Test Xcodeproj

We should have more tests, but this initial one qualifies for most regression testing.

Works by generating a project and seeing if Xcodebuild can list the correct targets.

Author: mxcl

Tests/Xcodeproj/TestGeneration.swift

@@ -0,0 +1,67 @@
+/*
+ This source file is part of the Swift.org open source project
+
+ Copyright 2015 - 2016 Apple Inc. and the Swift project authors
+ Licensed under Apache License v2.0 with Runtime Library Exception
+
+ See http://swift.org/LICENSE.txt for license information
+ See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+ */
+
+import func POSIX.mkdtemp
+import PackageType
+import Xcodeproj
+import Utility
+import XCTest
+
+
+// copy pasta
+func mktmpdir(file: StaticString = #file, line: UInt = #line, @noescape body: (String) throws -> Void) {
+    do {
+        try POSIX.mkdtemp("spm-tests") { dir in
+            defer { _ = try? rmtree(dir) }
+            try body(dir)
+        }
+    } catch {
+        XCTFail("\(error)", file: file, line: line)
+    }
+}
+
+func XCTAssertDirectoryExists(paths: String..., file: StaticString = #file, line: UInt = #line) {
+    let path = Path.join(paths)
+    if !path.isDirectory {
+        XCTFail("Expected directory doesn’t exist: \(path)", file: file, line: line)
+    }
+}
+
+
+#if os(OSX)
+class TestGeneration: XCTestCase {
+
+    /// --> this comment is here <--
+
+    func testXcodeBuildCanParseIt() {
+        mktmpdir { dstdir in
+            func dummy() -> [SwiftModule] {
+                return [SwiftModule(name: "DummyModuleName", sources: Sources(paths: [], root: dstdir))]
+            }
+
+            let projectName = "DummyProjectName"
+            let srcroot = dstdir
+            let modules = dummy()
+            let products: [Product] = []
+
+            let outpath = try Xcodeproj.generate(dstdir: dstdir, projectName: projectName, srcroot: srcroot, modules: modules, products: products)
+
+            XCTAssertDirectoryExists(outpath)
+            XCTAssertEqual(outpath, Path.join(dstdir, "\(projectName).xcodeproj"))
+
+            let output = try popen(["xcodebuild", "-list", "-project", outpath])
+
+            let expectedOutput = "Information about project \"DummyProjectName\":\n    Targets:\n        DummyModuleName\n\n    Build Configurations:\n        Debug\n\n    If no build configuration is specified and -scheme is not passed then \"Debug\" is used.\n\n    Schemes:\n        DummyProjectName\n"
+
+            XCTAssertEqual(output, expectedOutput)
+        }
+    }
+}
+#endif