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Merge pull request #157 from dnephin/fix-watch
filewatcher: fix a bug with maxDepth and comparing event.Op
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,159 @@ | ||
package filewatcher | ||
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import ( | ||
"fmt" | ||
"path/filepath" | ||
"testing" | ||
"time" | ||
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"github.com/fsnotify/fsnotify" | ||
"gotest.tools/v3/assert" | ||
"gotest.tools/v3/env" | ||
"gotest.tools/v3/fs" | ||
) | ||
|
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func TestHandler_HandleEvent(t *testing.T) { | ||
type testCase struct { | ||
name string | ||
last time.Time | ||
expectedRun bool | ||
event fsnotify.Event | ||
} | ||
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fn := func(t *testing.T, tc testCase) { | ||
var ran bool | ||
run := func(pkg string) error { | ||
ran = true | ||
return nil | ||
} | ||
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h := handler{last: tc.last, fn: run} | ||
err := h.handleEvent(tc.event) | ||
assert.NilError(t, err) | ||
assert.Equal(t, ran, tc.expectedRun) | ||
if tc.expectedRun { | ||
assert.Assert(t, !h.last.IsZero()) | ||
} | ||
} | ||
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var testCases = []testCase{ | ||
{ | ||
name: "Op is rename", | ||
event: fsnotify.Event{Op: fsnotify.Rename, Name: "file_test.go"}, | ||
}, | ||
{ | ||
name: "Op is remove", | ||
event: fsnotify.Event{Op: fsnotify.Remove, Name: "file_test.go"}, | ||
}, | ||
{ | ||
name: "Op is chmod", | ||
event: fsnotify.Event{Op: fsnotify.Chmod, Name: "file_test.go"}, | ||
}, | ||
{ | ||
name: "Op is write+chmod", | ||
event: fsnotify.Event{Op: fsnotify.Write | fsnotify.Chmod, Name: "file_test.go"}, | ||
expectedRun: true, | ||
}, | ||
{ | ||
name: "Op is write", | ||
event: fsnotify.Event{Op: fsnotify.Write, Name: "file_test.go"}, | ||
expectedRun: true, | ||
}, | ||
{ | ||
name: "Op is create", | ||
event: fsnotify.Event{Op: fsnotify.Create, Name: "file_test.go"}, | ||
expectedRun: true, | ||
}, | ||
{ | ||
name: "file is not a go file", | ||
event: fsnotify.Event{Op: fsnotify.Write, Name: "readme.md"}, | ||
}, | ||
{ | ||
name: "under flood threshold", | ||
event: fsnotify.Event{Op: fsnotify.Create, Name: "file_test.go"}, | ||
last: time.Now(), | ||
}, | ||
} | ||
for _, tc := range testCases { | ||
t.Run(tc.name, func(t *testing.T) { | ||
fn(t, tc) | ||
}) | ||
} | ||
} | ||
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func TestHasGoFiles(t *testing.T) { | ||
t.Run("none", func(t *testing.T) { | ||
tmpDir := fs.NewDir(t, t.Name(), fs.WithFile("readme.md", "")) | ||
defer tmpDir.Remove() | ||
assert.Assert(t, !hasGoFiles(tmpDir.Path())) | ||
}) | ||
t.Run("empty", func(t *testing.T) { | ||
tmpDir := fs.NewDir(t, t.Name()) | ||
defer tmpDir.Remove() | ||
assert.Assert(t, !hasGoFiles(tmpDir.Path())) | ||
}) | ||
t.Run("some go files", func(t *testing.T) { | ||
tmpDir := fs.NewDir(t, t.Name(), fs.WithFile("main.go", "")) | ||
defer tmpDir.Remove() | ||
assert.Assert(t, hasGoFiles(tmpDir.Path())) | ||
}) | ||
t.Run("many go files", func(t *testing.T) { | ||
tmpDir := fs.NewDir(t, t.Name()) | ||
for i := 0; i < 47; i++ { | ||
fs.Apply(t, tmpDir, fs.WithFile(fmt.Sprintf("file%d.go", i), "")) | ||
} | ||
defer tmpDir.Remove() | ||
assert.Assert(t, hasGoFiles(tmpDir.Path())) | ||
}) | ||
} | ||
|
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func TestFindAllDirs(t *testing.T) { | ||
goFile := fs.WithFile("file.go", "") | ||
dirOne := fs.NewDir(t, t.Name(), | ||
goFile, | ||
fs.WithFile("not-a-dir", ""), | ||
fs.WithDir("no-go-files"), | ||
fs.WithDir(".starts-with-dot", goFile)) | ||
defer dirOne.Remove() | ||
var path string | ||
for i := 1; i <= 10; i++ { | ||
path = filepath.Join(path, fmt.Sprintf("%d", i)) | ||
var ops []fs.PathOp | ||
if i != 4 && i != 5 { | ||
ops = []fs.PathOp{goFile} | ||
} | ||
fs.Apply(t, dirOne, fs.WithDir(path, ops...)) | ||
} | ||
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dirTwo := fs.NewDir(t, t.Name(), | ||
goFile, | ||
// subdir should be ignored, dirTwo is used without /... suffix | ||
fs.WithDir("subdir", goFile)) | ||
defer dirTwo.Remove() | ||
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dirs := findAllDirs([]string{dirOne.Path() + "/...", dirTwo.Path()}, maxDepth) | ||
expected := []string{ | ||
dirOne.Path(), | ||
dirOne.Join("1"), | ||
dirOne.Join("1/2"), | ||
dirOne.Join("1/2/3"), | ||
dirOne.Join("1/2/3/4/5/6"), | ||
dirOne.Join("1/2/3/4/5/6/7"), | ||
dirTwo.Path(), | ||
} | ||
assert.DeepEqual(t, dirs, expected) | ||
} | ||
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func TestFindAllDirs_DefaultPath(t *testing.T) { | ||
goFile := fs.WithFile("file.go", "") | ||
dirOne := fs.NewDir(t, t.Name(), | ||
goFile, | ||
fs.WithDir("a", goFile), | ||
fs.WithDir("b", goFile)) | ||
defer dirOne.Remove() | ||
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defer env.ChangeWorkingDir(t, dirOne.Path())() | ||
dirs := findAllDirs([]string{}, maxDepth) | ||
expected := []string{".", "a", "b"} | ||
assert.DeepEqual(t, dirs, expected) | ||
} |