Repository navigation
Expand file tree
/
Copy pathcodegen_test.go
More file actions
1247 lines (1122 loc) · 39.9 KB
/
Copy pathcodegen_test.go
File metadata and controls
1247 lines (1122 loc) · 39.9 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
package codegen
import (
_ "embed"
"go/format"
"os"
"path/filepath"
"strconv"
"strings"
"testing"
"github.com/getkin/kin-openapi/openapi3"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/oapi-codegen/oapi-codegen/v2/pkg/util"
)
const (
remoteRefFile = `https://raw.githubusercontent.com/oapi-codegen/oapi-codegen/master/examples/petstore-expanded` +
`/petstore-expanded.yaml`
remoteRefImport = `github.com/oapi-codegen/oapi-codegen/v2/examples/petstore-expanded`
)
func TestExampleOpenAPICodeGeneration(t *testing.T) {
// Input vars for code generation:
packageName := "testswagger"
opts := Configuration{
PackageName: packageName,
Generate: GenerateOptions{
EchoServer: true,
Client: true,
Models: true,
EmbeddedSpec: true,
},
}
loader := openapi3.NewLoader()
loader.IsExternalRefsAllowed = true
// Get a spec from the test definition in this file:
swagger, err := loader.LoadFromData([]byte(testOpenAPIDefinition))
assert.NoError(t, err)
// Run our code generation:
code, err := Generate(swagger, opts)
assert.NoError(t, err)
assert.NotEmpty(t, code)
// Check that we have valid (formattable) code:
_, err = format.Source([]byte(code))
assert.NoError(t, err)
// Check that we have a package:
assert.Contains(t, code, "package testswagger")
// Check that response structs are generated correctly:
assert.Contains(t, code, "type GetTestByNameResponse struct {")
// Check that response structs contains fallbacks to interface for invalid types:
// Here an invalid array with no items.
assert.Contains(t, code, `
type GetTestByNameResponse struct {
Body []byte
HTTPResponse *http.Response
// JSON200 the response for an HTTP 200 `+"`application/json`"+` response
JSON200 *[]Test
// XML200 the response for an HTTP 200 `+"`application/xml`"+` response
XML200 *[]Test
// JSON422 the response for an HTTP 422 `+"`application/json`"+` response
JSON422 *[]any
// XML422 the response for an HTTP 422 `+"`application/xml`"+` response
XML422 *[]any
// JSONDefault the response for an HTTP default `+"`application/json`"+` response
JSONDefault *Error
}`)
// Check that the helper methods are generated correctly:
assert.Contains(t, code, "func (r GetTestByNameResponse) Status() string {")
assert.Contains(t, code, "func (r GetTestByNameResponse) StatusCode() int {")
assert.Contains(t, code, "func ParseGetTestByNameResponse(rsp *http.Response) (*GetTestByNameResponse, error) {")
// Check the client method signatures:
assert.Contains(t, code, "type GetTestByNameParams struct {")
assert.Contains(t, code, "Top *int `form:\"$top,omitempty\" json:\"$top,omitempty\"`")
assert.Contains(t, code, "func (c *Client) GetTestByName(ctx context.Context, name string, params *GetTestByNameParams, reqEditors ...RequestEditorFn) (*http.Response, error) {")
assert.Contains(t, code, "func (c *ClientWithResponses) GetTestByNameWithResponse(ctx context.Context, name string, params *GetTestByNameParams, reqEditors ...RequestEditorFn) (*GetTestByNameResponse, error) {")
assert.Contains(t, code, "FavouriteBirds *[]*string `json:\"favourite_birds,omitempty\"`")
assert.Contains(t, code, "DetestedBirds *[]string `json:\"detested_birds,omitempty\"`")
assert.Contains(t, code, "SlicedBirds []string `json:\"sliced_birds\"`")
assert.Contains(t, code, "ForgettableBirds *map[string]*string `json:\"forgettable_birds,omitempty\"`")
assert.Contains(t, code, "MemorableBirds *map[string]string `json:\"memorable_birds,omitempty\"`")
assert.Contains(t, code, "VeryMemorableBirds map[string]string `json:\"very_memorable_birds\"`")
assert.Contains(t, code, "DeadSince *time.Time `json:\"dead_since,omitempty\" tag1:\"value1\" tag2:\"value2\"`")
assert.Contains(t, code, "VeryDeadSince time.Time `json:\"very_dead_since\"`")
assert.Contains(t, code, "type EnumTestNumerics int")
assert.Contains(t, code, "N2 EnumTestNumerics = 2")
