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test: Adds missing schema parser tests
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‎Tests/GraphQLTests/LanguageTests/SchemaParserTests.swift

Lines changed: 197 additions & 57 deletions
Original file line numberDiff line numberDiff line change
@@ -311,67 +311,59 @@ class SchemaParserTests: XCTestCase {
311311
)
312312
}
313313

314-
func testSchemeExtension() throws {
315-
// Based on Apollo Federation example schema: https://github.com/apollographql/apollo-federation-subgraph-compatibility/blob/main/COMPATIBILITY.md#products-schema-to-be-implemented-by-library-maintainers
316-
let source =
317-
"""
318-
extend schema
319-
@link(
320-
url: "https://specs.apollo.dev/federation/v2.0",
321-
import: [
322-
"@extends",
323-
"@external",
324-
"@key",
325-
"@inaccessible",
326-
"@override",
327-
"@provides",
328-
"@requires",
329-
"@shareable",
330-
"@tag"
314+
func testSchemaExtension() throws {
315+
XCTAssertEqual(
316+
try parse(source: """
317+
extend schema {
318+
mutation: Mutation
319+
}
320+
"""),
321+
Document(
322+
definitions: [
323+
SchemaExtensionDefinition(
324+
definition: SchemaDefinition(
325+
directives: [],
326+
operationTypes: [
327+
OperationTypeDefinition(
328+
operation: .mutation,
329+
type: .init(name: .init(value: "Mutation"))
330+
),
331+
]
332+
)
333+
),
331334
]
332-
)
333-
"""
335+
)
336+
)
337+
}
334338

335-
let expected = Document(
336-
definitions: [
337-
SchemaExtensionDefinition(
338-
definition: SchemaDefinition(
339-
directives: [
340-
Directive(
341-
name: nameNode("link"),
342-
arguments: [
343-
Argument(
344-
name: nameNode("url"),
345-
value: StringValue(
346-
value: "https://specs.apollo.dev/federation/v2.0",
347-
block: false
348-
)
349-
),
350-
Argument(
351-
name: nameNode("import"),
352-
value: ListValue(values: [
353-
StringValue(value: "@extends", block: false),
354-
StringValue(value: "@external", block: false),
355-
StringValue(value: "@key", block: false),
356-
StringValue(value: "@inaccessible", block: false),
357-
StringValue(value: "@override", block: false),
358-
StringValue(value: "@provides", block: false),
359-
StringValue(value: "@requires", block: false),
360-
StringValue(value: "@shareable", block: false),
361-
StringValue(value: "@tag", block: false),
362-
])
363-
),
364-
]
365-
),
366-
],
367-
operationTypes: []
368-
)
369-
),
370-
]
339+
func testSchemaExtensionWithOnlyDirectives() throws {
340+
XCTAssertEqual(
341+
try parse(source: "extend schema @directive"),
342+
Document(
343+
definitions: [
344+
SchemaExtensionDefinition(
345+
definition: SchemaDefinition(
346+
directives: [
347+
Directive(name: .init(value: "directive")),
348+
],
349+
operationTypes: []
350+
)
351+
),
352+
]
353+
)
371354
)
355+
}
372356

373-
let result = try parse(source: source)
374-
XCTAssert(result == expected)
357+
func testSchemaExtensionWithoutAnythingThrows() throws {
358+
XCTAssertThrowsError(
359+
try parse(source: "extend schema")
360+
)
361+
}
362+
363+
func testSchemaExtensionWithInvalidOperationTypeThrows() throws {
364+
XCTAssertThrowsError(
365+
try parse(source: "extend schema { unknown: SomeType }")
366+
)
375367
}
376368

377369
func testSimpleNonNullType() throws {
@@ -397,6 +389,26 @@ class SchemaParserTests: XCTestCase {
397389
XCTAssert(result == expected)
398390
}
399391

392+
func testSimpleInterfaceInheritingInterface() throws {
393+
XCTAssertEqual(
394+
try parse(source: "interface Hello implements World { field: String }"),
395+
Document(
396+
definitions: [
397+
InterfaceTypeDefinition(
398+
name: nameNode("Hello"),
399+
interfaces: [typeNode("World")],
400+
fields: [
401+
FieldDefinition(
402+
name: .init(value: "field"),
403+
type: NamedType(name: .init(value: "String"))
404+
),
405+
]
406+
),
407+
]
408+
)
409+
)
410+
}
411+
400412
func testSimpleTypeInheritingInterface() throws {
401413
let source = "type Hello implements World { }"
402414

