hover queries
continue
}
d.Src = span.New(d.Src.URI(), span.NewPoint(0, 0, d.Src.Start().Offset()), span.Point{})
for _, mode := range godefModes {
args := []string{"-remote=internal", "query"}
tag := d.Name + "-definition"
if mode&jsonGoDef != 0 {
tag += "-json"
args = append(args, "-json")
}
args = append(args, "definition")
uri := d.Src.URI()
args = append(args, fmt.Sprint(d.Src))
got := captureStdOut(t, func() {
tool.Main(context.Background(), r.app, args)
})
got = normalizePaths(r.data, got)
if mode&jsonGoDef != 0 && runtime.GOOS == "windows" {
got = strings.Replace(got, "file:///", "file://", -1)
}
expect := strings.TrimSpace(string(r.data.Golden(tag, uri.Filename(), func() ([]byte, error) {
return []byte(got), nil
})))
if expect != "" && !strings.HasPrefix(got, expect) {
t.Errorf("definition %v failed with %#v expected:\n%q\ngot:\n%q", tag, args, expect, got)
}
}
}
}
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