| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "encoding/json" |
| 6 | "testing" |
| 7 | "time" |
| 8 | |
| 9 | "github.com/stretchr/testify/assert" |
| 10 | "github.com/stretchr/testify/require" |
| 11 | ) |
| 12 | |
| 13 | func TestOptionalDuration(t *testing.T) { |
| 14 | makeDurationPointer := func(d time.Duration) *time.Duration { return &d } |
| 15 | |
| 16 | t.Run("marshalling and unmarshalling", func(t *testing.T) { |
| 17 | out, err := json.Marshal(OptionalDuration{value: makeDurationPointer(time.Second)}) |
| 18 | if err != nil { |
| 19 | t.Fatal(err) |
| 20 | } |
| 21 | expected := "\"1s\"" |
| 22 | if string(out) != expected { |
| 23 | t.Fatalf("expected %s, got %s", expected, string(out)) |
| 24 | } |
| 25 | var d OptionalDuration |
| 26 | |
| 27 | if err := json.Unmarshal(out, &d); err != nil { |
| 28 | t.Fatal(err) |
| 29 | } |
| 30 | if *d.value != time.Second { |
| 31 | t.Fatal("expected a second") |
| 32 | } |
| 33 | }) |
| 34 | |
| 35 | t.Run("default value", func(t *testing.T) { |
| 36 | for _, jsonStr := range []string{"null", "\"null\"", "\"\"", "\"default\""} { |
| 37 | var d OptionalDuration |
| 38 | if !d.IsDefault() { |
| 39 | t.Fatal("expected value to be the default initially") |
| 40 | } |
| 41 | if err := json.Unmarshal([]byte(jsonStr), &d); err != nil { |
| 42 | t.Fatalf("%s failed to unmarshall with %s", jsonStr, err) |
| 43 | } |
| 44 | if dur := d.WithDefault(time.Hour); dur != time.Hour { |
| 45 | t.Fatalf("expected default value to be used, got %s", dur) |
| 46 | } |
| 47 | if !d.IsDefault() { |
| 48 | t.Fatal("expected value to be the default") |
| 49 | } |
| 50 | } |
| 51 | }) |
| 52 | |
| 53 | t.Run("omitempty with default value", func(t *testing.T) { |
| 54 | type Foo struct { |
| 55 | D *OptionalDuration `json:",omitempty"` |
| 56 | } |
| 57 | // marshall to JSON without empty field |
| 58 | out, err := json.Marshal(new(Foo)) |
| 59 | if err != nil { |
| 60 | t.Fatal(err) |
| 61 | } |
| 62 | if string(out) != "{}" { |
| 63 | t.Fatalf("expected omitempty to omit the duration, got %s", out) |
| 64 | } |
| 65 | // unmarshall missing value and get the default |
| 66 | var foo2 Foo |
| 67 | if err := json.Unmarshal(out, &foo2); err != nil { |
| 68 | t.Fatalf("%s failed to unmarshall with %s", string(out), err) |
| 69 | } |
| 70 | if dur := foo2.D.WithDefault(time.Hour); dur != time.Hour { |
| 71 | t.Fatalf("expected default value to be used, got %s", dur) |
| 72 | } |
| 73 | if !foo2.D.IsDefault() { |
| 74 | t.Fatal("expected value to be the default") |
| 75 | } |
| 76 | }) |
| 77 | |
| 78 | t.Run("roundtrip including the default values", func(t *testing.T) { |
| 79 | for jsonStr, goValue := range map[string]OptionalDuration{ |
| 80 | // there are various footguns user can hit, normalize them to the canonical default |
| 81 | "null": {}, // JSON null → default value |
| 82 | "\"null\"": {}, // JSON string "null" sent/set by "ipfs config" cli → default value |
| 83 | "\"default\"": {}, // explicit "default" as string |
| 84 | "\"\"": {}, // user removed custom value, empty string should also parse as default |
