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// Copyright 2020 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 cache
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"testing"
"golang.org/x/tools/internal/lsp/fake"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/span"
)
func TestCaseInsensitiveFilesystem(t *testing.T) {
base, err := ioutil.TempDir("", t.Name())
if err != nil {
t.Fatal(err)
}
inner := filepath.Join(base, "a/B/c/DEFgh")
if err := os.MkdirAll(inner, 0777); err != nil {
t.Fatal(err)
}
file := filepath.Join(inner, "f.go")
if err := ioutil.WriteFile(file, []byte("hi"), 0777); err != nil {
t.Fatal(err)
}
if _, err := os.Stat(filepath.Join(inner, "F.go")); err != nil {
t.Skip("filesystem is case-sensitive")
}
tests := []struct {
path string
err bool
}{
{file, false},
{filepath.Join(inner, "F.go"), true},
{filepath.Join(base, "a/b/c/defgh/f.go"), true},
}
for _, tt := range tests {
err := checkPathCase(tt.path)
if err != nil != tt.err {
t.Errorf("checkPathCase(%q) = %v, wanted error: %v", tt.path, err, tt.err)
}
}
}
func TestFindWorkspaceRoot(t *testing.T) {
workspace := `
-- a/go.mod --
module a
-- a/x/x.go
package x
-- a/x/y/y.go
package x
-- b/go.mod --
module b
-- b/c/go.mod --
module bc
-- d/gopls.mod --
module d-goplsworkspace
-- d/e/go.mod --
module de
-- f/g/go.mod --
module fg
`
dir, err := fake.Tempdir(fake.UnpackTxt(workspace))
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
tests := []struct {
folder, want string
experimental bool
}{
{"", "", false}, // no module at root, and more than one nested module
{"a", "a", false},
{"a/x", "a", false},
{"a/x/y", "a", false},
{"b/c", "b/c", false},
{"d", "d/e", false},
{"d", "d", true},
{"d/e", "d/e", false},
{"d/e", "d", true},
{"f", "f/g", false},
{"f", "f", true},
}
for _, test := range tests {
ctx := context.Background()
rel := fake.RelativeTo(dir)
folderURI := span.URIFromPath(rel.AbsPath(test.folder))
excludeNothing := func(string) bool { return false }
got, err := findWorkspaceRoot(ctx, folderURI, &osFileSource{}, excludeNothing, test.experimental)
if err != nil {
t.Fatal(err)
}
if gotf, wantf := filepath.Clean(got.Filename()), rel.AbsPath(test.want); gotf != wantf {
t.Errorf("findWorkspaceRoot(%q, %t) = %q, want %q", test.folder, test.experimental, gotf, wantf)
}
}
}
func TestInVendor(t *testing.T) {
for _, tt := range []struct {
path string
inVendor bool
}{
{
path: "foo/vendor/x.go",
inVendor: false,
},
{
path: "foo/vendor/x/x.go",
inVendor: true,
},
{
path: "foo/x.go",
inVendor: false,
},
} {
if got := inVendor(span.URIFromPath(tt.path)); got != tt.inVendor {
t.Errorf("expected %s inVendor %v, got %v", tt.path, tt.inVendor, got)
}
}
}
func TestFilters(t *testing.T) {
tests := []struct {
filters []string
included []string
excluded []string
}{
{
included: []string{"x"},
},
{
filters: []string{"-"},
excluded: []string{"x", "x/a"},
},
{
filters: []string{"-x", "+y"},
included: []string{"y", "y/a", "z"},
excluded: []string{"x", "x/a"},
},
{
filters: []string{"-x", "+x/y", "-x/y/z"},
included: []string{"x/y", "x/y/a", "a"},
excluded: []string{"x", "x/a", "x/y/z/a"},
},
{
filters: []string{"+foobar", "-foo"},
included: []string{"foobar", "foobar/a"},
excluded: []string{"foo", "foo/a"},
},
}
for _, tt := range tests {
opts := &source.Options{}
opts.DirectoryFilters = tt.filters
for _, inc := range tt.included {
if pathExcludedByFilter(inc, "root", "root/gopath/pkg/mod", opts) {
t.Errorf("filters %q excluded %v, wanted included", tt.filters, inc)
}
}
for _, exc := range tt.excluded {
if !pathExcludedByFilter(exc, "root", "root/gopath/pkg/mod", opts) {
t.Errorf("filters %q included %v, wanted excluded", tt.filters, exc)
}
}
}
}
func TestSuffixes(t *testing.T) {
type file struct {
path string
want bool
}
type cases struct {
option []string
files []file
}
tests := []cases{
{[]string{"tmpl", "gotmpl"}, []file{ // default
{"foo", false},
{"foo.tmpl", true},
{"foo.gotmpl", true},
{"tmpl", false},
{"tmpl.go", false}},
},
{[]string{"tmpl", "gotmpl", "html", "gohtml"}, []file{
{"foo.gotmpl", true},
{"foo.html", true},
{"foo.gohtml", true},
{"html", false}},
},
{[]string{"tmpl", "gotmpl", ""}, []file{ // possible user mistake
{"foo.gotmpl", true},
{"foo.go", false},
{"foo", false}},
},
}
for _, a := range tests {
suffixes := a.option
for _, b := range a.files {
got := fileHasExtension(b.path, suffixes)
if got != b.want {
t.Errorf("got %v, want %v, option %q, file %q (%+v)",
got, b.want, a.option, b.path, b)
}
}
}
}
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