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