mirror of
https://github.com/grafana/grafana.git
synced 2025-02-25 18:55:37 -06:00
111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
package prometheus
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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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"testing"
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"time"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana-plugin-sdk-go/backend/datasource"
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sdkHttpClient "github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
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"github.com/stretchr/testify/require"
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"github.com/grafana/grafana/pkg/infra/httpclient"
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"github.com/grafana/grafana/pkg/services/featuremgmt"
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"github.com/grafana/grafana/pkg/setting"
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)
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type fakeSender struct{}
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func (sender *fakeSender) Send(resp *backend.CallResourceResponse) error {
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return nil
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}
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type fakeRoundtripper struct {
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Req *http.Request
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}
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func (rt *fakeRoundtripper) RoundTrip(req *http.Request) (*http.Response, error) {
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rt.Req = req
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return &http.Response{
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Status: "200",
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StatusCode: 200,
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Header: nil,
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Body: nil,
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ContentLength: 0,
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}, nil
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}
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type fakeHTTPClientProvider struct {
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httpclient.Provider
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Roundtripper *fakeRoundtripper
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}
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func (provider *fakeHTTPClientProvider) New(opts ...sdkHttpClient.Options) (*http.Client, error) {
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client := &http.Client{}
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provider.Roundtripper = &fakeRoundtripper{}
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client.Transport = provider.Roundtripper
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return client, nil
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}
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func (provider *fakeHTTPClientProvider) GetTransport(opts ...sdkHttpClient.Options) (http.RoundTripper, error) {
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return &fakeRoundtripper{}, nil
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}
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func TestService(t *testing.T) {
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t.Run("Service", func(t *testing.T) {
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t.Run("CallResource", func(t *testing.T) {
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t.Run("creates correct request", func(t *testing.T) {
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httpProvider := &fakeHTTPClientProvider{}
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service := &Service{
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im: datasource.NewInstanceManager(newInstanceSettings(httpProvider, &setting.Cfg{}, &featuremgmt.FeatureManager{}, nil)),
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}
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req := &backend.CallResourceRequest{
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PluginContext: backend.PluginContext{
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OrgID: 0,
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PluginID: "prometheus",
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User: nil,
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AppInstanceSettings: nil,
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DataSourceInstanceSettings: &backend.DataSourceInstanceSettings{
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ID: 0,
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UID: "",
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Type: "prometheus",
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Name: "test-prom",
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URL: "http://localhost:9090",
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User: "",
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Database: "",
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BasicAuthEnabled: true,
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BasicAuthUser: "admin",
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Updated: time.Time{},
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JSONData: []byte("{}"),
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},
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},
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Path: "/api/v1/series",
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Method: http.MethodPost,
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URL: "/api/v1/series",
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Body: []byte("match%5B%5D: ALERTS\nstart: 1655271408\nend: 1655293008"),
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}
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sender := &fakeSender{}
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err := service.CallResource(context.Background(), req, sender)
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require.NoError(t, err)
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require.Equal(
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t,
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http.Header{
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"Content-Type": {"application/x-www-form-urlencoded"},
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"Idempotency-Key": []string(nil),
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},
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httpProvider.Roundtripper.Req.Header)
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require.Equal(t, http.MethodPost, httpProvider.Roundtripper.Req.Method)
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body, err := io.ReadAll(httpProvider.Roundtripper.Req.Body)
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require.NoError(t, err)
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require.Equal(t, []byte("match%5B%5D: ALERTS\nstart: 1655271408\nend: 1655293008"), body)
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require.Equal(t, "http://localhost:9090/api/v1/series", httpProvider.Roundtripper.Req.URL.String())
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})
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})
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})
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}
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