mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-25 21:54:10 -08:00
121 lines
3.4 KiB
Go
121 lines
3.4 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 main
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestQueryRange(t *testing.T) {
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s, getRequest := mockServer(200, `{"status": "success", "data": {"resultType": "matrix", "result": []}}`)
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defer s.Close()
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urlObject, err := url.Parse(s.URL)
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require.Equal(t, nil, err)
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p := &promqlPrinter{}
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exitCode := QueryRange(urlObject, map[string]string{}, "up", "0", "300", 0, p)
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require.Equal(t, "/api/v1/query_range", getRequest().URL.Path)
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form := getRequest().Form
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require.Equal(t, "up", form.Get("query"))
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require.Equal(t, "1", form.Get("step"))
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require.Equal(t, 0, exitCode)
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exitCode = QueryRange(urlObject, map[string]string{}, "up", "0", "300", 10*time.Millisecond, p)
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require.Equal(t, "/api/v1/query_range", getRequest().URL.Path)
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form = getRequest().Form
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require.Equal(t, "up", form.Get("query"))
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require.Equal(t, "0.01", form.Get("step"))
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require.Equal(t, 0, exitCode)
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}
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func TestQueryInstant(t *testing.T) {
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s, getRequest := mockServer(200, `{"status": "success", "data": {"resultType": "vector", "result": []}}`)
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defer s.Close()
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urlObject, err := url.Parse(s.URL)
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require.Equal(t, nil, err)
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p := &promqlPrinter{}
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exitCode := QueryInstant(urlObject, "up", "300", p)
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require.Equal(t, "/api/v1/query", getRequest().URL.Path)
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form := getRequest().Form
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require.Equal(t, "up", form.Get("query"))
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require.Equal(t, "300", form.Get("time"))
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require.Equal(t, 0, exitCode)
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}
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func mockServer(code int, body string) (*httptest.Server, func() *http.Request) {
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var req *http.Request
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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r.ParseForm()
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req = r
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w.WriteHeader(code)
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fmt.Fprintln(w, body)
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}))
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f := func() *http.Request {
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return req
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}
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return server, f
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}
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func TestCheckSDFile(t *testing.T) {
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cases := []struct {
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name string
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file string
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err string
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}{
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{
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name: "good .yml",
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file: "./testdata/good-sd-file.yml",
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},
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{
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name: "good .yaml",
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file: "./testdata/good-sd-file.yaml",
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},
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{
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name: "good .json",
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file: "./testdata/good-sd-file.json",
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},
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{
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name: "bad file extension",
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file: "./testdata/bad-sd-file-extension.nonexistant",
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err: "invalid file extension: \".nonexistant\"",
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},
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{
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name: "bad format",
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file: "./testdata/bad-sd-file-format.yml",
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err: "yaml: unmarshal errors:\n line 1: field targats not found in type struct { Targets []string \"yaml:\\\"targets\\\"\"; Labels model.LabelSet \"yaml:\\\"labels\\\"\" }",
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},
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}
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for _, test := range cases {
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t.Run(test.name, func(t *testing.T) {
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err := checkSDFile(test.file)
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if test.err != "" {
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require.Equalf(t, test.err, err.Error(), "Expected error %q, got %q", test.err, err.Error())
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return
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}
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require.NoError(t, err)
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})
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}
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}
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