Simulate a git branch switch that creates a bunch of directories, creates files in them, then deletes them all quickly. Make sure there are no errors.
(t *testing.T)
| 99 | // of directories, creates files in them, then deletes |
| 100 | // them all quickly. Make sure there are no errors. |
| 101 | func TestGitBranchSwitch(t *testing.T) { |
| 102 | f := newNotifyFixture(t) |
| 103 | |
| 104 | count := 10 |
| 105 | dirs := make([]string, count) |
| 106 | for i := range dirs { |
| 107 | dir := f.TempDir("watched") |
| 108 | dirs[i] = dir |
| 109 | f.watch(dir) |
| 110 | } |
| 111 | |
| 112 | f.fsync() |
| 113 | f.events = nil |
| 114 | |
| 115 | // consume all the events in the background |
| 116 | ctx, cancel := context.WithCancel(t.Context()) |
| 117 | done := f.consumeEventsInBackground(ctx) |
| 118 | |
| 119 | for i, dir := range dirs { |
| 120 | for j := range count { |
| 121 | base := fmt.Sprintf("x/y/dir-%d/x.txt", j) |
| 122 | p := filepath.Join(dir, base) |
| 123 | f.WriteFile(p, "contents") |
| 124 | } |
| 125 | |
| 126 | if i != 0 { |
| 127 | err := os.RemoveAll(dir) |
| 128 | assert.NilError(t, err) |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | cancel() |
| 133 | err := <-done |
| 134 | if err != nil { |
| 135 | t.Fatal(err) |
| 136 | } |
| 137 | |
| 138 | f.fsync() |
| 139 | f.events = nil |
| 140 | |
| 141 | // Make sure the watch on the first dir still works. |
| 142 | dir := dirs[0] |
| 143 | path := filepath.Join(dir, "change") |
| 144 | |
| 145 | f.WriteFile(path, "hello\n") |
| 146 | f.fsync() |
| 147 | |
| 148 | f.assertEvents(path) |
| 149 | |
| 150 | // Make sure there are no errors in the out stream |
| 151 | assert.Assert(t, f.out.String() == "") |
| 152 | } |
| 153 | |
| 154 | func TestWatchesAreRecursive(t *testing.T) { |
| 155 | f := newNotifyFixture(t) |
nothing calls this directly
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