| 85 | "\"1s\"": {value: makeDurationPointer(time.Second)}, |
| 86 | "\"42h1m3s\"": {value: makeDurationPointer(42*time.Hour + 1*time.Minute + 3*time.Second)}, |
| 87 | } { |
| 88 | var d OptionalDuration |
| 89 | err := json.Unmarshal([]byte(jsonStr), &d) |
| 90 | if err != nil { |
| 91 | t.Fatal(err) |
| 92 | } |
| 93 | |
| 94 | if goValue.value == nil && d.value == nil { |
| 95 | } else if goValue.value == nil && d.value != nil { |
| 96 | t.Errorf("expected nil for %s, got %s", jsonStr, d) |
| 97 | } else if *d.value != *goValue.value { |
| 98 | t.Fatalf("expected %s for %s, got %s", goValue, jsonStr, d) |
| 99 | } |
| 100 | |
| 101 | // Test Reverse |
| 102 | out, err := json.Marshal(goValue) |
| 103 | if err != nil { |
| 104 | t.Fatal(err) |
| 105 | } |
| 106 | if goValue.value == nil { |
| 107 | if !bytes.Equal(out, []byte("null")) { |
| 108 | t.Fatalf("expected JSON null for %s, got %s", jsonStr, string(out)) |
| 109 | } |
| 110 | continue |
| 111 | } |
| 112 | if string(out) != jsonStr { |
| 113 | t.Fatalf("expected %s, got %s", jsonStr, string(out)) |
| 114 | } |
| 115 | } |
| 116 | }) |
| 117 | |
| 118 | t.Run("invalid duration values", func(t *testing.T) { |
| 119 | for _, invalid := range []string{ |
| 120 | "\"s\"", "\"1ę\"", "\"-1\"", "\"1H\"", "\"day\"", |
| 121 | } { |
| 122 | var d OptionalDuration |
| 123 | err := json.Unmarshal([]byte(invalid), &d) |
| 124 | if err == nil { |
| 125 | t.Errorf("expected to fail to decode %s as an OptionalDuration, got %s instead", invalid, d) |
| 126 | } |
| 127 | } |
| 128 | }) |
| 129 | } |
| 130 | |
| 131 | func TestOneStrings(t *testing.T) { |
| 132 | out, err := json.Marshal(Strings{"one"}) |
| 133 | if err != nil { |
| 134 | t.Fatal(err) |
| 135 | } |
| 136 | expected := "\"one\"" |
| 137 | if string(out) != expected { |
| 138 | t.Fatalf("expected %s, got %s", expected, string(out)) |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | func TestNoStrings(t *testing.T) { |
| 143 | out, err := json.Marshal(Strings{}) |
| 144 | if err != nil { |
| 145 | t.Fatal(err) |
| 146 | } |
| 147 | expected := "null" |
| 148 | if string(out) != expected { |
| 149 | t.Fatalf("expected %s, got %s", expected, string(out)) |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | func TestManyStrings(t *testing.T) { |
| 154 | out, err := json.Marshal(Strings{"one", "two"}) |
| 155 | if err != nil { |
| 156 | t.Fatal(err) |
| 157 | } |
| 158 | expected := "[\"one\",\"two\"]" |
| 159 | if string(out) != expected { |
| 160 | t.Fatalf("expected %s, got %s", expected, string(out)) |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | func TestFunkyStrings(t *testing.T) { |
| 165 | toParse := " [ \"one\", \"two\" ] " |
| 166 | var s Strings |
| 167 | if err := json.Unmarshal([]byte(toParse), &s); err != nil { |
| 168 | t.Fatal(err) |
| 169 | } |
| 170 | if len(s) != 2 || s[0] != "one" && s[1] != "two" { |
| 171 | t.Fatalf("unexpected result: %v", s) |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | func TestFlag(t *testing.T) { |
| 176 | // make sure we have the right zero value. |
| 177 | var defaultFlag Flag |
| 178 | if defaultFlag != Default { |
