| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package prometheus |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "net/http" |
| 8 | "net/http/httptest" |
| 9 | "os" |
| 10 | "testing" |
| 11 | |
| 12 | "github.com/stretchr/testify/assert" |
| 13 | "github.com/stretchr/testify/require" |
| 14 | |
| 15 | "github.com/netdata/netdata/go/plugins/pkg/metrix" |
| 16 | "github.com/netdata/netdata/go/plugins/pkg/prometheus/selector" |
| 17 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 18 | "github.com/netdata/netdata/go/plugins/plugin/go.d/collector/prometheus/relabel" |
| 19 | "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/collecttest" |
| 20 | ) |
| 21 | |
| 22 | var ( |
| 23 | dataConfigJSON, _ = os.ReadFile("testdata/config.json") |
| 24 | dataConfigYAML, _ = os.ReadFile("testdata/config.yaml") |
| 25 | ) |
| 26 | |
| 27 | func Test_testDataIsValid(t *testing.T) { |
| 28 | for name, data := range map[string][]byte{ |
| 29 | "dataConfigJSON": dataConfigJSON, |
| 30 | "dataConfigYAML": dataConfigYAML, |
| 31 | } { |
| 32 | require.NotNil(t, data, name) |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | func TestCollector_ConfigurationSerialize(t *testing.T) { |
| 37 | collecttest.TestConfigurationSerialize(t, &Collector{}, dataConfigJSON, dataConfigYAML) |
| 38 | } |
| 39 | |
| 40 | func TestCollector_Init(t *testing.T) { |
| 41 | tests := map[string]struct { |
| 42 | config Config |
| 43 | wantFail bool |
| 44 | }{ |
| 45 | "non empty URL": { |
| 46 | wantFail: false, |
| 47 | config: Config{HTTPConfig: web.HTTPConfig{RequestConfig: web.RequestConfig{URL: "http://127.0.0.1:9090/metric"}}}, |
| 48 | }, |
| 49 | "invalid selector syntax": { |
| 50 | wantFail: true, |
| 51 | config: Config{ |
| 52 | HTTPConfig: web.HTTPConfig{RequestConfig: web.RequestConfig{URL: "http://127.0.0.1:9090/metric"}}, |
| 53 | Selector: selector.Expr{Allow: []string{`name{label=#"value"}`}}, |
| 54 | }, |
| 55 | }, |
| 56 | "default": { |
| 57 | wantFail: true, |
| 58 | config: New().Config, |
| 59 | }, |
| 60 | } |
| 61 | |
| 62 | for name, test := range tests { |
| 63 | t.Run(name, func(t *testing.T) { |
| 64 | collr := New() |
| 65 | collr.Config = test.config |
| 66 | |
| 67 | if test.wantFail { |
| 68 | assert.Error(t, collr.Init(context.Background())) |
| 69 | } else { |
| 70 | assert.NoError(t, collr.Init(context.Background())) |
| 71 | } |
| 72 | }) |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | func TestCollector_Cleanup(t *testing.T) { |
| 77 | assert.NotPanics(t, func() { New().Cleanup(context.Background()) }) |
| 78 | |
| 79 | collr := New() |
| 80 | collr.URL = "http://127.0.0.1" |
| 81 | require.NoError(t, collr.Init(context.Background())) |
| 82 | assert.NotPanics(t, func() { collr.Cleanup(context.Background()) }) |
| 83 | } |
| 84 | |
| 85 | func TestCollector_Check(t *testing.T) { |
| 86 | tests := map[string]struct { |
| 87 | prepare func() (collr *Collector, cleanup func()) |
| 88 | wantFail bool |
| 89 | }{ |
| 90 | "success if endpoint returns valid metrics in prometheus format": { |
| 91 | wantFail: false, |
| 92 | prepare: func() (collr *Collector, cleanup func()) { |
| 93 | srv := httptest.NewServer(http.HandlerFunc( |
| 94 | func(w http.ResponseWriter, r *http.Request) { |
