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// Copyright 2011 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// 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 oglematchers_test
import (
"errors"
. "github.com/jacobsa/oglematchers"
. "github.com/jacobsa/ogletest"
)
////////////////////////////////////////////////////////////////////////
// Helpers
////////////////////////////////////////////////////////////////////////
type ErrorTest struct {
matcherCalled bool
suppliedCandidate interface{}
wrappedError error
matcher Matcher
}
func init() { RegisterTestSuite(&ErrorTest{}) }
func (t *ErrorTest) SetUp(i *TestInfo) {
wrapped := &fakeMatcher{
func(c interface{}) error {
t.matcherCalled = true
t.suppliedCandidate = c
return t.wrappedError
},
"is foo",
}
t.matcher = Error(wrapped)
}
func isFatal(err error) bool {
_, isFatal := err.(*FatalError)
return isFatal
}
////////////////////////////////////////////////////////////////////////
// Tests
////////////////////////////////////////////////////////////////////////
func (t *ErrorTest) Description() {
ExpectThat(t.matcher.Description(), Equals("error is foo"))
}
func (t *ErrorTest) CandidateIsNil() {
err := t.matcher.Matches(nil)
ExpectThat(t.matcherCalled, Equals(false))
ExpectThat(err.Error(), Equals("which is not an error"))
ExpectTrue(isFatal(err))
}
func (t *ErrorTest) CandidateIsString() {
err := t.matcher.Matches("taco")
ExpectThat(t.matcherCalled, Equals(false))
ExpectThat(err.Error(), Equals("which is not an error"))
ExpectTrue(isFatal(err))
}
func (t *ErrorTest) CallsWrappedMatcher() {
candidate := errors.New("taco")
t.matcher.Matches(candidate)
ExpectThat(t.matcherCalled, Equals(true))
ExpectThat(t.suppliedCandidate, Equals("taco"))
}
func (t *ErrorTest) ReturnsWrappedMatcherResult() {
t.wrappedError = errors.New("burrito")
err := t.matcher.Matches(errors.New(""))
ExpectThat(err, Equals(t.wrappedError))
}
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