Giant blob of minor changes
[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201105173854-bc9fc8d8c4bc / internal / lsp / fake / workdir_test.go
diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/fake/workdir_test.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/fake/workdir_test.go
new file mode 100644 (file)
index 0000000..e51f8c0
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@@ -0,0 +1,190 @@
+// 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 fake
+
+import (
+       "context"
+       "io/ioutil"
+       "os"
+       "sort"
+       "testing"
+       "time"
+
+       "golang.org/x/tools/internal/lsp/protocol"
+)
+
+const data = `
+-- go.mod --
+go 1.12
+-- nested/README.md --
+Hello World!
+`
+
+func newWorkdir(t *testing.T) (*Workdir, <-chan []FileEvent, func()) {
+       t.Helper()
+
+       tmpdir, err := ioutil.TempDir("", "goplstest-workdir-")
+       if err != nil {
+               t.Fatal(err)
+       }
+       wd := NewWorkdir(tmpdir)
+       if err := wd.writeInitialFiles(data); err != nil {
+               t.Fatal(err)
+       }
+       cleanup := func() {
+               if err := os.RemoveAll(tmpdir); err != nil {
+                       t.Error(err)
+               }
+       }
+
+       fileEvents := make(chan []FileEvent)
+       watch := func(_ context.Context, events []FileEvent) {
+               fileEvents <- events
+       }
+       wd.AddWatcher(watch)
+       return wd, fileEvents, cleanup
+}
+
+func TestWorkdir_ReadFile(t *testing.T) {
+       wd, _, cleanup := newWorkdir(t)
+       defer cleanup()
+
+       got, err := wd.ReadFile("nested/README.md")
+       if err != nil {
+               t.Fatal(err)
+       }
+       want := "Hello World!\n"
+       if got != want {
+               t.Errorf("reading workdir file, got %q, want %q", got, want)
+       }
+}
+
+func TestWorkdir_WriteFile(t *testing.T) {
+       wd, events, cleanup := newWorkdir(t)
+       defer cleanup()
+       ctx := context.Background()
+
+       tests := []struct {
+               path     string
+               wantType protocol.FileChangeType
+       }{
+               {"data.txt", protocol.Created},
+               {"nested/README.md", protocol.Changed},
+       }
+
+       for _, test := range tests {
+               if err := wd.WriteFile(ctx, test.path, "42"); err != nil {
+                       t.Fatal(err)
+               }
+               es := <-events
+               if got := len(es); got != 1 {
+                       t.Fatalf("len(events) = %d, want 1", got)
+               }
+               if es[0].Path != test.path {
+                       t.Errorf("event.Path = %q, want %q", es[0].Path, test.path)
+               }
+               if es[0].ProtocolEvent.Type != test.wantType {
+                       t.Errorf("event type = %v, want %v", es[0].ProtocolEvent.Type, test.wantType)
+               }
+               got, err := wd.ReadFile(test.path)
+               if err != nil {
+                       t.Fatal(err)
+               }
+               want := "42"
+               if got != want {
+                       t.Errorf("ws.ReadFile(%q) = %q, want %q", test.path, got, want)
+               }
+       }
+}
+
+func TestWorkdir_ListFiles(t *testing.T) {
+       wd, _, cleanup := newWorkdir(t)
+       defer cleanup()
+
+       checkFiles := func(dir string, want []string) {
+               files, err := wd.ListFiles(dir)
+               if err != nil {
+                       t.Fatal(err)
+               }
+               sort.Strings(want)
+               var got []string
+               for p := range files {
+                       got = append(got, p)
+               }
+               sort.Strings(got)
+               if len(got) != len(want) {
+                       t.Fatalf("ListFiles(): len = %d, want %d; got=%v; want=%v", len(got), len(want), got, want)
+               }
+               for i, f := range got {
+                       if f != want[i] {
+                               t.Errorf("ListFiles()[%d] = %s, want %s", i, f, want[i])
+                       }
+               }
+       }
+
+       checkFiles(".", []string{"go.mod", "nested/README.md"})
+       checkFiles("nested", []string{"nested/README.md"})
+}
+
+func TestWorkdir_CheckForFileChanges(t *testing.T) {
+       t.Skip("broken on darwin-amd64-10_12")
+       wd, events, cleanup := newWorkdir(t)
+       defer cleanup()
+       ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+       defer cancel()
+
+       checkChange := func(path string, typ protocol.FileChangeType) {
+               if err := wd.CheckForFileChanges(ctx); err != nil {
+                       t.Fatal(err)
+               }
+               var gotEvt FileEvent
+               select {
+               case <-ctx.Done():
+                       t.Fatal(ctx.Err())
+               case ev := <-events:
+                       gotEvt = ev[0]
+               }
+               // Only check relative path and Type
+               if gotEvt.Path != path || gotEvt.ProtocolEvent.Type != typ {
+                       t.Errorf("file events: got %v, want {Path: %s, Type: %v}", gotEvt, path, typ)
+               }
+       }
+       // Sleep some positive amount of time to ensure a distinct mtime.
+       time.Sleep(100 * time.Millisecond)
+       if err := WriteFileData("go.mod", []byte("module foo.test\n"), wd.RelativeTo); err != nil {
+               t.Fatal(err)
+       }
+       checkChange("go.mod", protocol.Changed)
+       if err := WriteFileData("newFile", []byte("something"), wd.RelativeTo); err != nil {
+               t.Fatal(err)
+       }
+       checkChange("newFile", protocol.Created)
+       fp := wd.AbsPath("newFile")
+       if err := os.Remove(fp); err != nil {
+               t.Fatal(err)
+       }
+       checkChange("newFile", protocol.Deleted)
+}
+
+func TestSplitModuleVersionPath(t *testing.T) {
+       tests := []struct {
+               path                                string
+               wantModule, wantVersion, wantSuffix string
+       }{
+               {"foo.com@v1.2.3/bar", "foo.com", "v1.2.3", "bar"},
+               {"foo.com/module@v1.2.3/bar", "foo.com/module", "v1.2.3", "bar"},
+               {"foo.com@v1.2.3", "foo.com", "v1.2.3", ""},
+               {"std@v1.14.0", "std", "v1.14.0", ""},
+               {"another/module/path", "another/module/path", "", ""},
+       }
+
+       for _, test := range tests {
+               module, version, suffix := splitModuleVersionPath(test.path)
+               if module != test.wantModule || version != test.wantVersion || suffix != test.wantSuffix {
+                       t.Errorf("splitModuleVersionPath(%q) =\n\t(%q, %q, %q)\nwant\n\t(%q, %q, %q)",
+                               test.path, module, version, suffix, test.wantModule, test.wantVersion, test.wantSuffix)
+               }
+       }
+}