mirror of
https://github.com/prometheus/prometheus
synced 2024-12-24 23:42:32 +00:00
92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright 2018 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package targetgroup
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import (
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"errors"
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"testing"
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"github.com/prometheus/prometheus/util/testutil"
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"gopkg.in/yaml.v2"
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)
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func TestTargetGroupStrictJsonUnmarshal(t *testing.T) {
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tests := []struct {
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json string
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expectedReply error
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}{
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{
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json: ` {"labels": {},"targets": []}`,
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expectedReply: nil,
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},
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{
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json: ` {"label": {},"targets": []}`,
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expectedReply: errors.New("json: unknown field \"label\""),
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},
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{
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json: ` {"labels": {},"target": []}`,
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expectedReply: errors.New("json: unknown field \"target\""),
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},
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}
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tg := Group{}
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for _, test := range tests {
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actual := tg.UnmarshalJSON([]byte(test.json))
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testutil.Equals(t, test.expectedReply, actual)
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}
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}
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func TestTargetGroupYamlUnmarshal(t *testing.T) {
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unmarshal := func(d []byte) func(interface{}) error {
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return func(o interface{}) error {
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return yaml.Unmarshal(d, o)
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}
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}
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tests := []struct {
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yaml string
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expectedNumberOfTargets int
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expectedNumberOfLabels int
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expectedReply error
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}{
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{
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yaml: "labels:\ntargets:\n",
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expectedNumberOfTargets: 0,
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expectedNumberOfLabels: 0,
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expectedReply: nil,
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},
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{
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yaml: "labels:\n my: label\ntargets:\n ['localhost:9090', 'localhost:9191']",
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expectedNumberOfTargets: 2,
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expectedNumberOfLabels: 1,
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expectedReply: nil,
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},
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{
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yaml: "labels:\ntargets:\n 'localhost:9090'",
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expectedNumberOfTargets: 0,
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expectedNumberOfLabels: 0,
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expectedReply: &yaml.TypeError{Errors: []string{"line 3: cannot unmarshal !!str `localho...` into []string"}},
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},
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}
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for _, test := range tests {
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tg := Group{}
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actual := tg.UnmarshalYAML(unmarshal([]byte(test.yaml)))
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testutil.Equals(t, test.expectedReply, actual)
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testutil.Equals(t, test.expectedNumberOfTargets, len(tg.Targets))
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testutil.Equals(t, test.expectedNumberOfLabels, len(tg.Labels))
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}
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}
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