| 179 | t.Errorf("expected default flag to be %q, got %q", Default, defaultFlag) |
| 180 | } |
| 181 | |
| 182 | if defaultFlag.WithDefault(true) != true { |
| 183 | t.Error("expected default & true to be true") |
| 184 | } |
| 185 | |
| 186 | if defaultFlag.WithDefault(false) != false { |
| 187 | t.Error("expected default & false to be false") |
| 188 | } |
| 189 | |
| 190 | if True.WithDefault(false) != true { |
| 191 | t.Error("default should only apply to default") |
| 192 | } |
| 193 | |
| 194 | if False.WithDefault(true) != false { |
| 195 | t.Error("default should only apply to default") |
| 196 | } |
| 197 | |
| 198 | if True.WithDefault(true) != true { |
| 199 | t.Error("true & true is true") |
| 200 | } |
| 201 | |
| 202 | if False.WithDefault(true) != false { |
| 203 | t.Error("false & false is false") |
| 204 | } |
| 205 | |
| 206 | for jsonStr, goValue := range map[string]Flag{ |
| 207 | "null": Default, |
| 208 | "true": True, |
| 209 | "false": False, |
| 210 | } { |
| 211 | var d Flag |
| 212 | err := json.Unmarshal([]byte(jsonStr), &d) |
| 213 | if err != nil { |
| 214 | t.Fatal(err) |
| 215 | } |
| 216 | if d != goValue { |
| 217 | t.Fatalf("expected %s, got %s", goValue, d) |
| 218 | } |
| 219 | |
| 220 | // Reverse |
| 221 | out, err := json.Marshal(goValue) |
| 222 | if err != nil { |
| 223 | t.Fatal(err) |
| 224 | } |
| 225 | if string(out) != jsonStr { |
| 226 | t.Fatalf("expected %s, got %s", jsonStr, string(out)) |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | type Foo struct { |
| 231 | F Flag `json:",omitempty"` |
| 232 | } |
| 233 | out, err := json.Marshal(new(Foo)) |
| 234 | if err != nil { |
| 235 | t.Fatal(err) |
| 236 | } |
| 237 | expected := "{}" |
| 238 | if string(out) != expected { |
| 239 | t.Fatal("expected omitempty to omit the flag") |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | func TestPriority(t *testing.T) { |
| 244 | // make sure we have the right zero value. |
| 245 | var defaultPriority Priority |
| 246 | if defaultPriority != DefaultPriority { |
| 247 | t.Errorf("expected default priority to be %q, got %q", DefaultPriority, defaultPriority) |
| 248 | } |
| 249 | |
| 250 | if _, ok := defaultPriority.WithDefault(Disabled); ok { |
| 251 | t.Error("should have been disabled") |
| 252 | } |
| 253 | |
| 254 | if p, ok := defaultPriority.WithDefault(1); !ok || p != 1 { |
| 255 | t.Errorf("priority should have been 1, got %d", p) |
| 256 | } |
| 257 | |
| 258 | if p, ok := defaultPriority.WithDefault(DefaultPriority); !ok || p != 0 { |
| 259 | t.Errorf("priority should have been 0, got %d", p) |
| 260 | } |
| 261 | |
| 262 | for jsonStr, goValue := range map[string]Priority{ |
| 263 | "null": DefaultPriority, |
| 264 | "false": Disabled, |
| 265 | "1": 1, |
| 266 | "2": 2, |
| 267 | "100": 100, |
| 268 | } { |
| 269 | var d Priority |
| 270 | err := json.Unmarshal([]byte(jsonStr), &d) |
| 271 | if err != nil { |
| 272 | t.Fatal(err) |
| 273 | } |
| 274 | if d != goValue { |
| 275 | t.Fatalf("expected %s, got %s", goValue, d) |
| 276 | } |
| 277 | |
| 278 | // Reverse |
| 279 | out, err := json.Marshal(goValue) |
