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14986e52cf
* Fix Uyuni SD initialization The change prevents null pointer exception during SD initialization. Signed-off-by: Witek Bedyk <witold.bedyk@suse.com>
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// Copyright 2020 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 uyuni
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import (
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"context"
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"io"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/discovery/targetgroup"
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)
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func testUpdateServices(respHandler http.HandlerFunc) ([]*targetgroup.Group, error) {
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// Create a test server with mock HTTP handler.
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ts := httptest.NewServer(respHandler)
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defer ts.Close()
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conf := SDConfig{
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Server: ts.URL,
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}
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md, err := NewDiscovery(&conf, nil)
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if err != nil {
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return nil, err
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}
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return md.refresh(context.Background())
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}
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func TestUyuniSDHandleError(t *testing.T) {
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var (
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errTesting = "unable to login to Uyuni API: request error: bad status code - 500"
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respHandler = func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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w.Header().Set("Content-Type", "application/xml")
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io.WriteString(w, ``)
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}
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)
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tgs, err := testUpdateServices(respHandler)
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require.EqualError(t, err, errTesting)
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require.Equal(t, len(tgs), 0)
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}
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