| 95 | _, _ = w.Write([]byte(`test_counter_no_meta_metric_1_total{label1="value1"} 11`)) |
| 96 | })) |
| 97 | collr = New() |
| 98 | collr.URL = srv.URL |
| 99 | |
| 100 | return collr, srv.Close |
| 101 | }, |
| 102 | }, |
| 103 | "fail if the total num of metrics exceeds the limit": { |
| 104 | wantFail: true, |
| 105 | prepare: func() (collr *Collector, cleanup func()) { |
| 106 | srv := httptest.NewServer(http.HandlerFunc( |
| 107 | func(w http.ResponseWriter, r *http.Request) { |
| 108 | _, _ = w.Write([]byte(` |
| 109 | test_counter_no_meta_metric_1_total{label1="value1"} 11 |
| 110 | test_counter_no_meta_metric_1_total{label1="value2"} 11 |
| 111 | `)) |
| 112 | })) |
| 113 | collr = New() |
| 114 | collr.URL = srv.URL |
| 115 | collr.MaxTS = 1 |
| 116 | |
| 117 | return collr, srv.Close |
| 118 | }, |
| 119 | }, |
| 120 | "fail if the num time series in the metric exceeds the limit": { |
| 121 | wantFail: true, |
| 122 | prepare: func() (collr *Collector, cleanup func()) { |
| 123 | srv := httptest.NewServer(http.HandlerFunc( |
| 124 | func(w http.ResponseWriter, r *http.Request) { |
| 125 | _, _ = w.Write([]byte(` |
| 126 | test_counter_no_meta_metric_1_total{label1="value1"} 11 |
| 127 | test_counter_no_meta_metric_1_total{label1="value2"} 11 |
| 128 | `)) |
| 129 | })) |
| 130 | collr = New() |
| 131 | collr.URL = srv.URL |
| 132 | collr.MaxTSPerMetric = 1 |
| 133 | |
| 134 | return collr, srv.Close |
| 135 | }, |
| 136 | }, |
| 137 | "fail if metrics have no expected prefix": { |
| 138 | wantFail: true, |
| 139 | prepare: func() (collr *Collector, cleanup func()) { |
| 140 | srv := httptest.NewServer(http.HandlerFunc( |
| 141 | func(w http.ResponseWriter, r *http.Request) { |
| 142 | _, _ = w.Write([]byte(`test_counter_no_meta_metric_1_total{label1="value1"} 11`)) |
| 143 | })) |
| 144 | collr = New() |
| 145 | collr.URL = srv.URL |
| 146 | collr.ExpectedPrefix = "prefix_" |
| 147 | |
| 148 | return collr, srv.Close |
| 149 | }, |
| 150 | }, |
| 151 | "fail if endpoint returns data not in prometheus format": { |
| 152 | wantFail: true, |
| 153 | prepare: func() (collr *Collector, cleanup func()) { |
| 154 | srv := httptest.NewServer(http.HandlerFunc( |
| 155 | func(w http.ResponseWriter, r *http.Request) { |
| 156 | _, _ = w.Write([]byte("hello and\n goodbye")) |
| 157 | })) |
| 158 | collr = New() |
| 159 | collr.URL = srv.URL |
| 160 | |
| 161 | return collr, srv.Close |
| 162 | }, |
| 163 | }, |
| 164 | "fail if endpoint exposes only non-writable metrics": { |
| 165 | wantFail: true, |
| 166 | prepare: func() (collr *Collector, cleanup func()) { |
| 167 | srv := httptest.NewServer(http.HandlerFunc( |
| 168 | func(w http.ResponseWriter, r *http.Request) { |
| 169 | _, _ = w.Write([]byte(`app_x_info{version="1.0"} 1`)) |
| 170 | })) |
| 171 | collr = New() |
| 172 | collr.URL = srv.URL |
| 173 | |
| 174 | return collr, srv.Close |
| 175 | }, |
| 176 | }, |
| 177 | "fail if endpoint returns an empty body (no metric families)": { |
| 178 | wantFail: true, |
| 179 | prepare: func() (collr *Collector, cleanup func()) { |
| 180 | srv := httptest.NewServer(http.HandlerFunc( |
| 181 | func(w http.ResponseWriter, r *http.Request) { |
| 182 | _, _ = w.Write([]byte("")) |
| 183 | })) |
| 184 | collr = New() |
| 185 | collr.URL = srv.URL |
| 186 | |
| 187 | return collr, srv.Close |