| 280 | if err != nil { |
| 281 | t.Fatal(err) |
| 282 | } |
| 283 | if string(out) != jsonStr { |
| 284 | t.Fatalf("expected %s, got %s", jsonStr, string(out)) |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | type Foo struct { |
| 289 | P Priority `json:",omitempty"` |
| 290 | } |
| 291 | out, err := json.Marshal(new(Foo)) |
| 292 | if err != nil { |
| 293 | t.Fatal(err) |
| 294 | } |
| 295 | expected := "{}" |
| 296 | if string(out) != expected { |
| 297 | t.Fatal("expected omitempty to omit the flag") |
| 298 | } |
| 299 | for _, invalid := range []string{ |
| 300 | "0", "-1", "-2", "1.1", "0.0", |
| 301 | } { |
| 302 | var p Priority |
| 303 | err := json.Unmarshal([]byte(invalid), &p) |
| 304 | if err == nil { |
| 305 | t.Errorf("expected to fail to decode %s as a priority", invalid) |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | func TestOptionalInteger(t *testing.T) { |
| 311 | makeInt64Pointer := func(v int64) *int64 { |
| 312 | return &v |
| 313 | } |
| 314 | |
| 315 | var defaultOptionalInt OptionalInteger |
| 316 | if !defaultOptionalInt.IsDefault() { |
| 317 | t.Fatal("should be the default") |
| 318 | } |
| 319 | if val := defaultOptionalInt.WithDefault(0); val != 0 { |
| 320 | t.Errorf("optional integer should have been 0, got %d", val) |
| 321 | } |
| 322 | |
| 323 | if val := defaultOptionalInt.WithDefault(1); val != 1 { |
| 324 | t.Errorf("optional integer should have been 1, got %d", val) |
| 325 | } |
| 326 | |
| 327 | if val := defaultOptionalInt.WithDefault(-1); val != -1 { |
| 328 | t.Errorf("optional integer should have been -1, got %d", val) |
| 329 | } |
| 330 | |
| 331 | var filledInt OptionalInteger |
| 332 | filledInt = OptionalInteger{value: makeInt64Pointer(1)} |
| 333 | if filledInt.IsDefault() { |
| 334 | t.Fatal("should not be the default") |
| 335 | } |
| 336 | if val := filledInt.WithDefault(0); val != 1 { |
| 337 | t.Errorf("optional integer should have been 1, got %d", val) |
| 338 | } |
| 339 | |
| 340 | if val := filledInt.WithDefault(-1); val != 1 { |
| 341 | t.Errorf("optional integer should have been 1, got %d", val) |
| 342 | } |
| 343 | |
| 344 | filledInt = OptionalInteger{value: makeInt64Pointer(0)} |
| 345 | if val := filledInt.WithDefault(1); val != 0 { |
| 346 | t.Errorf("optional integer should have been 0, got %d", val) |
| 347 | } |
| 348 | |
| 349 | for jsonStr, goValue := range map[string]OptionalInteger{ |
| 350 | "null": {}, |
| 351 | "0": {value: makeInt64Pointer(0)}, |
| 352 | "1": {value: makeInt64Pointer(1)}, |
| 353 | "-1": {value: makeInt64Pointer(-1)}, |
| 354 | } { |
| 355 | var d OptionalInteger |
| 356 | err := json.Unmarshal([]byte(jsonStr), &d) |
| 357 | if err != nil { |
| 358 | t.Fatal(err) |
| 359 | } |
| 360 | |
| 361 | if goValue.value == nil && d.value == nil { |
| 362 | } else if goValue.value == nil && d.value != nil { |
| 363 | t.Errorf("expected default, got %s", d) |
| 364 | } else if *d.value != *goValue.value { |
| 365 | t.Fatalf("expected %s, got %s", goValue, d) |
| 366 | } |
| 367 | |
| 368 | // Reverse |
| 369 | out, err := json.Marshal(goValue) |
