46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package watch
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import (
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"io/ioutil"
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"testing"
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)
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func TestFileWatcher(t *testing.T) {
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file, err := ioutil.TempFile("", "fw")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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defer file.Close()
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count := 0
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fw, err := NewFileWatcher(file.Name(), func() {
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count++
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if count != 1 {
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t.Fatalf("expected 1 but returned %v", count)
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}
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})
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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defer fw.Close()
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if count != 0 {
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t.Fatalf("expected 0 but returned %v", count)
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}
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ioutil.WriteFile(file.Name(), []byte{}, 0644)
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}
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