assert.Contains(t, code, "type EnumTestEnumNames int")
assert.Contains(t, code, "Two EnumTestEnumNames = 2")
assert.Contains(t, code, "Double EnumTestEnumVarnames = 2")
}
func TestExtPropGoTypeSkipOptionalPointer(t *testing.T) {
packageName := "api"
opts := Configuration{
PackageName: packageName,
Generate: GenerateOptions{
EchoServer: true,
Models: true,
EmbeddedSpec: true,
Strict: true,
},
}
spec := "test_specs/x-go-type-skip-optional-pointer.yaml"
swagger, err := util.LoadSwagger(spec)
require.NoError(t, err)
// Run our code generation:
code, err := Generate(swagger, opts)
assert.NoError(t, err)
assert.NotEmpty(t, code)
// Check that we have valid (formattable) code:
_, err = format.Source([]byte(code))
assert.NoError(t, err)
// Check that optional pointer fields are skipped if requested
assert.Contains(t, code, "NullableFieldSkipFalse *string `json:\"nullableFieldSkipFalse\"`")
assert.Contains(t, code, "NullableFieldSkipTrue string `json:\"nullableFieldSkipTrue\"`")
assert.Contains(t, code, "OptionalField *string `json:\"optionalField,omitempty\"`")
assert.Contains(t, code, "OptionalFieldSkipFalse *string `json:\"optionalFieldSkipFalse,omitempty\"`")
assert.Contains(t, code, "OptionalFieldSkipTrue string `json:\"optionalFieldSkipTrue,omitempty\"`")
// Check that the extension applies on custom types as well
assert.Contains(t, code, "CustomTypeWithSkipTrue string `json:\"customTypeWithSkipTrue,omitempty\"`")
// Check that the extension has no effect on required fields
assert.Contains(t, code, "RequiredField string `json:\"requiredField\"`")
}
func TestGoTypeImport(t *testing.T) {
packageName := "api"
opts := Configuration{
PackageName: packageName,
Generate: GenerateOptions{
EchoServer: true,
Models: true,
EmbeddedSpec: true,
},
}
spec := "test_specs/x-go-type-import-pet.yaml"
swagger, err := util.LoadSwagger(spec)
require.NoError(t, err)
// Run our code generation:
code, err := Generate(swagger, opts)
assert.NoError(t, err)
assert.NotEmpty(t, code)
// Check that we have valid (formattable) code:
_, err = format.Source([]byte(code))
assert.NoError(t, err)
imports := []string{
`github.com/CavernaTechnologies/pgext`, // schemas - direct object
`myuuid "github.com/google/uuid"`, // schemas - object
`github.com/lib/pq`, // schemas - array
`github.com/spf13/viper`, // responses - direct object
`golang.org/x/text`, // responses - complex object
`golang.org/x/email`, // requestBodies - in components
`github.com/fatih/color`, // parameters - query
`github.com/go-openapi/swag`, // parameters - path
`github.com/jackc/pgtype`, // direct parameters - path
`github.com/mailru/easyjson`, // direct parameters - query
`github.com/subosito/gotenv`, // direct request body
}
// Check import
for _, imp := range imports {
assert.Contains(t, code, imp)
}
}
func TestGoAllofTypeOverride(t *testing.T) {
packageName := "api"
opts := Configuration{
PackageName: packageName,
Generate: GenerateOptions{
EchoServer: true,
Models: true,
EmbeddedSpec: true,
},
}
spec := "test_specs/x-go-type-pet-allof.yaml"
swagger, err := util.LoadSwagger(spec)
require.NoError(t, err)
// Run our code generation:
code, err := Generate(swagger, opts)
assert.NoError(t, err)
assert.NotEmpty(t, code)
// Check that we have valid (formattable) code:
_, err = format.Source([]byte(code))
assert.NoError(t, err)
for _, expected := range []string{
"type Cat = cat.Cat",
"type Dog = dog.Dog",
"type Pet = pet.Pet",
"github.com/somepetproject/pkg/cat",
"github.com/somepetproject/pkg/dog",
"github.com/somepetproject/pkg/pet",
} {
assert.Contains(t, code, expected)
}
}
func TestRemoteExternalReference(t *testing.T) {
if testing.Short() {
t.Skip("Skipping test that interacts with the network")
}
packageName := "api"
opts := Configuration{
PackageName: packageName,
Generate: GenerateOptions{
Models: true,
},
ImportMapping: map[string]string{
remoteRefFile: remoteRefImport,
},
}
spec := "test_specs/remote-external-reference.yaml"
// Remote references are refused unless the referenced document is allowed.
