58 lines
1.9 KiB
Go
58 lines
1.9 KiB
Go
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package cerr
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import (
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"errors"
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"fmt"
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"testing"
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)
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func TestConstError(t *testing.T) {
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const cerr1 = Error("some-string")
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const cerr2 = Error("some-other-string")
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const cerr3 = Error("some-string") // same const value as @cerr1
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if cerr1.Error() == cerr2.Error() {
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t.Errorf("cerr1 should not be equal to cerr2 ('%s', '%s')", cerr1.Error(), cerr2.Error())
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}
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if cerr2.Error() == cerr3.Error() {
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t.Errorf("cerr2 should not be equal to cerr3 ('%s', '%s')", cerr2.Error(), cerr3.Error())
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}
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if cerr1.Error() != cerr3.Error() {
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t.Errorf("cerr1 should be equal to cerr3 ('%s', '%s')", cerr1.Error(), cerr3.Error())
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}
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}
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func TestWrappedConstError(t *testing.T) {
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const parent = Error("file error")
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const readErrorConst = Error("cannot read file")
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var wrappedReadError = parent.Wrap(readErrorConst)
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expectedWrappedReadError := fmt.Sprintf("%s: %s", parent.Error(), readErrorConst.Error())
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if wrappedReadError.Error() != expectedWrappedReadError {
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t.Errorf("expected '%s' (got '%s')", wrappedReadError.Error(), expectedWrappedReadError)
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}
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}
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func TestWrappedStandardError(t *testing.T) {
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const parent = Error("file error")
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var writeErrorStandard error = errors.New("cannot write file")
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var wrappedWriteError = parent.Wrap(writeErrorStandard)
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expectedWrappedWriteError := fmt.Sprintf("%s: %s", parent.Error(), writeErrorStandard.Error())
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if wrappedWriteError.Error() != expectedWrappedWriteError {
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t.Errorf("expected '%s' (got '%s')", wrappedWriteError.Error(), expectedWrappedWriteError)
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}
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}
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func TestWrappedStringError(t *testing.T) {
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const parent = Error("file error")
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var closeErrorString string = "cannot close file"
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var wrappedCloseError = parent.WrapString(closeErrorString)
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expectedWrappedCloseError := fmt.Sprintf("%s: %s", parent.Error(), closeErrorString)
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if wrappedCloseError.Error() != expectedWrappedCloseError {
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t.Errorf("expected '%s' (got '%s')", wrappedCloseError.Error(), expectedWrappedCloseError)
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}
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}
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