| 188 | }, |
| 189 | }, |
| 190 | "fail if connection refused": { |
| 191 | wantFail: true, |
| 192 | prepare: func() (collr *Collector, cleanup func()) { |
| 193 | collr = New() |
| 194 | collr.URL = "http://127.0.0.1:38001/metrics" |
| 195 | |
| 196 | return collr, func() {} |
| 197 | }, |
| 198 | }, |
| 199 | "fail if endpoint returns 404": { |
| 200 | wantFail: true, |
| 201 | prepare: func() (collr *Collector, cleanup func()) { |
| 202 | srv := httptest.NewServer(http.HandlerFunc( |
| 203 | func(w http.ResponseWriter, r *http.Request) { |
| 204 | w.WriteHeader(http.StatusNotFound) |
| 205 | })) |
| 206 | collr = New() |
| 207 | collr.URL = srv.URL |
| 208 | |
| 209 | return collr, srv.Close |
| 210 | }, |
| 211 | }, |
| 212 | } |
| 213 | |
| 214 | for name, test := range tests { |
| 215 | t.Run(name, func(t *testing.T) { |
| 216 | collr, cleanup := test.prepare() |
| 217 | defer cleanup() |
| 218 | |
| 219 | require.NoError(t, collr.Init(context.Background())) |
| 220 | |
| 221 | if test.wantFail { |
| 222 | assert.Error(t, collr.Check(context.Background())) |
| 223 | } else { |
| 224 | assert.NoError(t, collr.Check(context.Background())) |
| 225 | } |
| 226 | }) |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | // TestCollector_Collect drives the real V2 collector (Init, then a framework-style store |
| 231 | // cycle around Collect) and asserts the metrics it wrote into the metrix store, by metric |
| 232 | // name + flattened labels. Per-type correctness is exercised exhaustively in writer_test.go; |
| 233 | // this checks the collector's end-to-end wiring (client/selector/fallback built in Init → |
| 234 | // scrape → writer → store) plus the config-driven behaviors. |
| 235 | func TestCollector_Collect(t *testing.T) { |
| 236 | tests := map[string]struct { |
| 237 | prepare func() *Collector |
| 238 | input string |
| 239 | want func(t *testing.T, fr metrix.Reader) |
| 240 | }{ |
| 241 | "gauge and counter values": { |
| 242 | prepare: New, |
| 243 | input: ` |
| 244 | # TYPE test_gauge_metric gauge |
| 245 | test_gauge_metric{label1="value1"} 11 |
| 246 | test_gauge_metric{label1="value2"} 12.5 |
| 247 | # TYPE test_counter_metric_total counter |
| 248 | test_counter_metric_total{label1="value1"} 11 |
| 249 | `, |
| 250 | want: func(t *testing.T, fr metrix.Reader) { |
| 251 | assert.InDelta(t, 11, value(t, fr, "test_gauge_metric", metrix.Labels{"label1": "value1"}), 1e-9) |
| 252 | assert.InDelta(t, 12.5, value(t, fr, "test_gauge_metric", metrix.Labels{"label1": "value2"}), 1e-9) |
| 253 | assert.InDelta(t, 11, value(t, fr, "test_counter_metric_total", metrix.Labels{"label1": "value1"}), 1e-9) |
| 254 | }, |
| 255 | }, |
| 256 | "summary flattens to quantiles, sum and count": { |
| 257 | prepare: New, |
| 258 | input: ` |
| 259 | # TYPE test_latency summary |
| 260 | test_latency{quantile="0.5"} 0.25 |
| 261 | test_latency{quantile="0.99"} 0.5 |
| 262 | test_latency_sum 12.5 |
| 263 | test_latency_count 42 |
| 264 | `, |
| 265 | want: func(t *testing.T, fr metrix.Reader) { |
| 266 | assert.InDelta(t, 0.25, value(t, fr, "test_latency", metrix.Labels{"quantile": "0.5"}), 1e-9) |
| 267 | assert.InDelta(t, 0.5, value(t, fr, "test_latency", metrix.Labels{"quantile": "0.99"}), 1e-9) |