swagger, err := util.LoadSwaggerWithOverlay(spec, util.LoadSwaggerWithOverlayOpts{
AllowRemoteRefsFrom: []string{remoteRefFile},
})
require.NoError(t, err)
// Run our code generation:
code, err := Generate(swagger, opts)
assert.NoError(t, err)
assert.NotEmpty(t, code)
// Check that we have valid (formattable) code:
_, err = format.Source([]byte(code))
assert.NoError(t, err)
// Check that we have a package:
assert.Contains(t, code, "package api")
// Check import
assert.Contains(t, code, `externalRef0 "github.com/oapi-codegen/oapi-codegen/v2/examples/petstore-expanded"`)
// Check generated oneOf structure:
assert.Contains(t, code, `
// ExampleSchema_Item defines model for ExampleSchema.Item.
type ExampleSchema_Item struct {
union json.RawMessage
}
`)
// Check generated oneOf structure As method:
assert.Contains(t, code, `
// AsExternalRef0NewPet returns the union data inside the ExampleSchema_Item as a externalRef0.NewPet
func (t ExampleSchema_Item) AsExternalRef0NewPet() (externalRef0.NewPet, error) {
`)
// Check generated oneOf structure From method:
assert.Contains(t, code, `
// FromExternalRef0NewPet overwrites any union data inside the ExampleSchema_Item as the provided externalRef0.NewPet
func (t *ExampleSchema_Item) FromExternalRef0NewPet(v externalRef0.NewPet) error {
`)
// Check generated oneOf structure Merge method:
assert.Contains(t, code, `
// FromExternalRef0NewPet overwrites any union data inside the ExampleSchema_Item as the provided externalRef0.NewPet
func (t *ExampleSchema_Item) FromExternalRef0NewPet(v externalRef0.NewPet) error {
`)
}
func TestDuplicatePathParameter(t *testing.T) {
// Regression test for https://github.com/oapi-codegen/oapi-codegen/issues/1574
// Some real-world specs (e.g. Keycloak) have paths where the same parameter
// appears more than once: /clients/{client-uuid}/.../clients/{client-uuid}
spec := `
openapi: "3.0.0"
info:
version: 1.0.0
title: Duplicate path param test
paths:
/admin/realms/{realm}/clients/{client-uuid}/roles/{role-name}/composites/clients/{client-uuid}:
get:
operationId: getCompositeRoles
parameters:
- name: realm
in: path
required: true
schema:
type: string
- name: client-uuid
in: path
required: true
schema:
type: string
- name: role-name
in: path
required: true
schema:
type: string
responses:
'200':
description: Success
`
loader := openapi3.NewLoader()
swagger, err := loader.LoadFromData([]byte(spec))
require.NoError(t, err)
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{
EchoServer: true,
Client: true,
Models: true,
},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
assert.NotEmpty(t, code)
// Verify the generated code is valid Go.
