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//===---- SwiftDriverToolingInterfaceTests.swift - Swift Driver Tests ----===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftDriver
import SwiftOptions
import TSCBasic
import XCTest
final class SwiftDriverToolingInterfaceTests: XCTestCase {
func testCreateCompilerInvocation() throws {
try withTemporaryDirectory { path in
let inputFile = path.appending(components: "test.swift")
try localFileSystem.writeFileContents(inputFile) { $0.send("public func foo()") }
// Expected success scenarios:
do {
let testCommand = inputFile.description
var resultingFrontendArgs: [String] = []
var emittedDiagnostics: [Diagnostic] = []
XCTAssertFalse(getSingleFrontendInvocationFromDriverArguments(argList: testCommand.components(separatedBy: " "),
outputFrontendArgs: &resultingFrontendArgs,
emittedDiagnostics: &emittedDiagnostics))
}
do {
let testCommand = "-emit-executable " + inputFile.description + " main.swift lib.swift -module-name createCompilerInvocation -emit-module -emit-objc-header -o t.out"
var resultingFrontendArgs: [String] = []
var emittedDiagnostics: [Diagnostic] = []
XCTAssertFalse(getSingleFrontendInvocationFromDriverArguments(argList: testCommand.components(separatedBy: " "),
outputFrontendArgs: &resultingFrontendArgs,
emittedDiagnostics: &emittedDiagnostics))
}
do {
let testCommand = "-c " + inputFile.description + " main.swift lib.swift -module-name createCompilerInvocation -emit-module -emit-objc-header"
var resultingFrontendArgs: [String] = []
var emittedDiagnostics: [Diagnostic] = []
XCTAssertFalse(getSingleFrontendInvocationFromDriverArguments(argList: testCommand.components(separatedBy: " "),
outputFrontendArgs: &resultingFrontendArgs,
emittedDiagnostics: &emittedDiagnostics))
}
do {
let testCommand = inputFile.description + " -enable-batch-mode"
var resultingFrontendArgs: [String] = []
var emittedDiagnostics: [Diagnostic] = []
XCTAssertFalse(getSingleFrontendInvocationFromDriverArguments(argList: testCommand.components(separatedBy: " "),
outputFrontendArgs: &resultingFrontendArgs,
emittedDiagnostics: &emittedDiagnostics))
}
do { // Force no outputs
let testCommand = "-module-name foo -emit-module -emit-module-path /tmp/foo.swiftmodule -emit-objc-header -emit-objc-header-path /tmp/foo.h -enable-library-evolution -emit-module-interface -emit-module-interface-path /tmp/foo.swiftinterface -emit-library -emit-tbd -emit-tbd-path /tmp/foo.tbd -emit-dependencies -serialize-diagnostics " + inputFile.description
var resultingFrontendArgs: [String] = []
var emittedDiagnostics: [Diagnostic] = []
XCTAssertFalse(getSingleFrontendInvocationFromDriverArguments(argList: testCommand.components(separatedBy: " "),
outputFrontendArgs: &resultingFrontendArgs,
emittedDiagnostics: &emittedDiagnostics,
forceNoOutputs: true))
XCTAssertFalse(resultingFrontendArgs.contains("-emit-module-interface-path"))
XCTAssertFalse(resultingFrontendArgs.contains("-emit-objc-header"))
XCTAssertFalse(resultingFrontendArgs.contains("-emit-objc-header-path"))
XCTAssertFalse(resultingFrontendArgs.contains("-emit-module-path"))
XCTAssertFalse(resultingFrontendArgs.contains("-emit-tbd-path"))
}
// Expected failure scenarios:
do {
let testCommand = "-v" // No inputs
var resultingFrontendArgs: [String] = []
var emittedDiagnostics: [Diagnostic] = []
XCTAssertTrue(getSingleFrontendInvocationFromDriverArguments(argList: testCommand.components(separatedBy: " "),
outputFrontendArgs: &resultingFrontendArgs,
emittedDiagnostics: &emittedDiagnostics))
let errorMessage = try XCTUnwrap(emittedDiagnostics.first?.message.text)
XCTAssertEqual(errorMessage, "unable to handle compilation, expected exactly one frontend job")
}
}
}
}
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