cloudflare/pint
Publicmirrored from https://github.com/cloudflare/pintAvailable
internal/promapi/flags_test.go
96lines · modecode
| 1 | package promapi_test |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "net/http" |
| 6 | "net/http/httptest" |
| 7 | "strings" |
| 8 | "testing" |
| 9 | "time" |
| 10 | |
| 11 | v1 "github.com/prometheus/client_golang/api/prometheus/v1" |
| 12 | "github.com/stretchr/testify/require" |
| 13 | |
| 14 | "github.com/cloudflare/pint/internal/promapi" |
| 15 | ) |
| 16 | |
| 17 | func TestFlags(t *testing.T) { |
| 18 | srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 19 | switch r.URL.Path { |
| 20 | case "/default/api/v1/status/flags": |
| 21 | w.WriteHeader(200) |
| 22 | w.Header().Set("Content-Type", "application/json") |
| 23 | _, _ = w.Write([]byte(`{"status":"success","data":{}}`)) |
| 24 | case "/once/api/v1/status/flags": |
| 25 | w.WriteHeader(200) |
| 26 | w.Header().Set("Content-Type", "application/json") |
| 27 | _, _ = w.Write([]byte(`{"status":"success","data":{}}`)) |
| 28 | case "/slow/api/v1/status/flags": |
| 29 | w.WriteHeader(200) |
| 30 | w.Header().Set("Content-Type", "application/json") |
| 31 | time.Sleep(time.Second) |
| 32 | _, _ = w.Write([]byte(`{"status":"success","data":{}}`)) |
| 33 | case "/error/api/v1/status/flags": |
| 34 | w.WriteHeader(500) |
| 35 | _, _ = w.Write([]byte("fake error\n")) |
| 36 | case "/badYaml/api/v1/status/flags": |
| 37 | w.WriteHeader(200) |
| 38 | w.Header().Set("Content-Type", "application/json") |
| 39 | _, _ = w.Write([]byte(`{"status":"success","data":{"xxx"}}`)) |
| 40 | default: |
| 41 | w.WriteHeader(400) |
| 42 | w.Header().Set("Content-Type", "application/json") |
| 43 | _, _ = w.Write([]byte(`{"status":"error","errorType":"bad_data","error":"unhandled path"}`)) |
| 44 | } |
| 45 | })) |
| 46 | defer srv.Close() |
| 47 | |
| 48 | type testCaseT struct { |
| 49 | prefix string |
| 50 | timeout time.Duration |
| 51 | flags promapi.FlagsResult |
| 52 | err string |
| 53 | } |
| 54 | |
| 55 | testCases := []testCaseT{ |
| 56 | { |
| 57 | prefix: "/default", |
| 58 | timeout: time.Second, |
| 59 | flags: promapi.FlagsResult{ |
| 60 | URI: srv.URL + "/default", |
| 61 | Flags: v1.FlagsResult{}, |
| 62 | }, |
| 63 | }, |
| 64 | { |
| 65 | prefix: "/slow", |
| 66 | timeout: time.Millisecond * 10, |
| 67 | err: "connection timeout", |
| 68 | }, |
| 69 | { |
| 70 | prefix: "/error", |
| 71 | timeout: time.Second, |
| 72 | err: "server_error: server error: 500", |
| 73 | }, |
| 74 | { |
| 75 | prefix: "/badYaml", |
| 76 | timeout: time.Second, |
| 77 | err: `bad_response: v1.apiResponse.Data: ReadObject: expect : after object field, but found }, error found in #10 byte of ...|a":{"xxx"}}|..., bigger context ...|{"status":"success","data":{"xxx"}}|...`, |
| 78 | }, |
| 79 | } |
| 80 | |
| 81 | for _, tc := range testCases { |
| 82 | t.Run(strings.TrimPrefix(tc.prefix, "/"), func(t *testing.T) { |
| 83 | prom := promapi.NewPrometheus("test", srv.URL+tc.prefix, tc.timeout, 1, 1000, 100) |
| 84 | prom.StartWorkers() |
| 85 | defer prom.Close() |
| 86 | |
| 87 | flags, err := prom.Flags(context.Background()) |
| 88 | if tc.err != "" { |
| 89 | require.EqualError(t, err, tc.err, tc) |
| 90 | } else { |
| 91 | require.NoError(t, err) |
| 92 | require.Equal(t, *flags, tc.flags) |
| 93 | } |
| 94 | }) |
| 95 | } |
| 96 | } |
| 97 | |