_, err = format.Source([]byte(code))
require.NoError(t, err)
// The path params should appear exactly once in the function signature.
assert.Contains(t, code, "realm string")
assert.Contains(t, code, "clientUuid string")
assert.Contains(t, code, "roleName string")
}
func TestIdenticalXGoTypeNameSchemasWithOrigin(t *testing.T) {
// Regression test for https://github.com/oapi-codegen/oapi-codegen/issues/2599
// Two identical inline schemas with the same x-go-type-name must produce
// one type, even though IncludeOrigin records different source lines.
spec := `
openapi: 3.0.3
info:
title: repro
version: 1.0.0
paths:
/clients:
post:
operationId: createClient
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/CreateClientRequest'
responses:
'200':
description: ok
content:
application/json:
schema:
$ref: '#/components/schemas/Client'
components:
schemas:
Client:
type: object
properties:
product:
type: string
enum: [MANAGE, API]
x-go-type-name: Product
CreateClientRequest:
type: object
properties:
product:
type: string
enum: [MANAGE, API]
x-go-type-name: Product
`
loader := openapi3.NewLoader()
loader.IncludeOrigin = true
swagger, err := loader.LoadFromData([]byte(spec))
require.NoError(t, err)
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{
Client: true,
Models: true,
},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
assert.Equal(t, 1, strings.Count(code, "type Product string"), code)
}
// TestEnumConflictDetectionOrderIndependent checks that conflict detection
// doesn't miss overlaps because an enum was already marked for prefixing.
func TestEnumConflictDetectionOrderIndependent(t *testing.T) {
// AState+BState share "running" (both prefixed), AState+CState share "migrating".
// The bug: once AState was marked, GetValues() returned prefixed names that
// no longer matched CState's raw values, so CState's conflict was missed.
const spec = `
openapi: "3.0.0"
info:
version: 1.0.0
title: Test Enum Conflict Detection
paths: {}
components:
schemas:
AState:
type: string
enum:
- running
- migrating
BState:
type: string
enum:
- running
CState:
type: string
enum:
- migrating
`
loader := openapi3.NewLoader()
swagger, err := loader.LoadFromData([]byte(spec))
require.NoError(t, err)
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{
Models: true,
},
OutputOptions: OutputOptions{
SkipPrune: true,
},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
_, err = format.Source([]byte(code))
require.NoError(t, err)
// All three enums share values with at least one other enum; all must be prefixed.
assert.Contains(t, code, "AStateRunning")
assert.Contains(t, code, "AStateMigrating")
assert.Contains(t, code, "BStateRunning")
assert.Contains(t, code, "CStateMigrating")
}
// TestEnumConflictDetectionBothOrders verifies that enum conflict detection
// produces identical, fully-prefixed output regardless of the order the
// schemas appear in the spec.
func TestEnumConflictDetectionBothOrders(t *testing.T) {
specAFirst := `
openapi: "3.0.0"
info:
version: 1.0.0
title: Test
paths: {}
components:
schemas:
AState:
type: string
enum: [running, migrating]
BState:
type: string
enum: [running]
CState:
type: string
enum: [migrating]
`
specCFirst := `
openapi: "3.0.0"
info:
version: 1.0.0
title: Test
paths: {}
components:
schemas:
CState:
type: string
enum: [migrating]
BState:
type: string
enum: [running]
AState:
type: string
enum: [running, migrating]
`
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{Models: true},
OutputOptions: OutputOptions{
SkipPrune: true,
},
}
loader := openapi3.NewLoader()
swaggerA, err := loader.LoadFromData([]byte(specAFirst))
require.NoError(t, err)
codeA, err := Generate(swaggerA, opts)
require.NoError(t, err)
swaggerC, err := loader.LoadFromData([]byte(specCFirst))
require.NoError(t, err)
codeC, err := Generate(swaggerC, opts)
require.NoError(t, err)
// Both orderings must produce fully prefixed constants.
for _, code := range []string{codeA, codeC} {
assert.Contains(t, code, "AStateRunning")
assert.Contains(t, code, "AStateMigrating")
assert.Contains(t, code, "BStateRunning")
assert.Contains(t, code, "CStateMigrating")
// Unprefixed names must not appear as standalone constants.
assert.NotContains(t, code, "\tRunning ")
assert.NotContains(t, code, "\tMigrating ")
}
}
func TestBodylessResponseWithDefaultCatchAll(t *testing.T) {
// Regression test: when a spec declares a response without content (e.g. 204)
// alongside a "default" error response with JSON content, the generated parser
// must emit a case clause for the bodyless response that short-circuits before
// the default catch-all ("&& true") attempts to unmarshal an empty body.
