| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package icecast |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "net/http" |
| 8 | "net/http/httptest" |
| 9 | "os" |
| 10 | "testing" |
| 11 | |
| 12 | "github.com/netdata/netdata/go/plugins/pkg/web" |
| 13 | "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/collecttest" |
| 14 | |
| 15 | "github.com/stretchr/testify/assert" |
| 16 | "github.com/stretchr/testify/require" |
| 17 | ) |
| 18 | |
| 19 | var ( |
| 20 | dataConfigJSON, _ = os.ReadFile("testdata/config.json") |
| 21 | dataConfigYAML, _ = os.ReadFile("testdata/config.yaml") |
| 22 | |
| 23 | dataServerStatsMultiSource, _ = os.ReadFile("testdata/stats_multi_source.json") |
| 24 | dataServerStatsSingleSource, _ = os.ReadFile("testdata/stats_single_source.json") |
| 25 | dataServerStatsNoSources, _ = os.ReadFile("testdata/stats_no_sources.json") |
| 26 | ) |
| 27 | |
| 28 | func Test_testDataIsValid(t *testing.T) { |
| 29 | for name, data := range map[string][]byte{ |
| 30 | "dataConfigJSON": dataConfigJSON, |
| 31 | "dataConfigYAML": dataConfigYAML, |
| 32 | "dataServerStats": dataServerStatsMultiSource, |
| 33 | "dataServerStatsSingleSource": dataServerStatsSingleSource, |
| 34 | "dataServerStatsNoSources": dataServerStatsNoSources, |
| 35 | } { |
| 36 | require.NotNil(t, data, name) |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func TestCollector_ConfigurationSerialize(t *testing.T) { |
| 41 | collecttest.TestConfigurationSerialize(t, &Collector{}, dataConfigJSON, dataConfigYAML) |
| 42 | } |
| 43 | |
| 44 | func TestCollector_Init(t *testing.T) { |
| 45 | tests := map[string]struct { |
| 46 | wantFail bool |
| 47 | config Config |
| 48 | }{ |
| 49 | "success with default": { |
| 50 | wantFail: false, |
| 51 | config: New().Config, |
| 52 | }, |
| 53 | "fail when URL not set": { |
| 54 | wantFail: true, |
| 55 | config: Config{ |
| 56 | HTTPConfig: web.HTTPConfig{ |
| 57 | RequestConfig: web.RequestConfig{URL: ""}, |
| 58 | }, |
| 59 | }, |
| 60 | }, |
| 61 | } |
| 62 | |
| 63 | for name, test := range tests { |
| 64 | t.Run(name, func(t *testing.T) { |
| 65 | collr := New() |
| 66 | collr.Config = test.config |
| 67 | |
| 68 | if test.wantFail { |
| 69 | assert.Error(t, collr.Init(context.Background())) |
| 70 | } else { |
| 71 | assert.NoError(t, collr.Init(context.Background())) |
| 72 | } |
| 73 | }) |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | func TestCollector_Charts(t *testing.T) { |
| 78 | assert.NotNil(t, New().Charts()) |
| 79 | } |
| 80 | |
| 81 | func TestCollector_Check(t *testing.T) { |
| 82 | tests := map[string]struct { |
| 83 | wantFail bool |
| 84 | prepare func(t *testing.T) (*Collector, func()) |
| 85 | }{ |
| 86 | "success multiple sources": { |
| 87 | wantFail: false, |
| 88 | prepare: prepareCaseMultipleSources, |
| 89 | }, |
| 90 | "success single source": { |
| 91 | wantFail: false, |
| 92 | prepare: prepareCaseMultipleSources, |
| 93 | }, |
| 94 | "fails on no sources": { |
| 95 | wantFail: true, |
