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// Copyright (c) The EfficientGo Authors.
// Licensed under the Apache License 2.0.
// Initially copied from Thanos
//
// Copyright (c) The Thanos Authors.
// Licensed under the Apache License 2.0.
package errcapture
import (
"io"
"testing"
"github.com/efficientgo/core/errors"
)
type testCloser struct {
err error
}
func (c testCloser) Close() error {
return c.err
}
func TestDo(t *testing.T) {
for _, tcase := range []struct {
err error
closer io.Closer
expectedErrStr string
}{
{
err: nil,
closer: testCloser{err: nil},
expectedErrStr: "",
},
{
err: errors.New("test"),
closer: testCloser{err: nil},
expectedErrStr: "test",
},
{
err: nil,
closer: testCloser{err: errors.New("test")},
expectedErrStr: "close: test",
},
{
err: errors.New("test"),
closer: testCloser{err: errors.New("test")},
expectedErrStr: "2 errors: test; close: test",
},
} {
if ok := t.Run("", func(t *testing.T) {
ret := tcase.err
Do(&ret, tcase.closer.Close, "close")
if tcase.expectedErrStr == "" {
if ret != nil {
t.Error("Expected error to be nil")
t.Fail()
}
} else {
if ret == nil {
t.Error("Expected error to be not nil")
t.Fail()
}
if tcase.expectedErrStr != ret.Error() {
t.Errorf("%s != %s", tcase.expectedErrStr, ret.Error())
t.Fail()
}
}
}); !ok {
return
}
}
}
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