| 268 | assert.InDelta(t, 12.5, value(t, fr, "test_latency_sum", nil), 1e-9) |
| 269 | assert.InDelta(t, 42, value(t, fr, "test_latency_count", nil), 1e-9) |
| 270 | }, |
| 271 | }, |
| 272 | "histogram flattens to buckets, sum and count": { |
| 273 | prepare: New, |
| 274 | input: ` |
| 275 | # TYPE test_dur histogram |
| 276 | test_dur_bucket{le="0.1"} 4 |
| 277 | test_dur_bucket{le="+Inf"} 6 |
| 278 | test_dur_sum 2.5 |
| 279 | test_dur_count 6 |
| 280 | `, |
| 281 | want: func(t *testing.T, fr metrix.Reader) { |
| 282 | assert.InDelta(t, 4, value(t, fr, "test_dur_bucket", metrix.Labels{"le": "0.1"}), 1e-9) |
| 283 | assert.InDelta(t, 6, value(t, fr, "test_dur_bucket", metrix.Labels{"le": "+Inf"}), 1e-9) |
| 284 | assert.InDelta(t, 2.5, value(t, fr, "test_dur_sum", nil), 1e-9) |
| 285 | assert.InDelta(t, 6, value(t, fr, "test_dur_count", nil), 1e-9) |
| 286 | }, |
| 287 | }, |
| 288 | "untyped falls back to gauge and counter": { |
| 289 | prepare: func() *Collector { |
| 290 | c := New() |
| 291 | c.FallbackType.Gauge = []string{"test_fallback_gauge"} |
| 292 | return c |
| 293 | }, |
| 294 | input: ` |
| 295 | test_fallback_gauge{label1="value1"} 7 |
| 296 | test_things_total{label1="value1"} 5 |
| 297 | test_untyped_dropped{label1="value1"} 9 |
| 298 | `, |
| 299 | want: func(t *testing.T, fr metrix.Reader) { |
| 300 | assert.InDelta(t, 7, value(t, fr, "test_fallback_gauge", metrix.Labels{"label1": "value1"}), 1e-9) |
| 301 | assert.InDelta(t, 5, value(t, fr, "test_things_total", metrix.Labels{"label1": "value1"}), 1e-9) |
| 302 | _, ok := fr.Value("test_untyped_dropped", metrix.Labels{"label1": "value1"}) |
| 303 | assert.False(t, ok, "an untyped metric with no fallback and no _total suffix must be dropped") |
| 304 | }, |
| 305 | }, |
| 306 | "selector drops non-matching metrics": { |
| 307 | prepare: func() *Collector { |
| 308 | c := New() |
| 309 | c.Selector = selector.Expr{Allow: []string{"test_keep"}} |
| 310 | return c |
| 311 | }, |
| 312 | input: ` |
| 313 | # TYPE test_keep gauge |
| 314 | test_keep{label1="value1"} 11 |
| 315 | # TYPE test_drop gauge |
| 316 | test_drop{label1="value1"} 22 |
| 317 | `, |
| 318 | want: func(t *testing.T, fr metrix.Reader) { |
| 319 | assert.InDelta(t, 11, value(t, fr, "test_keep", metrix.Labels{"label1": "value1"}), 1e-9) |
| 320 | _, ok := fr.Value("test_drop", metrix.Labels{"label1": "value1"}) |
| 321 | assert.False(t, ok, "a metric not matched by the selector must be dropped") |
| 322 | }, |
| 323 | }, |
| 324 | "_info family is skipped": { |
| 325 | prepare: New, |
| 326 | input: ` |
| 327 | # TYPE test_metric gauge |
| 328 | test_metric{label1="value1"} 11 |
| 329 | # TYPE test_metric_info gauge |
| 330 | test_metric_info{version="1.2.3"} 1 |
| 331 | `, |
| 332 | want: func(t *testing.T, fr metrix.Reader) { |
| 333 | assert.InDelta(t, 11, value(t, fr, "test_metric", metrix.Labels{"label1": "value1"}), 1e-9) |
| 334 | _, ok := fr.Value("test_metric_info", metrix.Labels{"version": "1.2.3"}) |
| 335 | assert.False(t, ok, "an _info family must be skipped") |
| 336 | }, |
| 337 | }, |
| 338 | "per-metric series limit skips the family": { |
| 339 | prepare: func() *Collector { |
| 340 | c := New() |
| 341 | c.MaxTSPerMetric = 1 |
| 342 | return c |
| 343 | }, |
| 344 | input: ` |
| 345 | # TYPE test_gauge_metric gauge |