| 96 | prepare: prepareCaseNoSources, |
| 97 | }, |
| 98 | "fails on unexpected json response": { |
| 99 | wantFail: true, |
| 100 | prepare: prepareCaseUnexpectedJsonResponse, |
| 101 | }, |
| 102 | "fails on invalid format response": { |
| 103 | wantFail: true, |
| 104 | prepare: prepareCaseInvalidFormatResponse, |
| 105 | }, |
| 106 | "fails on connection refused": { |
| 107 | wantFail: true, |
| 108 | prepare: prepareCaseConnectionRefused, |
| 109 | }, |
| 110 | } |
| 111 | |
| 112 | for name, test := range tests { |
| 113 | t.Run(name, func(t *testing.T) { |
| 114 | collr, cleanup := test.prepare(t) |
| 115 | defer cleanup() |
| 116 | |
| 117 | if test.wantFail { |
| 118 | assert.Error(t, collr.Check(context.Background())) |
| 119 | } else { |
| 120 | assert.NoError(t, collr.Check(context.Background())) |
| 121 | } |
| 122 | }) |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | func TestCollector_Collect(t *testing.T) { |
| 127 | tests := map[string]struct { |
| 128 | prepare func(t *testing.T) (*Collector, func()) |
| 129 | wantMetrics map[string]int64 |
| 130 | wantCharts int |
| 131 | }{ |
| 132 | "success multiple sources": { |
| 133 | prepare: prepareCaseMultipleSources, |
| 134 | wantCharts: len(sourceChartsTmpl) * 2, |
| 135 | wantMetrics: map[string]int64{ |
| 136 | "source_abc_listeners": 1, |
| 137 | "source_efg_listeners": 10, |
| 138 | }, |
| 139 | }, |
| 140 | "success single source": { |
| 141 | prepare: prepareCaseSingleSource, |
| 142 | wantCharts: len(sourceChartsTmpl) * 1, |
| 143 | wantMetrics: map[string]int64{ |
| 144 | "source_abc_listeners": 1, |
| 145 | }, |
| 146 | }, |
| 147 | "fails on no sources": { |
| 148 | prepare: prepareCaseNoSources, |
| 149 | }, |
| 150 | "fails on unexpected json response": { |
| 151 | prepare: prepareCaseUnexpectedJsonResponse, |
| 152 | }, |
| 153 | "fails on invalid format response": { |
| 154 | prepare: prepareCaseInvalidFormatResponse, |
| 155 | }, |
| 156 | "fails on connection refused": { |
| 157 | prepare: prepareCaseConnectionRefused, |
| 158 | }, |
| 159 | } |
| 160 | |
| 161 | for name, test := range tests { |
| 162 | t.Run(name, func(t *testing.T) { |
| 163 | collr, cleanup := test.prepare(t) |
| 164 | defer cleanup() |
| 165 | |
| 166 | mx := collr.Collect(context.Background()) |
| 167 | |
| 168 | require.Equal(t, test.wantMetrics, mx) |
| 169 | if len(test.wantMetrics) > 0 { |
| 170 | assert.Equal(t, test.wantCharts, len(*collr.Charts())) |
| 171 | collecttest.TestMetricsHasAllChartsDims(t, collr.Charts(), mx) |
| 172 | } |
| 173 | }) |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | func prepareCaseMultipleSources(t *testing.T) (*Collector, func()) { |
| 178 | t.Helper() |
| 179 | srv := httptest.NewServer(http.HandlerFunc( |
| 180 | func(w http.ResponseWriter, r *http.Request) { |
| 181 | switch r.URL.Path { |
| 182 | case urlPathServerStats: |
| 183 | _, _ = w.Write(dataServerStatsMultiSource) |
| 184 | default: |
| 185 | w.WriteHeader(http.StatusNotFound) |
| 186 | } |
| 187 | })) |
| 188 | |
