Tests relative file paths and images.

MTMRTests/AppleScriptDefinitionTests.swift

@@ -26,6 +26,33 @@ class AppleScriptDefinitionTests: XCTestCase {
         XCTAssertEqual(sourceStruct?.filePath, "/ololo/pew")
     }
 
+    // This tests that users can pass paths to files with ~ in them
+    func testUserPath() {
+        let buttonNoActionFixture = """
+            [  { "type": "appleScriptTitledButton",  "source": { "filePath":  "~/pew" } } ]
+        """.data(using: .utf8)!
+        let result = try? JSONDecoder().decode([BarItemDefinition].self, from: buttonNoActionFixture)
+        guard case .appleScriptTitledButton(let source, _)? = result?.first?.type else {
+            XCTFail()
+            return
+        }
+        let sourceStruct = source as? Source
+        // gives you a string in the format of file:///Users/your_uer_name/pew
+        let expandedPath = URL(fileURLWithPath: NSString("~/pew").expandingTildeInPath) as URL
+        XCTAssertEqual(sourceStruct?.filePath?.fileURL, expandedPath)
+    }
+
+    // This tests that users can pass paths to images with ~ in them
+    func testUserImagePath() {
+        let relativeImagePath = """
+            [  { "filePath": "~/pew/image.png" } ]
+        """.data(using: .utf8)!
+        let result = try? JSONDecoder().decode([Source].self, from: relativeImagePath)
+        // gives you a string in the format of file:///Users/your_uer_name/pew/image.png
+        let expandedPath = URL(fileURLWithPath: NSString("~/pew/image.png").expandingTildeInPath) as URL
+        XCTAssertEqual(result?.first?.filePath?.fileURL, expandedPath)
+    }
+
     func testRefreshInterval() {
         let buttonNoActionFixture = """
             [  { "type": "appleScriptTitledButton",  "source": { "inline":  "tell everything fine" },  "refreshInterval": 305} ]