@@ -432,6 +444,71 @@ class SchemaParserTests: XCTestCase {
432444
XCTAssert(result == expected)
433445
}
434446

447+
func testSimpleInterfaceInheritingMultipleInterfaces() throws {
448+
XCTAssertEqual(
449+
try parse(source: "interface Hello implements Wo & rld { field: String }"),
450+
Document(
451+
definitions: [
452+
InterfaceTypeDefinition(
453+
name: nameNode("Hello"),
454+
interfaces: [
455+
typeNode("Wo"),
456+
typeNode("rld"),
457+
],
458+
fields: [
459+
FieldDefinition(
460+
name: .init(value: "field"),
461+
type: NamedType(name: .init(value: "String"))
462+
),
463+
]
464+
),
465+
]
466+
)
467+
)
468+
}
469+
470+
func testSimpleTypeInheritingMultipleInterfacesWithLeadingAmbersand() throws {
471+
let source = "type Hello implements & Wo & rld { }"
472+
473+
let expected = Document(
474+
definitions: [
475+
ObjectTypeDefinition(
476+
name: nameNode("Hello"),
477+
interfaces: [
478+
typeNode("Wo"),
479+
typeNode("rld"),
480+
]
481+
),
482+
]
483+
)
484+
485+
let result = try parse(source: source)
486+
XCTAssert(result == expected)
487+
}
488+
489+
func testSimpleInterfaceInheritingMultipleInterfacesWithLeadingAmbersand() throws {
490+
XCTAssertEqual(
491+
try parse(source: "interface Hello implements & Wo & rld { field: String }"),
492+
Document(
493+
definitions: [
494+
InterfaceTypeDefinition(
495+
name: nameNode("Hello"),
496+
interfaces: [
497+
typeNode("Wo"),
498+
typeNode("rld"),
499+
],
500+
fields: [
501+
FieldDefinition(
502+
name: .init(value: "field"),
503+
type: NamedType(name: .init(value: "String"))
504+
),
505+
]
506+
),
507+
]
508+
)
509+
)
510+
}
511+
435512
func testSingleValueEnum() throws {
436513
let source = "enum Hello { WORLD }"
437514

@@ -1310,4 +1387,67 @@ class SchemaParserTests: XCTestCase {
13101387

13111388
_ = try parse(source: kitchenSink)
13121389
}
1390+
1391+
func testSchemeExtension() throws {
1392+
// Based on Apollo Federation example schema: https://github.com/apollographql/apollo-federation-subgraph-compatibility/blob/main/COMPATIBILITY.md#products-schema-to-be-implemented-by-library-maintainers
1393+
let source =
1394+
"""
1395+
extend schema
1396+
@link(
1397+
url: "https://specs.apollo.dev/federation/v2.0",
1398+
import: [
1399+
"@extends",
1400+
"@external",
1401+
"@key",
1402+
"@inaccessible",
1403+
"@override",
1404+
"@provides",
1405+
"@requires",
1406+
"@shareable",
1407+
"@tag"
1408+
]
1409+
)
1410+
"""
1411+
1412+
let expected = Document(
1413+
definitions: [
1414+
SchemaExtensionDefinition(
1415+
definition: SchemaDefinition(
1416+
directives: [
1417+
Directive(
1418+
name: nameNode("link"),
1419+
arguments: [
1420+
Argument(
1421+
name: nameNode("url"),
1422+
value: StringValue(
1423+
value: "https://specs.apollo.dev/federation/v2.0",
1424+
block: false
1425+
)
1426+
),
1427+
Argument(
1428+
name: nameNode("import"),
1429+
value: ListValue(values: [
1430+
StringValue(value: "@extends", block: false),
1431+
StringValue(value: "@external", block: false),
1432+
StringValue(value: "@key", block: false),
1433+
StringValue(value: "@inaccessible", block: false),
1434+
StringValue(value: "@override", block: false),
1435+
StringValue(value: "@provides", block: false),
1436+
StringValue(value: "@requires", block: false),
1437+
StringValue(value: "@shareable", block: false),
1438+
StringValue(value: "@tag", block: false),
1439+
])
1440+
),
1441+
]
1442+
),
1443+
],
1444+
operationTypes: []
1445+
)
1446+
),
1447+
]
1448+
)
1449+
1450+
let result = try parse(source: source)
1451+
XCTAssert(result == expected)
1452+
}
13131453
}

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