| 189 | collr := New() |
| 190 | collr.URL = srv.URL |
| 191 | require.NoError(t, collr.Init(context.Background())) |
| 192 | |
| 193 | return collr, srv.Close |
| 194 | } |
| 195 | |
| 196 | func prepareCaseSingleSource(t *testing.T) (*Collector, func()) { |
| 197 | t.Helper() |
| 198 | srv := httptest.NewServer(http.HandlerFunc( |
| 199 | func(w http.ResponseWriter, r *http.Request) { |
| 200 | switch r.URL.Path { |
| 201 | case urlPathServerStats: |
| 202 | _, _ = w.Write(dataServerStatsSingleSource) |
| 203 | default: |
| 204 | w.WriteHeader(http.StatusNotFound) |
| 205 | } |
| 206 | })) |
| 207 | |
| 208 | collr := New() |
| 209 | collr.URL = srv.URL |
| 210 | require.NoError(t, collr.Init(context.Background())) |
| 211 | |
| 212 | return collr, srv.Close |
| 213 | } |
| 214 | |
| 215 | func prepareCaseNoSources(t *testing.T) (*Collector, func()) { |
| 216 | t.Helper() |
| 217 | srv := httptest.NewServer(http.HandlerFunc( |
| 218 | func(w http.ResponseWriter, r *http.Request) { |
| 219 | switch r.URL.Path { |
| 220 | case urlPathServerStats: |
| 221 | _, _ = w.Write(dataServerStatsNoSources) |
| 222 | default: |
| 223 | w.WriteHeader(http.StatusNotFound) |
| 224 | } |
| 225 | })) |
| 226 | |
| 227 | collr := New() |
| 228 | collr.URL = srv.URL |
| 229 | require.NoError(t, collr.Init(context.Background())) |
| 230 | |
| 231 | return collr, srv.Close |
| 232 | } |
| 233 | |
| 234 | func prepareCaseUnexpectedJsonResponse(t *testing.T) (*Collector, func()) { |
| 235 | t.Helper() |
| 236 | resp := ` |
| 237 | { |
| 238 | "elephant": { |
| 239 | "burn": false, |
| 240 | "mountain": true, |
| 241 | "fog": false, |
| 242 | "skin": -1561907625, |
| 243 | "burst": "anyway", |
| 244 | "shadow": 1558616893 |
| 245 | }, |
| 246 | "start": "ever", |
| 247 | "base": 2093056027, |
| 248 | "mission": -2007590351, |
| 249 | "victory": 999053756, |
| 250 | "die": false |
| 251 | } |
| 252 | ` |
| 253 | srv := httptest.NewServer(http.HandlerFunc( |
| 254 | func(w http.ResponseWriter, r *http.Request) { |
| 255 | _, _ = w.Write([]byte(resp)) |
| 256 | })) |
| 257 | |
| 258 | collr := New() |
| 259 | collr.URL = srv.URL |
| 260 | require.NoError(t, collr.Init(context.Background())) |
| 261 | |
| 262 | return collr, srv.Close |
| 263 | } |
| 264 | |
| 265 | func prepareCaseInvalidFormatResponse(t *testing.T) (*Collector, func()) { |
| 266 | t.Helper() |
| 267 | srv := httptest.NewServer(http.HandlerFunc( |
| 268 | func(w http.ResponseWriter, r *http.Request) { |
| 269 | _, _ = w.Write([]byte("hello and\n goodbye")) |
| 270 | })) |
| 271 | |
| 272 | collr := New() |
| 273 | collr.URL = srv.URL |
| 274 | require.NoError(t, collr.Init(context.Background())) |
| 275 | |
| 276 | return collr, srv.Close |
| 277 | } |
| 278 | |
| 279 | func prepareCaseConnectionRefused(t *testing.T) (*Collector, func()) { |
| 280 | t.Helper() |
| 281 | collr := New() |
| 282 | collr.URL = "http://127.0.0.1:65001" |
| 283 | require.NoError(t, collr.Init(context.Background())) |
| 284 | |
| 285 | return collr, func() {} |
| 286 | } |