| 370 | if err != nil { |
| 371 | t.Fatal(err) |
| 372 | } |
| 373 | if string(out) != jsonStr { |
| 374 | t.Fatalf("expected %s, got %s", jsonStr, string(out)) |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | // marshal with omitempty |
| 379 | type Foo struct { |
| 380 | I *OptionalInteger `json:",omitempty"` |
| 381 | } |
| 382 | out, err := json.Marshal(new(Foo)) |
| 383 | if err != nil { |
| 384 | t.Fatal(err) |
| 385 | } |
| 386 | expected := "{}" |
| 387 | if string(out) != expected { |
| 388 | t.Fatal("expected omitempty to omit the optional integer") |
| 389 | } |
| 390 | |
| 391 | // unmarshal from omitempty output and get default value |
| 392 | var foo2 Foo |
| 393 | if err := json.Unmarshal(out, &foo2); err != nil { |
| 394 | t.Fatalf("%s failed to unmarshall with %s", string(out), err) |
| 395 | } |
| 396 | if i := foo2.I.WithDefault(42); i != 42 { |
| 397 | t.Fatalf("expected default value to be used, got %d", i) |
| 398 | } |
| 399 | if !foo2.I.IsDefault() { |
| 400 | t.Fatal("expected value to be the default") |
| 401 | } |
| 402 | |
| 403 | // test invalid values |
| 404 | for _, invalid := range []string{ |
| 405 | "foo", "-1.1", "1.1", "0.0", "[]", |
| 406 | } { |
| 407 | var p OptionalInteger |
| 408 | err := json.Unmarshal([]byte(invalid), &p) |
| 409 | if err == nil { |
| 410 | t.Errorf("expected to fail to decode %s as a priority", invalid) |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | func TestOptionalString(t *testing.T) { |
| 416 | makeStringPointer := func(v string) *string { |
| 417 | return &v |
| 418 | } |
| 419 | |
| 420 | var defaultOptionalString OptionalString |
| 421 | if !defaultOptionalString.IsDefault() { |
| 422 | t.Fatal("should be the default") |
| 423 | } |
| 424 | if val := defaultOptionalString.WithDefault(""); val != "" { |
| 425 | t.Errorf("optional string should have been empty, got %s", val) |
| 426 | } |
| 427 | if val := defaultOptionalString.String(); val != "default" { |
| 428 | t.Fatalf("default optional string should be the 'default' string, got %s", val) |
| 429 | } |
| 430 | if val := defaultOptionalString.WithDefault("foo"); val != "foo" { |
| 431 | t.Errorf("optional string should have been foo, got %s", val) |
| 432 | } |
| 433 | |
| 434 | var filledStr OptionalString |
| 435 | filledStr = OptionalString{value: makeStringPointer("foo")} |
| 436 | if filledStr.IsDefault() { |
| 437 | t.Fatal("should not be the default") |
| 438 | } |
| 439 | if val := filledStr.WithDefault("bar"); val != "foo" { |
| 440 | t.Errorf("optional string should have been foo, got %s", val) |
| 441 | } |
| 442 | if val := filledStr.String(); val != "foo" { |
| 443 | t.Fatalf("optional string should have been foo, got %s", val) |
| 444 | } |
| 445 | filledStr = OptionalString{value: makeStringPointer("")} |
| 446 | if val := filledStr.WithDefault("foo"); val != "" { |
| 447 | t.Errorf("optional string should have been 0, got %s", val) |
| 448 | } |
| 449 | |
| 450 | for jsonStr, goValue := range map[string]OptionalString{ |
| 451 | "null": {}, |
| 452 | "\"0\"": {value: makeStringPointer("0")}, |
