prometheus/pkg/rulefmt/rulefmt_test.go

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// Copyright 2017 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.
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package rulefmt
import (
"path/filepath"
"strings"
"testing"
)
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func TestParseFileSuccess(t *testing.T) {
if _, errs := ParseFile("testdata/test.yaml"); len(errs) > 0 {
t.Errorf("unexpected errors parsing file")
for _, err := range errs {
t.Error(err)
}
}
}
func TestParseFileFailure(t *testing.T) {
table := []struct {
filename string
errMsg string
}{
{
filename: "duplicate_grp.bad.yaml",
errMsg: "groupname: \"yolo\" is repeated in the same file",
},
{
filename: "bad_expr.bad.yaml",
errMsg: "parse error",
},
{
filename: "record_and_alert.bad.yaml",
errMsg: "only one of 'record' and 'alert' must be set",
},
{
filename: "no_rec_alert.bad.yaml",
errMsg: "one of 'record' or 'alert' must be set",
},
{
filename: "noexpr.bad.yaml",
errMsg: "field 'expr' must be set in rule",
},
{
filename: "bad_lname.bad.yaml",
errMsg: "invalid label name",
},
{
filename: "bad_annotation.bad.yaml",
errMsg: "invalid annotation name",
},
{
filename: "invalid_record_name.bad.yaml",
errMsg: "invalid recording rule name",
},
}
for _, c := range table {
_, errs := ParseFile(filepath.Join("testdata", c.filename))
if errs == nil {
t.Errorf("Expected error parsing %s but got none", c.filename)
continue
}
if !strings.Contains(errs[0].Error(), c.errMsg) {
t.Errorf("Expected error for %s to contain %q but got: %s", c.filename, c.errMsg, errs)
}
}
}