| 346 | test_gauge_metric{label1="value1"} 11 |
| 347 | test_gauge_metric{label1="value2"} 12 |
| 348 | `, |
| 349 | want: func(t *testing.T, fr metrix.Reader) { |
| 350 | _, ok := fr.Value("test_gauge_metric", metrix.Labels{"label1": "value1"}) |
| 351 | assert.False(t, ok, "a family over the per-metric series limit must be skipped entirely") |
| 352 | }, |
| 353 | }, |
| 354 | "relabel applies before assembly (drop + rename via __name__)": { |
| 355 | prepare: func() *Collector { |
| 356 | c := New() |
| 357 | c.relabelConfigs = []relabel.Config{ |
| 358 | { |
| 359 | SourceLabels: []string{"__name__"}, |
| 360 | Regex: relabel.MustNewRegexp("test_drop_me"), |
| 361 | Action: relabel.Drop, |
| 362 | }, |
| 363 | { |
| 364 | SourceLabels: []string{"__name__"}, |
| 365 | Regex: relabel.MustNewRegexp("test_(.+)"), |
| 366 | TargetLabel: "__name__", |
| 367 | Replacement: "renamed_${1}", |
| 368 | Action: relabel.Replace, |
| 369 | }, |
| 370 | } |
| 371 | return c |
| 372 | }, |
| 373 | input: ` |
| 374 | # TYPE test_keep gauge |
| 375 | test_keep{label1="value1"} 11 |
| 376 | # TYPE test_drop_me gauge |
| 377 | test_drop_me{label1="value1"} 22 |
| 378 | `, |
| 379 | want: func(t *testing.T, fr metrix.Reader) { |
| 380 | assert.InDelta(t, 11, value(t, fr, "renamed_keep", metrix.Labels{"label1": "value1"}), 1e-9) |
| 381 | _, ok := fr.Value("test_keep", metrix.Labels{"label1": "value1"}) |
| 382 | assert.False(t, ok, "the renamed metric must not appear under its original name") |
| 383 | _, ok = fr.Value("test_drop_me", metrix.Labels{"label1": "value1"}) |
| 384 | assert.False(t, ok, "the drop rule must drop test_drop_me before assembly") |
| 385 | _, ok = fr.Value("renamed_drop_me", metrix.Labels{"label1": "value1"}) |
| 386 | assert.False(t, ok, "a dropped sample must not be renamed or assembled") |
| 387 | }, |
| 388 | }, |
| 389 | "relabel rewrites a regular label (copy via Replace)": { |
| 390 | prepare: func() *Collector { |
| 391 | c := New() |
| 392 | c.relabelConfigs = []relabel.Config{ |
| 393 | { |
| 394 | SourceLabels: []string{"method"}, |
| 395 | Regex: relabel.MustNewRegexp("(.+)"), |
| 396 | TargetLabel: "verb", |
| 397 | Replacement: "${1}", |
| 398 | Action: relabel.Replace, |
| 399 | }, |
| 400 | } |
| 401 | return c |
| 402 | }, |
| 403 | input: ` |
| 404 | # TYPE test_requests_total counter |
| 405 | test_requests_total{method="get"} 5 |
| 406 | `, |
| 407 | want: func(t *testing.T, fr metrix.Reader) { |
| 408 | // Replace copies method -> verb; the series carries both labels. |
| 409 | assert.InDelta(t, 5, value(t, fr, "test_requests_total", metrix.Labels{"method": "get", "verb": "get"}), 1e-9) |
| 410 | }, |
| 411 | }, |
| 412 | } |
| 413 | |
| 414 | for name, tc := range tests { |
| 415 | t.Run(name, func(t *testing.T) { |
| 416 | srv := httptest.NewServer(http.HandlerFunc( |
| 417 | func(w http.ResponseWriter, _ *http.Request) { _, _ = w.Write([]byte(tc.input)) })) |
| 418 | defer srv.Close() |
| 419 | |
| 420 | collr := tc.prepare() |
| 421 | collr.URL = srv.URL |
| 422 | require.NoError(t, collr.Init(context.Background())) |
| 423 | |
| 424 | // Drive Collect exactly as the framework does: one store cycle around it. |
| 425 | cc := cycle(t, collr.MetricStore()) |
| 426 | cc.BeginCycle() |
