mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
101 lines
3 KiB
Go
101 lines
3 KiB
Go
package datasource
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"strconv"
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"testing"
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"time"
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)
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var (
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ctx = context.Background()
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basicAuthName = "foo"
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basicAuthPass = "bar"
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query = "vm_rows"
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)
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func TestVMSelectQuery(t *testing.T) {
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mux := http.NewServeMux()
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mux.HandleFunc("/", func(_ http.ResponseWriter, _ *http.Request) {
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t.Errorf("should not be called")
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})
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c := -1
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mux.HandleFunc("/api/v1/query", func(w http.ResponseWriter, r *http.Request) {
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c++
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if r.Method != http.MethodPost {
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t.Errorf("expected POST method got %s", r.Method)
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}
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if name, pass, _ := r.BasicAuth(); name != basicAuthName || pass != basicAuthPass {
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t.Errorf("expected %s:%s as basic auth got %s:%s", basicAuthName, basicAuthPass, name, pass)
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}
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if r.URL.Query().Get("query") != query {
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t.Errorf("expected %s in query param, got %s", query, r.URL.Query().Get("query"))
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}
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timeParam := r.URL.Query().Get("time")
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if timeParam == "" {
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t.Errorf("expected 'time' in query param, got nil instead")
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}
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if _, err := strconv.ParseInt(timeParam, 10, 64); err != nil {
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t.Errorf("failed to parse 'time' query param: %s", err)
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}
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switch c {
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case 0:
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conn, _, _ := w.(http.Hijacker).Hijack()
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_ = conn.Close()
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case 1:
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w.WriteHeader(500)
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case 2:
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w.Write([]byte("[]"))
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case 3:
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w.Write([]byte(`{"status":"error", "errorType":"type:", "error":"some error msg"}`))
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case 4:
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w.Write([]byte(`{"status":"unknown"}`))
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case 5:
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w.Write([]byte(`{"status":"success","data":{"resultType":"matrix"}}`))
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case 6:
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w.Write([]byte(`{"status":"success","data":{"resultType":"vector","result":[{"metric":{"__name__":"vm_rows"},"value":[1583786142,"13763"]}]}}`))
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}
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})
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srv := httptest.NewServer(mux)
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defer srv.Close()
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am := NewVMStorage(srv.URL, basicAuthName, basicAuthPass, time.Minute, 0, srv.Client())
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if _, err := am.Query(ctx, query); err == nil {
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t.Fatalf("expected connection error got nil")
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}
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if _, err := am.Query(ctx, query); err == nil {
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t.Fatalf("expected invalid response status error got nil")
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}
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if _, err := am.Query(ctx, query); err == nil {
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t.Fatalf("expected response body error got nil")
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}
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if _, err := am.Query(ctx, query); err == nil {
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t.Fatalf("expected error status got nil")
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}
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if _, err := am.Query(ctx, query); err == nil {
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t.Fatalf("expected unknown status got nil")
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}
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if _, err := am.Query(ctx, query); err == nil {
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t.Fatalf("expected non-vector resultType error got nil")
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}
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m, err := am.Query(ctx, query)
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if err != nil {
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t.Fatalf("unexpected %s", err)
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}
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if len(m) != 1 {
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t.Fatalf("expected 1 metric got %d in %+v", len(m), m)
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}
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expected := Metric{
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Labels: []Label{{Value: "vm_rows", Name: "__name__"}},
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Timestamp: 1583786142,
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Value: 13763,
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}
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if m[0].Timestamp != expected.Timestamp &&
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m[0].Value != expected.Value &&
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m[0].Labels[0].Value != expected.Labels[0].Value &&
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m[0].Labels[0].Name != expected.Labels[0].Name {
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t.Fatalf("unexpected metric %+v want %+v", m[0], expected)
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}
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}
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