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{
Client: true,
Models: true,
},
}
swagger, err := util.LoadSwagger("test_specs/bodyless-response-default.yaml")
require.NoError(t, err)
code, err := Generate(swagger, opts)
require.NoError(t, err)
// Check that we have valid (formattable) code:
_, err = format.Source([]byte(code))
require.NoError(t, err)
// The 204 case must appear before the default catch-all so it short-circuits.
assert.Contains(t, code, "case rsp.StatusCode == 204:\n\t\tbreak // No content-type")
// The default catch-all must still be present for non-matching status codes.
assert.Contains(t, code, `strings.Contains(rsp.Header.Get("Content-Type"), "json") && true`)
// For the range wildcard case (2XX without content alongside 200 with content),
// the explicit 200 JSON case must appear before the 2XX break to avoid shadowing.
assert.Contains(t, code, "case rsp.StatusCode/100 == 2:\n\t\tbreak // No content-type")
// Verify ordering: 200 JSON case appears before the 2XX no-content case.
json200Idx := indexOf(code, `rsp.StatusCode == 200`)
range2XXIdx := indexOf(code, `rsp.StatusCode/100 == 2`)
assert.Greater(t, range2XXIdx, json200Idx, "explicit 200 content case must appear before bodyless 2XX range")
// Within ParseCreateWidgetResponse: the bodyless 2XX guard must not shadow
// the explicit 200 XML case, and must itself short-circuit before the
// strict (exact Content-Type match) default JSON catch-alls emitted when
// the default response declares multiple JSON content types.
widgetIdx := indexOf(code, "func ParseCreateWidgetResponse")
require.NotEqual(t, -1, widgetIdx)
widgetCode := code[widgetIdx:]
xml200Idx := indexOf(widgetCode, `strings.Contains(rsp.Header.Get("Content-Type"), "xml") && rsp.StatusCode == 200`)
widgetRangeIdx := indexOf(widgetCode, `rsp.StatusCode/100 == 2`)
strictDefaultIdx := indexOf(widgetCode, `rsp.Header.Get("Content-Type") == "application/json" && true`)
require.NotEqual(t, -1, xml200Idx)
require.NotEqual(t, -1, widgetRangeIdx)
require.NotEqual(t, -1, strictDefaultIdx)
assert.Greater(t, widgetRangeIdx, xml200Idx, "explicit 200 XML case must appear before bodyless 2XX guard")
assert.Greater(t, strictDefaultIdx, widgetRangeIdx, "bodyless 2XX guard must appear before strict default catch-all")
}
func indexOf(s, substr string) int {
for i := 0; i <= len(s)-len(substr); i++ {
if s[i:i+len(substr)] == substr {
return i
}
}
return -1
}
// TestEnableAuthScopesOnContext verifies that generated server code embeds
// security scheme scopes into the request context only when the deprecated
// enable-auth-scopes-on-context compatibility option is set.
// Please see https://github.com/oapi-codegen/oapi-codegen/issues/1524
func TestEnableAuthScopesOnContext(t *testing.T) {
const spec = `
openapi: "3.0.0"
info:
version: 1.0.0
title: Test Auth Scopes Emission
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
paths:
/secured:
get:
operationId: secured
security:
- bearerAuth: ["read"]
responses:
'200':
description: ok
`
loader := openapi3.NewLoader()
swagger, err := loader.LoadFromData([]byte(spec))
require.NoError(t, err)
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{
StdHTTPServer: true,
Models: true,
},
}
// By default, no context key types, scope constants, or context values
// are generated.
code, err := Generate(swagger, opts)
require.NoError(t, err)
assert.NotContains(t, code, "BearerAuthScopes")
assert.NotContains(t, code, "bearerAuthContextKey")
assert.NotContains(t, code, "context.WithValue")
// With the compatibility option set, the legacy scope emission returns.
opts.Compatibility.EnableAuthScopesOnContext = true
code, err = Generate(swagger, opts)
require.NoError(t, err)
assert.Contains(t, code, `BearerAuthScopes bearerAuthContextKey = "bearerAuth.Scopes"`)
assert.Contains(t, code, `ctx = context.WithValue(ctx, BearerAuthScopes, []string{"read"})`)
}
// TestEnumValueEscaping verifies that a string enum value containing a
// backslash is emitted as a valid, properly escaped Go string literal
// (the constants go through strconv.Quote).
