Add an ability to generate test doubles for functions with escaping c…

Sources/Rubicon/Generator/FunctionNameGenerator.swift

@@ -29,8 +29,9 @@ final class FunctionNameGeneratorImpl: FunctionNameGenerator {
     }
 
     private func makeFirstLetterCapitalized(in string: String) -> String {
-        let first = String(string.prefix(1)).capitalized
-        let other = String(string.dropFirst())
+        let functionNameWithoutEscapingCharacters = string.replacingOccurrences(of: "`", with: "")
+        let first = String(functionNameWithoutEscapingCharacters.prefix(1)).capitalized
+        let other = String(functionNameWithoutEscapingCharacters.dropFirst())
         return first + other
     }
 
@@ -41,5 +42,4 @@ final class FunctionNameGeneratorImpl: FunctionNameGenerator {
     func makeStructUniqueName(for function: FunctionDeclaration, in functions: [FunctionDeclaration]) -> String {
         return makeFirstLetterCapitalized(in: makeUniqueName(for: function, in: functions))
     }
-
 }

Tests/RubiconTests/Generator/FunctionNameGeneratorTests.swift

@@ -60,4 +60,12 @@ final class FunctionNameGeneratorTests: XCTestCase {
 
         XCTAssertEqual(name, "Name")
     }
+
+    func test_givenFunctionWithSwiftKeywordEscapingCharacters_whenMakeStructUniqueName_thenReturnsNameWithoutEscapedCharacters() {
+        let function = FunctionDeclaration.makeStub(name: "`continue`")
+
+        let name = sut.makeStructUniqueName(for: function, in: [function])
+
+        XCTAssertEqual(name, "Continue")
+    }
 }

Tests/RubiconTests/Integration/DummyIntegrationTests.swift

@@ -12,6 +12,7 @@ final class DummyIntegrationTests: XCTestCase {
             func load(with stuff: Int, label: String) throws -> Int
             func isFull(validate: @escaping () -> Void) -> Bool
             func download() async throws -> [String]
+            func `continue`(from screenId: String)
         }
         """
         let sut = Rubicon()
@@ -52,6 +53,10 @@ final class DummyIntegrationTests: XCTestCase {
             "-public func download() async throws -> [String] {",
             "--fatalError()",
             "-}",
+            "",
+            "-public func `continue`(from screenId: String) {",
+            "--fatalError()",
+            "-}",
             "}",
             "",
         ])

Tests/RubiconTests/Integration/SpyIntegrationTests.swift

@@ -2,7 +2,7 @@ import Rubicon
 import XCTest
 
 final class SpyIntegrationTests: XCTestCase {
-    func test_givenProtocol_whenMakeDummy_thenReturnStub() {
+    func test_givenProtocol_whenMakeSpy_thenReturnSpy() {
         let code = """
         protocol Car: Vehicle {
             var name: String? { get }
@@ -13,6 +13,7 @@ final class SpyIntegrationTests: XCTestCase {
             func load(with stuff: Int, label: String) throws -> Int
             func isFull(_ validate: @escaping () -> Void) -> Bool
             func download() async throws -> [String]
+            func `continue`(from screenId: String)
         }
         """
         let sut = Rubicon()
@@ -30,6 +31,10 @@ final class SpyIntegrationTests: XCTestCase {
             "--let validate: () -> Void",
             "-}",
             "",
+            "-struct Continue {",
+            "--let screenId: String",
+            "-}",
+            "",
             "-var name: String?",
             "-var color: Int",
             "",
@@ -42,6 +47,7 @@ final class SpyIntegrationTests: XCTestCase {
             "-var load = [Load]()",
             "-var isFull = [IsFull]()",
             "-var downloadCount = 0",
+            "-var `continue` = [Continue]()",
             "",
             "-init(color: Int, loadReturn: Int, isFullReturn: Bool, downloadReturn: [String]) {",
             "--self.color = color",
@@ -72,6 +78,11 @@ final class SpyIntegrationTests: XCTestCase {
             "--try downloadThrowBlock?()",
             "--return downloadReturn",
             "-}",
+            "",
+            "-func `continue`(from screenId: String) {",
+            "--let item = Continue(screenId: screenId)",
+            "--`continue`.append(item)",
+            "-}",
             "}",
             ""
         ])

Tests/RubiconTests/Integration/StubIntegrationTests.swift

@@ -2,7 +2,7 @@ import Rubicon
 import XCTest
 
 final class StubIntegrationTests: XCTestCase {
-    func test_givenProtocol_whenMakeDummy_thenReturnStub() {
+    func test_givenProtocol_whenMakeStub_thenReturnStub() {
         let code = """
         protocol Car {
             var name: String? { get }
@@ -12,6 +12,7 @@ final class StubIntegrationTests: XCTestCase {
             func load(with stuff: Int, label: String) throws -> Int
             func isFull(validate: @escaping () -> Void) -> Bool
             func download() async throws -> [String]
+            func `continue`(from screenId: String)
         }
         """
         let sut = Rubicon()
@@ -51,6 +52,9 @@ final class StubIntegrationTests: XCTestCase {
             "--try downloadThrowBlock?()",
             "--return downloadReturn",
             "-}",
+            "",
+            "-func `continue`(from screenId: String) {",
+            "-}",
             "}",
             ""
         ])