| 453 | "\"\"": {value: makeStringPointer("")}, |
| 454 | `"1"`: {value: makeStringPointer("1")}, |
| 455 | `"-1"`: {value: makeStringPointer("-1")}, |
| 456 | `"qwerty"`: {value: makeStringPointer("qwerty")}, |
| 457 | } { |
| 458 | var d OptionalString |
| 459 | err := json.Unmarshal([]byte(jsonStr), &d) |
| 460 | if err != nil { |
| 461 | t.Fatal(err) |
| 462 | } |
| 463 | |
| 464 | if goValue.value == nil && d.value == nil { |
| 465 | } else if goValue.value == nil && d.value != nil { |
| 466 | t.Errorf("expected default, got %s", d) |
| 467 | } else if *d.value != *goValue.value { |
| 468 | t.Fatalf("expected %s, got %s", goValue, d) |
| 469 | } |
| 470 | |
| 471 | // Reverse |
| 472 | out, err := json.Marshal(goValue) |
| 473 | if err != nil { |
| 474 | t.Fatal(err) |
| 475 | } |
| 476 | if string(out) != jsonStr { |
| 477 | t.Fatalf("expected %s, got %s", jsonStr, string(out)) |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | // marshal with omitempty |
| 482 | type Foo struct { |
| 483 | S *OptionalString `json:",omitempty"` |
| 484 | } |
| 485 | out, err := json.Marshal(new(Foo)) |
| 486 | if err != nil { |
| 487 | t.Fatal(err) |
| 488 | } |
| 489 | expected := "{}" |
| 490 | if string(out) != expected { |
| 491 | t.Fatal("expected omitempty to omit the optional integer") |
| 492 | } |
| 493 | // unmarshal from omitempty output and get default value |
| 494 | var foo2 Foo |
| 495 | if err := json.Unmarshal(out, &foo2); err != nil { |
| 496 | t.Fatalf("%s failed to unmarshall with %s", string(out), err) |
| 497 | } |
| 498 | if s := foo2.S.WithDefault("foo"); s != "foo" { |
| 499 | t.Fatalf("expected default value to be used, got %s", s) |
| 500 | } |
| 501 | if !foo2.S.IsDefault() { |
| 502 | t.Fatal("expected value to be the default") |
| 503 | } |
| 504 | |
| 505 | for _, invalid := range []string{ |
| 506 | "[]", "{}", "0", "a", "'b'", |
| 507 | } { |
| 508 | var p OptionalString |
| 509 | err := json.Unmarshal([]byte(invalid), &p) |
| 510 | if err == nil { |
| 511 | t.Errorf("expected to fail to decode %s as an optional string", invalid) |
| 512 | } |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | func TestOptionalBytes(t *testing.T) { |
| 517 | makeStringPointer := func(v string) *string { return &v } |
| 518 | |
| 519 | t.Run("default value", func(t *testing.T) { |
| 520 | var b OptionalBytes |
| 521 | assert.True(t, b.IsDefault()) |
| 522 | assert.Equal(t, uint64(0), b.WithDefault(0)) |
| 523 | assert.Equal(t, uint64(1024), b.WithDefault(1024)) |
| 524 | assert.Equal(t, "default", b.String()) |
| 525 | }) |
| 526 | |
| 527 | t.Run("non-default value", func(t *testing.T) { |
| 528 | b := OptionalBytes{OptionalString{value: makeStringPointer("1MiB")}} |
| 529 | assert.False(t, b.IsDefault()) |
| 530 | assert.Equal(t, uint64(1048576), b.WithDefault(512)) |
| 531 | assert.Equal(t, "1MiB", b.String()) |
| 532 | }) |
| 533 | |
| 534 | t.Run("JSON roundtrip", func(t *testing.T) { |
| 535 | testCases := []struct { |
| 536 | jsonInput string |
| 537 | jsonOutput string |
| 538 | expectedValue string |
| 539 | }{ |
| 540 | {"null", "null", ""}, |