// Please see https://github.com/oapi-codegen/oapi-codegen/issues/2180
func TestEnumValueEscaping(t *testing.T) {
const spec = `
openapi: "3.0.0"
info:
version: 1.0.0
title: Enum escaping
paths: {}
components:
schemas:
AutoAccident:
type: object
properties:
significant_injury:
type: string
enum: ["YES", "NO", "N\\A"]
`
loader := openapi3.NewLoader()
swagger, err := loader.LoadFromData([]byte(spec))
require.NoError(t, err)
opts := Configuration{
PackageName: "api",
Generate: GenerateOptions{Models: true},
OutputOptions: OutputOptions{SkipPrune: true},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
// The spec-level value is the three characters N, \, A; the generated
// constant must escape the backslash.
assert.Contains(t, code, `= "N\\A"`)
_, err = format.Source([]byte(code))
require.NoError(t, err)
}
const securityScopesSharedSpec = `
openapi: "3.0.0"
info:
version: 1.0.0
title: Common
paths: {}
components:
securitySchemes:
BearerAuth:
type: http
scheme: bearer
`
const securityScopesUserSpec = `
openapi: "3.0.0"
info:
version: 1.0.0
title: User API
paths:
/user:
get:
operationId: getUser
security:
- BearerAuth: ["read"]
- LocalAuth: []
responses:
'200':
description: ok
components:
securitySchemes:
BearerAuth:
$ref: './common.yml#/components/securitySchemes/BearerAuth'
LocalAuth:
type: http
scheme: basic
`
// loadSecurityScopesUserSpec writes the shared/user spec pair to disk and
// loads the user spec, resolving the cross-file security scheme $ref.
func loadSecurityScopesUserSpec(t *testing.T) *openapi3.T {
t.Helper()
dir := t.TempDir()
require.NoError(t, os.WriteFile(filepath.Join(dir, "common.yml"), []byte(securityScopesSharedSpec), 0o600))
require.NoError(t, os.WriteFile(filepath.Join(dir, "user.yml"), []byte(securityScopesUserSpec), 0o600))
loader := openapi3.NewLoader()
loader.IsExternalRefsAllowed = true
swagger, err := loader.LoadFromFile(filepath.Join(dir, "user.yml"))
require.NoError(t, err)
return swagger
}
// TestSecuritySchemeScopesWithImportMapping verifies that a security scheme
// $ref'd from an import-mapped spec aliases the scopes constant declared by
// the mapped package instead of declaring its own context key type, so
// shared middleware sees a single context key across generated packages.
// Please see https://github.com/oapi-codegen/oapi-codegen/issues/2383
func TestSecuritySchemeScopesWithImportMapping(t *testing.T) {
swagger := loadSecurityScopesUserSpec(t)
opts := Configuration{
PackageName: "user",
Generate: GenerateOptions{
StdHTTPServer: true,
Models: true,
},
Compatibility: CompatibilityOptions{EnableAuthScopesOnContext: true},
ImportMapping: map[string]string{"./common.yml": "example.com/common"},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
// The const block is column-aligned by gofmt, so collapse runs of
// whitespace before matching the declarations.
normalized := strings.Join(strings.Fields(code), " ")
// The imported scheme aliases the shared constant — carrying the shared
// package's context key type — and declares no local type; middleware
// still references the constant by its local name.
assert.Contains(t, normalized, "BearerAuthScopes = externalRef0.BearerAuthScopes")
assert.NotContains(t, code, "bearerAuthContextKey")
assert.Contains(t, code, `ctx = context.WithValue(ctx, BearerAuthScopes, []string{"read"})`)
// The locally declared scheme keeps its own typed constant.
assert.Contains(t, normalized, `LocalAuthScopes localAuthContextKey = "LocalAuth.Scopes"`)
}
// TestSecuritySchemeScopesWithoutImportMapping verifies that an external
// scheme $ref without an import-mapping entry keeps the historical behavior
// of declaring the context key type and constant locally.
