113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
// Copyright 2015 PingCAP, Inc.
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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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package terror
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import (
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"strings"
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"testing"
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"github.com/juju/errors"
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. "github.com/pingcap/check"
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)
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func TestT(t *testing.T) {
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TestingT(t)
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}
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var _ = Suite(&testTErrorSuite{})
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type testTErrorSuite struct {
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}
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func (s *testTErrorSuite) TestTError(c *C) {
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c.Assert(ClassParser.String(), Not(Equals), "")
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c.Assert(ClassOptimizer.String(), Not(Equals), "")
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c.Assert(ClassKV.String(), Not(Equals), "")
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c.Assert(ClassServer.String(), Not(Equals), "")
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parserErr := ClassParser.New(ErrCode(1), "error 1")
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c.Assert(parserErr.Error(), Not(Equals), "")
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c.Assert(ClassParser.EqualClass(parserErr), IsTrue)
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c.Assert(ClassParser.NotEqualClass(parserErr), IsFalse)
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c.Assert(ClassOptimizer.EqualClass(parserErr), IsFalse)
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optimizerErr := ClassOptimizer.New(ErrCode(2), "abc")
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c.Assert(ClassOptimizer.EqualClass(errors.New("abc")), IsFalse)
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c.Assert(ClassOptimizer.EqualClass(nil), IsFalse)
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c.Assert(optimizerErr.Equal(optimizerErr.Gen("def")), IsTrue)
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c.Assert(optimizerErr.Equal(nil), IsFalse)
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c.Assert(optimizerErr.Equal(errors.New("abc")), IsFalse)
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}
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var predefinedErr = ClassExecutor.New(ErrCode(123), "predefiend error")
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func example() error {
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err := call()
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return errors.Trace(err)
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}
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func call() error {
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return predefinedErr.Gen("error message:%s", "abc")
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}
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func (s *testTErrorSuite) TestTraceAndLocation(c *C) {
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err := example()
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stack := errors.ErrorStack(err)
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lines := strings.Split(stack, "\n")
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c.Assert(len(lines), Equals, 2)
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for _, v := range lines {
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c.Assert(strings.Contains(v, "terror_test.go"), IsTrue)
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}
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}
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func (s *testTErrorSuite) TestErrorEqual(c *C) {
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e1 := errors.New("test error")
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c.Assert(e1, NotNil)
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e2 := errors.Trace(e1)
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c.Assert(e2, NotNil)
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e3 := errors.Trace(e2)
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c.Assert(e3, NotNil)
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c.Assert(errors.Cause(e2), Equals, e1)
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c.Assert(errors.Cause(e3), Equals, e1)
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c.Assert(errors.Cause(e2), Equals, errors.Cause(e3))
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e4 := errors.New("test error")
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c.Assert(errors.Cause(e4), Not(Equals), e1)
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e5 := errors.Errorf("test error")
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c.Assert(errors.Cause(e5), Not(Equals), e1)
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c.Assert(ErrorEqual(e1, e2), IsTrue)
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c.Assert(ErrorEqual(e1, e3), IsTrue)
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c.Assert(ErrorEqual(e1, e4), IsTrue)
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c.Assert(ErrorEqual(e1, e5), IsTrue)
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var e6 error
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c.Assert(ErrorEqual(nil, nil), IsTrue)
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c.Assert(ErrorNotEqual(e1, e6), IsTrue)
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code1 := ErrCode(1)
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code2 := ErrCode(2)
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te1 := ClassParser.New(code1, "abc")
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te2 := ClassParser.New(code1, "def")
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te3 := ClassKV.New(code1, "abc")
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te4 := ClassKV.New(code2, "abc")
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c.Assert(ErrorEqual(te1, te2), IsTrue)
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c.Assert(ErrorEqual(te1, te3), IsFalse)
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c.Assert(ErrorEqual(te3, te4), IsFalse)
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}
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