35 lines
1015 B
Go
35 lines
1015 B
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package tail
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import (
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"io"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestReadNewTail(t *testing.T) {
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// Read should return (0, io.EOF) before first
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// attemptOpen.
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tail, err := newTail("test/nonexist/file")
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assert.NoError(t, err)
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buf := make([]byte, 0, 100)
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n, err := tail.Read(buf)
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assert.Equal(t, n, 0)
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assert.Equal(t, len(buf), 0)
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assert.EqualError(t, err, io.EOF.Error())
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}
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