func TestSecuritySchemeScopesWithoutImportMapping(t *testing.T) {
swagger := loadSecurityScopesUserSpec(t)
opts := Configuration{
PackageName: "user",
Generate: GenerateOptions{
StdHTTPServer: true,
Models: true,
},
Compatibility: CompatibilityOptions{EnableAuthScopesOnContext: true},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
assert.Contains(t, code, `BearerAuthScopes bearerAuthContextKey = "BearerAuth.Scopes"`)
}
// TestSecuritySchemeScopesCurrentPackageMapping verifies that a scheme $ref'd
// from a spec mapped to the current package ("-") emits neither the type nor
// the constant: the sibling config generating that spec into the same package
// declares both.
func TestSecuritySchemeScopesCurrentPackageMapping(t *testing.T) {
swagger := loadSecurityScopesUserSpec(t)
opts := Configuration{
PackageName: "user",
Generate: GenerateOptions{
StdHTTPServer: true,
Models: true,
},
Compatibility: CompatibilityOptions{EnableAuthScopesOnContext: true},
ImportMapping: map[string]string{"./common.yml": "-"},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
// No local declarations for the shared scheme...
assert.NotContains(t, code, "bearerAuthContextKey")
assert.NotContains(t, code, `= "BearerAuth.Scopes"`)
// ...but middleware references the sibling-declared constant.
assert.Contains(t, code, `ctx = context.WithValue(ctx, BearerAuthScopes, []string{"read"})`)
}
// TestSecuritySchemeScopesWithoutOperations verifies that a spec holding only
// shared definitions (no paths) still exports the scopes constants, so that
// other packages can alias them via import-mapping.
func TestSecuritySchemeScopesWithoutOperations(t *testing.T) {
loader := openapi3.NewLoader()
swagger, err := loader.LoadFromData([]byte(securityScopesSharedSpec))
require.NoError(t, err)
opts := Configuration{
PackageName: "common",
Generate: GenerateOptions{
Models: true,
},
Compatibility: CompatibilityOptions{EnableAuthScopesOnContext: true},
}
code, err := Generate(swagger, opts)
require.NoError(t, err)
assert.Contains(t, code, `BearerAuthScopes bearerAuthContextKey = "BearerAuth.Scopes"`)
}
// TestSortHandlerRegistrations verifies the sort-handler-registrations
// compatibility flag: by default handlers are registered in spec-declaration
// order (issue #1887), and setting the flag restores the historical
// lexicographic (by path) registration order.
func TestSortHandlerRegistrations(t *testing.T) {
// Paths are declared in non-lexicographic order: zebra before apple.
const spec = `
openapi: 3.0.0
info: { title: t, version: "1.0" }
paths:
/zebra:
get:
operationId: getZebra
responses: { '200': { description: ok } }
/apple:
get:
operationId: getApple
responses: { '200': { description: ok } }
`
load := func() *openapi3.T {
loader := openapi3.NewLoader()
loader.IncludeOrigin = true // recover spec declaration order for SpecOrder
swagger, err := loader.LoadFromData([]byte(spec))
require.NoError(t, err)
return swagger
}
base := Configuration{
PackageName: "api",
Generate: GenerateOptions{FiberServer: true, Models: true},
}
regOrder := func(code string) (zebra, apple int) {
return strings.Index(code, `options.BaseURL+"/zebra"`),
strings.Index(code, `options.BaseURL+"/apple"`)
}
// Default: registration follows spec order — zebra before apple.
code, err := Generate(load(), base)
require.NoError(t, err)
zebra, apple := regOrder(code)
require.NotEqual(t, -1, zebra)
require.NotEqual(t, -1, apple)
assert.Less(t, zebra, apple, "default registration should follow spec order (zebra before apple)")
// Flag set: registration restored to lexicographic order — apple before zebra.
sorted := base
sorted.Compatibility.SortHandlerRegistrations = true
code, err = Generate(load(), sorted)
require.NoError(t, err)
zebra, apple = regOrder(code)
require.NotEqual(t, -1, zebra)
require.NotEqual(t, -1, apple)
assert.Less(t, apple, zebra, "sort-handler-registrations should restore lexicographic order (apple before zebra)")
}
//go:embed test_spec.yaml
var testOpenAPIDefinition string
// TestDedupeImportLines covers the import block of the rendered imports
// template: a repeated import line is dropped, anything else is untouched.
