diff --git a/MTMR.xcodeproj/project.pbxproj b/MTMR.xcodeproj/project.pbxproj
index 98e0aa5..a85279c 100644
--- a/MTMR.xcodeproj/project.pbxproj
+++ b/MTMR.xcodeproj/project.pbxproj
@@ -8,6 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		36300E83209F040900B31C71 /* SupportHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = B0008E542080286C003AD4DD /* SupportHelpers.swift */; };
+		36300E8F20A2CF3400B31C71 /* AppleScriptDefinitionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36300E8E20A2CF3400B31C71 /* AppleScriptDefinitionTests.swift */; };
+		36300E9120A2D2B200B31C71 /* BackgroundColorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36300E9020A2D2B200B31C71 /* BackgroundColorTests.swift */; };
 		368EDDE720812A1D00E10953 /* ScrollViewItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 368EDDE620812A1D00E10953 /* ScrollViewItem.swift */; };
 		36C2ECD7207B6DAE003CDA33 /* TimeTouchBarItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36C2ECD6207B6DAE003CDA33 /* TimeTouchBarItem.swift */; };
 		36C2ECD9207B74B4003CDA33 /* AppleScriptTouchBarItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 36C2ECD8207B74B4003CDA33 /* AppleScriptTouchBarItem.swift */; };
@@ -49,6 +51,8 @@
 
 /* Begin PBXFileReference section */
 		36300E85209FD16700B31C71 /* .travis.yml */ = {isa = PBXFileReference; lastKnownFileType = text; path = .travis.yml; sourceTree = SOURCE_ROOT; };
+		36300E8E20A2CF3400B31C71 /* AppleScriptDefinitionTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppleScriptDefinitionTests.swift; sourceTree = "<group>"; };
+		36300E9020A2D2B200B31C71 /* BackgroundColorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BackgroundColorTests.swift; sourceTree = "<group>"; };
 		368EDDE620812A1D00E10953 /* ScrollViewItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScrollViewItem.swift; sourceTree = "<group>"; };
 		36BDC22F207CDA8600FCFEBE /* TECHNICAL_DEBT.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = TECHNICAL_DEBT.md; sourceTree = "<group>"; };
 		36C2ECD2207B3B1D003CDA33 /* README.md */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
@@ -179,6 +183,8 @@
 				36300E85209FD16700B31C71 /* .travis.yml */,
 				36C2ECDC207C723B003CDA33 /* ParseConfigTests.swift */,
 				B082B267205C7D8000BC04DC /* Info.plist */,
+				36300E8E20A2CF3400B31C71 /* AppleScriptDefinitionTests.swift */,
+				36300E9020A2D2B200B31C71 /* BackgroundColorTests.swift */,
 			);
 			path = MTMRTests;
 			sourceTree = "<group>";
@@ -370,6 +376,8 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				36300E9120A2D2B200B31C71 /* BackgroundColorTests.swift in Sources */,
+				36300E8F20A2CF3400B31C71 /* AppleScriptDefinitionTests.swift in Sources */,
 				36C2ECDD207C723B003CDA33 /* ParseConfigTests.swift in Sources */,
 				36300E83209F040900B31C71 /* SupportHelpers.swift in Sources */,
 				36C2ECDE207C82DE003CDA33 /* ItemsParsing.swift in Sources */,
diff --git a/MTMRTests/AppleScriptDefinitionTests.swift b/MTMRTests/AppleScriptDefinitionTests.swift
new file mode 100644
index 0000000..0977bab
--- /dev/null
+++ b/MTMRTests/AppleScriptDefinitionTests.swift
@@ -0,0 +1,41 @@
+import XCTest
+
+class AppleScriptDefinitionTests: XCTestCase {
+
+    func testInline() {
+        let buttonNoActionFixture = """
+            [  { "type": "appleScriptTitledButton",  "source": { "inline":  "tell everything fine" } } ]
+        """.data(using: .utf8)!
+        let result = try? JSONDecoder().decode([BarItemDefinition].self, from: buttonNoActionFixture)
+        guard case .appleScriptTitledButton(let source, _)? = result?.first?.type else {
+            XCTFail()
+            return
+        }
+        XCTAssertEqual(source.string, "tell everything fine")
+    }
+    
+    func testPath() {
+        let buttonNoActionFixture = """
+            [  { "type": "appleScriptTitledButton",  "source": { "filePath":  "/ololo/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
+        XCTAssertEqual(sourceStruct?.filePath, "/ololo/pew")
+    }
+    
+    func testRefreshInterval() {
+        let buttonNoActionFixture = """
+            [  { "type": "appleScriptTitledButton",  "source": { "inline":  "tell everything fine" },  "refreshInterval": 305} ]
+        """.data(using: .utf8)!
+        let result = try? JSONDecoder().decode([BarItemDefinition].self, from: buttonNoActionFixture)
+        guard case .appleScriptTitledButton(_, 305)? = result?.first?.type else {
+            XCTFail()
+            return
+        }
+    }
+    
+}
diff --git a/MTMRTests/BackgroundColorTests.swift b/MTMRTests/BackgroundColorTests.swift
new file mode 100644
index 0000000..915bbbc
--- /dev/null
+++ b/MTMRTests/BackgroundColorTests.swift
@@ -0,0 +1,29 @@
+import XCTest
+
+class BackgroundColorTests: XCTestCase {
+    
+    func testOpaque() {
+        let buttonNoActionFixture = """
+            [  { "type": "staticButton",  "title": "Pew", "background": "#FF0000" } ]
+        """.data(using: .utf8)!
+        let result = try? JSONDecoder().decode([BarItemDefinition].self, from: buttonNoActionFixture)
+        guard case .background(let color)? = result?.first?.additionalParameters[.background] else {
+            XCTFail()
+            return
+        }
+        XCTAssertEqual(color, .red)
+    }
+    
+    func testAlpha() {
+        let buttonNoActionFixture = """
+            [  { "type": "staticButton",  "title": "Pew", "background": "#FF000080" } ]
+        """.data(using: .utf8)!
+        let result = try? JSONDecoder().decode([BarItemDefinition].self, from: buttonNoActionFixture)
+        guard case .background(let color)? = result?.first?.additionalParameters[.background] else {
+            XCTFail()
+            return
+        }
+        XCTAssertEqual(color.alphaComponent, 0.5, accuracy: 0.01)
+    }
+    
+}