| 541 | {"\"256KiB\"", "\"256KiB\"", "256KiB"}, |
| 542 | {"\"1MiB\"", "\"1MiB\"", "1MiB"}, |
| 543 | {"\"5GiB\"", "\"5GiB\"", "5GiB"}, |
| 544 | {"\"256KB\"", "\"256KB\"", "256KB"}, |
| 545 | {"1048576", "\"1048576\"", "1048576"}, |
| 546 | } |
| 547 | |
| 548 | for _, tc := range testCases { |
| 549 | t.Run(tc.jsonInput, func(t *testing.T) { |
| 550 | var b OptionalBytes |
| 551 | err := json.Unmarshal([]byte(tc.jsonInput), &b) |
| 552 | require.NoError(t, err) |
| 553 | |
| 554 | if tc.expectedValue == "" { |
| 555 | assert.Nil(t, b.value) |
| 556 | } else { |
| 557 | require.NotNil(t, b.value) |
| 558 | assert.Equal(t, tc.expectedValue, *b.value) |
| 559 | } |
| 560 | |
| 561 | out, err := json.Marshal(b) |
| 562 | require.NoError(t, err) |
| 563 | assert.Equal(t, tc.jsonOutput, string(out)) |
| 564 | }) |
| 565 | } |
| 566 | }) |
| 567 | |
| 568 | t.Run("parsing byte sizes", func(t *testing.T) { |
| 569 | testCases := []struct { |
| 570 | input string |
| 571 | expected uint64 |
| 572 | }{ |
| 573 | {"256KiB", 262144}, |
| 574 | {"1MiB", 1048576}, |
| 575 | {"5GiB", 5368709120}, |
| 576 | {"256KB", 256000}, |
| 577 | {"1048576", 1048576}, |
| 578 | } |
| 579 | |
| 580 | for _, tc := range testCases { |
| 581 | t.Run(tc.input, func(t *testing.T) { |
| 582 | var b OptionalBytes |
| 583 | err := json.Unmarshal([]byte("\""+tc.input+"\""), &b) |
| 584 | require.NoError(t, err) |
| 585 | assert.Equal(t, tc.expected, b.WithDefault(0)) |
| 586 | }) |
| 587 | } |
| 588 | }) |
| 589 | |
| 590 | t.Run("omitempty", func(t *testing.T) { |
| 591 | type Foo struct { |
| 592 | B *OptionalBytes `json:",omitempty"` |
| 593 | } |
| 594 | |
| 595 | out, err := json.Marshal(new(Foo)) |
| 596 | require.NoError(t, err) |
| 597 | assert.Equal(t, "{}", string(out)) |
| 598 | |
| 599 | var foo2 Foo |
| 600 | err = json.Unmarshal(out, &foo2) |
| 601 | require.NoError(t, err) |
| 602 | |
| 603 | if foo2.B != nil { |
| 604 | assert.Equal(t, uint64(1024), foo2.B.WithDefault(1024)) |
| 605 | assert.True(t, foo2.B.IsDefault()) |
| 606 | } else { |
| 607 | // When field is omitted, pointer is nil which is also considered default |
| 608 | t.Log("B is nil, which is acceptable for omitempty") |
| 609 | } |
| 610 | }) |
| 611 | |
| 612 | t.Run("invalid values", func(t *testing.T) { |
| 613 | invalidInputs := []string{ |
| 614 | "\"5XiB\"", "\"invalid\"", "\"\"", "[]", "{}", |
| 615 | } |
| 616 | |
| 617 | for _, invalid := range invalidInputs { |
| 618 | t.Run(invalid, func(t *testing.T) { |
| 619 | var b OptionalBytes |
| 620 | err := json.Unmarshal([]byte(invalid), &b) |
| 621 | assert.Error(t, err) |
| 622 | }) |
| 623 | } |
| 624 | }) |
| 625 | |
| 626 | t.Run("panic on invalid stored value", func(t *testing.T) { |
| 627 | // This tests that if somehow an invalid value gets stored |
| 628 | // (bypassing UnmarshalJSON validation), WithDefault will panic |
| 629 | invalidValue := "invalid-size" |
| 630 | b := OptionalBytes{OptionalString{value: &invalidValue}} |
| 631 | |
| 632 | assert.Panics(t, func() { |
| 633 | b.WithDefault(1024) |
| 634 | }, "should panic on invalid stored value") |
| 635 | }) |
| 636 | } |