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import XCTest
@testable import WIT
class ParseTestsTests: XCTestCase {
func testTypeUseAll() throws {
var lexer = Lexer(
cursor: .init(
input: """
interface types {
type t1 = bool
type t2 = u8
type t3 = u16
type t4 = u32
type t5 = u64
type t6 = s8
type t7 = s16
type t8 = s32
type t9 = s64
type t10 = float32
type t11 = float64
type t12 = char
type t13 = string
type t14 = tuple<bool, u8, u16>
type t15 = list<u32>
type t16 = option<i64>
type t17 = result<i32, string>
type t18 = result<_, string>
type t19 = result<i32>
type t20 = result
type t21 = future<i32>
type t22 = future
type t23 = stream<i32, string>
type t24 = stream<_, string>
type t25 = stream<i32>
type t26 = stream
type t27 = own<x>
type t28 = borrow<x>
type t29 = x
type t30 = %x
}
"""
)
)
let interface = try InterfaceSyntax.parse(lexer: &lexer, documents: .init(comments: []))
XCTAssertEqual(interface.items.count, 30)
}
func testTypeUseInvalid() throws {
func parse(_ text: String) throws -> TypeReprSyntax {
var lexer = Lexer(cursor: .init(input: text))
return try .parse(lexer: &lexer)
}
XCTAssertThrowsError(try parse(""))
XCTAssertThrowsError(try parse("1"))
}
func testTypeDefResource() throws {
var lexer = Lexer(
cursor: .init(
input: """
resource r1 {
// doc comment here
f1: func()
}
"""
)
)
let typeDef = try TypeDefSyntax.parseResource(lexer: &lexer, documents: .init(comments: []))
XCTAssertEqual(typeDef.name.text, "r1")
guard case let .resource(resource) = typeDef.body else {
XCTFail("unexpected type kind: \(typeDef.body)")
return
}
XCTAssertEqual(resource.functions.count, 1)
}
func testTypeDefVariant() throws {
var lexer = Lexer(
cursor: .init(
input: """
variant r1 {
// doc comment here
c1, c2,
c3(u8)
}
"""
)
)
let typeDef = try TypeDefSyntax.parseVariant(lexer: &lexer, documents: .init(comments: []))
XCTAssertEqual(typeDef.name.text, "r1")
guard case let .variant(variant) = typeDef.body else {
XCTFail("unexpected type kind: \(typeDef.body)")
return
}
XCTAssertEqual(variant.cases.count, 3)
}
}
|
