prometheus/util/junitxml/junitxml_test.go

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// Copyright 2024 The Prometheus 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 junitxml
import (
"bytes"
"encoding/xml"
"errors"
"testing"
)
func TestJunitOutput(t *testing.T) {
var buf bytes.Buffer
var test JUnitXML
x := FakeTestSuites()
if err := x.WriteXML(&buf); err != nil {
t.Fatalf("Failed to encode XML: %v", err)
}
output := buf.Bytes()
err := xml.Unmarshal(output, &test)
if err != nil {
t.Errorf("Unmarshal failed with error: %v", err)
}
var total int
var cases int
total = len(test.Suites)
if total != 3 {
t.Errorf("JUnit output had %d testsuite elements; expected 3\n", total)
}
for _, i := range test.Suites {
cases += len(i.Cases)
}
if cases != 7 {
t.Errorf("JUnit output had %d testcase; expected 7\n", cases)
}
}
func FakeTestSuites() *JUnitXML {
ju := &JUnitXML{}
good := ju.Suite("all good")
good.Case("alpha")
good.Case("beta")
good.Case("gamma")
mixed := ju.Suite("mixed")
mixed.Case("good")
bad := mixed.Case("bad")
bad.Fail("once")
bad.Fail("twice")
mixed.Case("ugly").Abort(errors.New("buggy"))
ju.Suite("fast").Fail("fail early")
return ju
}