func TestDedupeImportLines(t *testing.T) {
src := "package p\n\nimport (\n\t\"time\"\n\n\t\"time\"\n\tfoo \"example.com/foo\"\n\t\"example.com/foo\"\n)\n\n// \"time\"\n// \"time\"\n"
want := "package p\n\nimport (\n\t\"time\"\n\n\tfoo \"example.com/foo\"\n\t\"example.com/foo\"\n)\n\n// \"time\"\n// \"time\"\n"
assert.Equal(t, want, dedupeImportLines(src))
}
// TestImportMapGoImportsSorted: GoImports ranges over a map, so without an
// explicit sort the order of the import lines varied from run to run. gofmt
// hides that by sorting the import block, but with output-options.skip-fmt the
// generated file differed between runs of the same binary.
func TestImportMapGoImportsSorted(t *testing.T) {
im := importMap{
"h.yaml": {Name: "externalRef7", Path: "example.com/h"},
"a.yaml": {Name: "externalRef0", Path: "example.com/a"},
"current.yaml": {Path: importMappingCurrentPackage},
"f.yaml": {Name: "externalRef5", Path: "example.com/f"},
"c.yaml": {Name: "externalRef2", Path: "example.com/c"},
"g.yaml": {Name: "externalRef6", Path: "example.com/g"},
"b.yaml": {Name: "externalRef1", Path: "example.com/b"},
"e.yaml": {Name: "externalRef4", Path: "example.com/e"},
"d.yaml": {Name: "externalRef3", Path: "example.com/d"},
"noalias.yaml": {Path: "example.com/noalias"},
}
want := []string{
`"example.com/noalias"`,
`externalRef0 "example.com/a"`,
`externalRef1 "example.com/b"`,
`externalRef2 "example.com/c"`,
`externalRef3 "example.com/d"`,
`externalRef4 "example.com/e"`,
`externalRef5 "example.com/f"`,
`externalRef6 "example.com/g"`,
`externalRef7 "example.com/h"`,
}
// Map iteration order is randomised per range loop, so repeat to make an
// accidental sorted order vanishingly unlikely.
for range 20 {
assert.Equal(t, want, im.GoImports())
}
}
// TestXGoTypeImportOfTemplatePackage: an x-go-type-import of a package
// the imports template already imports, such as time, was emitted twice and
// did not compile.
func TestXGoTypeImportOfTemplatePackage(t *testing.T) {
const spec = `openapi: 3.0.0
info: {title: repro, version: "1.0.0"}
paths: {}
components:
schemas:
When:
type: string
format: date-time
x-go-type: time.Time
x-go-type-import:
path: time
`
code := generateSpec(t, spec)
assert.Equal(t, 1, strings.Count(code, `"time"`), code)
}
// generateFromSpec loads an inline document, runs code generation with opts and
// checks that the output is valid Go.
func generateFromSpec(t *testing.T, spec string, opts Configuration) string {
t.Helper()
swagger, err := openapi3.NewLoader().LoadFromData([]byte(spec))
require.NoError(t, err)
code, err := Generate(swagger, opts)
require.NoError(t, err)
_, err = format.Source([]byte(code))
require.NoError(t, err, "generated code must be valid Go:\n%s", code)
return code
}
// TestEchoOperationMiddlewareKeyIsQuoted checks that the raw operationId, used
// as the key into OperationMiddlewares, is emitted through strconv.Quote. A
// double quote in it used to close the string literal and the rest ran as Go.
func TestEchoOperationMiddlewareKeyIsQuoted(t *testing.T) {
const operationID = `x"]...); panic("code-injection"); //`
spec := `openapi: "3.0.0"
info:
title: t
version: "1.0"
paths:
/pets:
get:
operationId: '` + operationID + `'
responses:
"200":
description: OK
`
code := generateFromSpec(t, spec, Configuration{PackageName: "api", Generate: GenerateOptions{EchoServer: true}})
assert.Contains(t, code, `options.OperationMiddlewares[`+strconv.Quote(operationID)+`]...)`)