forked from jackdesert/dvr
/
gzipper_test.go
79 lines (70 loc) · 2.02 KB
/
gzipper_test.go
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// Copyright 2014 Orchestrate, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package dvr
import (
"compress/gzip"
"os"
"testing"
"github.com/liquidgecka/testlib"
)
func TestGzipper(t *testing.T) {
T := testlib.NewT(t)
defer T.Finish()
// Ensure that the bad arg conditions to not work.
func() {
forcePanic := func(i int) { panic(i) }
defer func() {
err := recover()
if err != nil {
T.Fatalf("Unexpected panic: %#v\n", err)
}
}()
initGzipper([]string{"XXX"}, nil, nil, forcePanic)
initGzipper([]string{"XXX", "YYY"}, nil, nil, forcePanic)
}()
// Setup files that we will use for input/output for the function.
data := []byte("A test string that should always make it through.")
in := T.TempFile()
out := T.TempFile()
// Write the uncompressed data to the input file.
_, err := in.Write(data)
T.ExpectSuccess(err)
_, err = in.Seek(0, 0)
T.ExpectSuccess(err)
// call the gzipper initializer.
func() {
defer func() {
err := recover()
if err != nil {
T.Fatalf("Unexpected error: %#v\n", err)
}
}()
exited := false
exit := func(i int) {
exited = true
}
initGzipper([]string{os.Args[0], InterceptorToken}, in, out, exit)
T.Equal(exited, true)
}()
// Read the data back and ensure that it matches what we wrote in.
fd, err := os.Open(out.Name())
T.ExpectSuccess(err)
reader, err := gzip.NewReader(fd)
T.ExpectSuccess(err)
var readData []byte = make([]byte, 1024)
n, err := reader.Read(readData)
T.ExpectSuccess(err)
T.Equal(n, len(data))
T.Equal(readData[0:n], data)
}