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eq.go
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eq.go
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// Copyright (C) 2021-2023 Akira Tanimura (@autopp)
//
// 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 stream
import (
"bytes"
"fmt"
"github.com/autopp/spexec/internal/matcher"
"github.com/autopp/spexec/internal/model"
"github.com/sergi/go-diff/diffmatchpatch"
)
type EqMatcher struct {
expected string
}
func (m *EqMatcher) Match(actual []byte) (bool, string, error) {
if bytes.Equal(actual, []byte(m.expected)) {
return true, fmt.Sprintf("should not be %q, but got it", m.expected), nil
}
dmp := diffmatchpatch.New()
diffs := dmp.DiffMain(m.expected, string(actual), false)
return false, fmt.Sprintf("should be %q, but got:\n----------------------------------------\n%s\n----------------------------------------", m.expected, dmp.DiffPrettyText(diffs)), nil
}
func ParseEqMatcher(v *model.Validator, r *matcher.StreamMatcherRegistry, x any) model.StreamMatcher {
expected, ok := v.MustBeString(x)
if !ok {
return nil
}
return &EqMatcher{expected: expected}
}