91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
/*
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Copyright (c) 2014 VMware, Inc. All Rights Reserved.
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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 progress
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import (
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"io"
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"strings"
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"testing"
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)
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func TestReader(t *testing.T) {
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s := "helloworld"
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ch := make(chan Report, 1)
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pr := NewReader(&dummySinker{ch}, strings.NewReader(s), int64(len(s)))
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var buf [10]byte
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var q Report
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var n int
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var err error
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// Read first byte
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n, err = pr.Read(buf[0:1])
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if n != 1 {
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t.Errorf("Expected n=1, but got: %d", n)
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}
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if err != nil {
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t.Errorf("Error: %s", err)
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}
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q = <-ch
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if q.Error() != nil {
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t.Errorf("Error: %s", err)
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}
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if f := q.Percentage(); f != 10.0 {
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t.Errorf("Expected percentage after 1 byte to be 10%%, but got: %.0f%%", f)
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}
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// Read remaining bytes
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n, err = pr.Read(buf[:])
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if n != 9 {
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t.Errorf("Expected n=1, but got: %d", n)
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}
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if err != nil {
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t.Errorf("Error: %s", err)
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}
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q = <-ch
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if q.Error() != nil {
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t.Errorf("Error: %s", err)
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}
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if f := q.Percentage(); f != 100.0 {
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t.Errorf("Expected percentage after 10 bytes to be 100%%, but got: %.0f%%", f)
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}
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// Read EOF
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_, err = pr.Read(buf[:])
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if err != io.EOF {
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t.Errorf("Expected io.EOF, but got: %s", err)
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}
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// Mark progress reader as done
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pr.Done(io.EOF)
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q = <-ch
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if err != io.EOF {
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t.Errorf("Expected io.EOF, but got: %s", err)
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}
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// Progress channel should be closed after progress reader is marked done
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_, ok := <-ch
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if ok {
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t.Errorf("Expected channel to be closed")
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}
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}
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