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// Copyright The Notary Project Authors.
// 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 utils
import (
"fmt"
"strings"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/format"
"github.com/onsi/gomega/gexec"
)
func init() {
// expand the length limit for the gomega matcher
format.MaxLength = 1000000
}
// Matcher contains the execution result for matching.
type Matcher struct {
Session *gexec.Session
stdout string
stderr string
}
// NewMatcher returns a new Matcher.
func NewMatcher(session *gexec.Session) *Matcher {
return &Matcher{
Session: session,
stdout: string(session.Out.Contents()),
stderr: string(session.Err.Contents()),
}
}
// MatchContent matches the content with the stdout.
func (m *Matcher) MatchContent(content string) *Matcher {
Expect(m.stdout).Should(Equal(content))
return m
}
// MatchErrContent matches the content with stderr.
func (m *Matcher) MatchErrContent(content string) *Matcher {
Expect(m.stderr).Should(Equal(content))
return m
}
// MatchKeyWords matches given keywords with the stdout.
func (m *Matcher) MatchKeyWords(keywords ...string) *Matcher {
matchKeyWords(m.stdout, keywords)
return m
}
// MatchErrKeyWords matches given keywords with the stderr.
func (m *Matcher) MatchErrKeyWords(keywords ...string) *Matcher {
matchKeyWords(m.stderr, keywords)
return m
}
// NoMatchErrKeyWords guarantees that the given keywords do not match with
// the stderr.
func (m *Matcher) NoMatchErrKeyWords(keywords ...string) *Matcher {
for _, w := range keywords {
Expect(m.stderr).ShouldNot(ContainSubstring(w))
}
return m
}
// MatchErrKeyWords matches given keywords with the stderr.
func matchKeyWords(content string, keywords []string) {
var missed []string
lowered := strings.ToLower(content)
for _, w := range keywords {
if !strings.Contains(lowered, strings.ToLower(w)) {
missed = append(missed, w)
}
}
if len(missed) != 0 {
fmt.Printf("Keywords missed: %v\n", missed)
panic("failed to match all keywords")
}
}
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