prometheus/cmd/promtool/main_test.go
Dave Henderson 73a08f0045 promtool - Adding --step flag to 'query range' subcommand (#4454)
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
2018-08-05 11:03:18 +02:00

76 lines
2.0 KiB
Go

// Copyright 2018 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 main
import (
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"time"
)
func TestQueryRange(t *testing.T) {
s, getURL := mockServer(200, `{"status": "success", "data": {"resultType": "matrix", "result": []}}`)
defer s.Close()
exitCode := QueryRange(s.URL, "up", "0", "300", 0)
expectedPath := "/api/v1/query_range"
if getURL().Path != expectedPath {
t.Errorf("unexpected URL path %s (wanted %s)", getURL().Path, expectedPath)
}
actual := getURL().Query().Get("query")
if actual != "up" {
t.Errorf("unexpected value %s for query", actual)
}
actual = getURL().Query().Get("step")
if actual != "1.000" {
t.Errorf("unexpected value %s for step", actual)
}
if exitCode > 0 {
t.Error()
}
exitCode = QueryRange(s.URL, "up", "0", "300", 10*time.Millisecond)
if getURL().Path != expectedPath {
t.Errorf("unexpected URL path %s (wanted %s)", getURL().Path, expectedPath)
}
actual = getURL().Query().Get("query")
if actual != "up" {
t.Errorf("unexpected value %s for query", actual)
}
actual = getURL().Query().Get("step")
if actual != "0.010" {
t.Errorf("unexpected value %s for step", actual)
}
if exitCode > 0 {
t.Error()
}
}
func mockServer(code int, body string) (*httptest.Server, func() *url.URL) {
var u *url.URL
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
u = r.URL
w.WriteHeader(code)
fmt.Fprintln(w, body)
}))
f := func() *url.URL {
return u
}
return server, f
}