| 427 | require.NoError(t, collr.Collect(context.Background())) |
| 428 | require.NoError(t, cc.CommitCycleSuccess()) |
| 429 | |
| 430 | tc.want(t, collr.MetricStore().Read(metrix.ReadRaw(), metrix.ReadFlatten())) |
| 431 | }) |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | // TestCollector_ChartCoverage verifies the collector's own ChartTemplateYAML() (the per-job |
| 436 | // autogen template built in Init from the configured app) plus the collected store materialize |
| 437 | // the expected chart contexts and dimensions. Unlike the manifest parity test (which builds the |
| 438 | // template directly), this exercises the real CollectorV2.ChartTemplateYAML() method and the |
| 439 | // "prometheus" / "prometheus.<app>" context namespace end-to-end via chartengine autogen. |
| 440 | func TestCollector_ChartCoverage(t *testing.T) { |
| 441 | tests := map[string]struct { |
| 442 | prepare func() *Collector |
| 443 | input string |
| 444 | want map[string][]string |
| 445 | }{ |
| 446 | "default namespace, scalars and a summary split": { |
| 447 | prepare: New, |
| 448 | input: ` |
| 449 | # TYPE test_gauge_metric gauge |
| 450 | test_gauge_metric{label1="value1"} 11 |
| 451 | # TYPE test_counter_metric_total counter |
| 452 | test_counter_metric_total{label1="value1"} 11 |
| 453 | # TYPE test_summary_duration_seconds summary |
| 454 | test_summary_duration_seconds{label1="value1",quantile="0.5"} 0.25 |
| 455 | test_summary_duration_seconds{label1="value1",quantile="0.99"} 0.5 |
| 456 | test_summary_duration_seconds_sum{label1="value1"} 12.5 |
| 457 | test_summary_duration_seconds_count{label1="value1"} 42 |
| 458 | `, |
| 459 | want: map[string][]string{ |
| 460 | "prometheus.test_gauge_metric": {"test_gauge_metric"}, |
| 461 | "prometheus.test_counter_metric_total": {"test_counter_metric_total"}, |
| 462 | "prometheus.test_summary_duration_seconds": {"quantile_0.5", "quantile_0.99"}, |
| 463 | "prometheus.test_summary_duration_seconds_sum": {"test_summary_duration_seconds_sum"}, |
| 464 | "prometheus.test_summary_duration_seconds_count": {"test_summary_duration_seconds_count"}, |
| 465 | }, |
| 466 | }, |
| 467 | "app namespace prefixes the context": { |
| 468 | prepare: func() *Collector { c := New(); c.Application = "myapp"; return c }, |
| 469 | input: ` |
| 470 | # TYPE test_gauge_metric gauge |
| 471 | test_gauge_metric{label1="value1"} 11 |
| 472 | `, |
| 473 | want: map[string][]string{ |
| 474 | "prometheus.myapp.test_gauge_metric": {"test_gauge_metric"}, |
| 475 | }, |
| 476 | }, |
| 477 | } |
| 478 | |
| 479 | for name, tc := range tests { |
| 480 | t.Run(name, func(t *testing.T) { |
| 481 | srv := httptest.NewServer(http.HandlerFunc( |
| 482 | func(w http.ResponseWriter, _ *http.Request) { _, _ = w.Write([]byte(tc.input)) })) |
| 483 | defer srv.Close() |
| 484 | |
| 485 | collr := tc.prepare() |
| 486 | collr.URL = srv.URL |
| 487 | require.NoError(t, collr.Init(context.Background())) |
| 488 | |
| 489 | cc := cycle(t, collr.MetricStore()) |
| 490 | cc.BeginCycle() |
| 491 | require.NoError(t, collr.Collect(context.Background())) |
| 492 | require.NoError(t, cc.CommitCycleSuccess()) |
| 493 | |
| 494 | collecttest.AssertChartCoverage(t, collr, collecttest.ChartCoverageExpectation{RequiredContexts: tc.want}) |
| 495 | }) |
| 496 | } |
| 497 | } |