updating message equality, and looking for a low-battery flag (#38)

Author: loudnate

xDripG5/Messages/GlucoseRxMessage.swift

@@ -46,5 +46,5 @@ extension GlucoseRxMessage: Equatable {
 }
 
 public func ==(lhs: GlucoseRxMessage, rhs: GlucoseRxMessage) -> Bool {
-    return lhs.sequence == rhs.sequence
+    return lhs.sequence == rhs.sequence && lhs.timestamp == rhs.timestamp
 }

xDripG5/TransmitterStatus.swift

@@ -19,9 +19,9 @@ public enum TransmitterStatus {
         case 0:
             self = .OK
         case 0x81:
-            self = LowBattery
+            self = .LowBattery
         default:
-            self = Unknown(rawValue)
+            self = .Unknown(rawValue)
         }
     }
 }

xDripG5Tests/GlucoseRxMessageTests.swift

@@ -50,5 +50,18 @@ class GlucoseRxMessageTests: XCTestCase {
         XCTAssertEqual(6, message.state)
         XCTAssertEqual(-29, message.trend)
     }
-    
+
+    func testOldTransmitter() {
+        let data = NSData(hexadecimalString: "3100aa00000095a078008b00060a8b34")!
+        let message = GlucoseRxMessage(data: data)!
+
+        XCTAssertEqual(TransmitterStatus.OK, message.status)
+        XCTAssertEqual(170, message.sequence)
+        XCTAssertEqual(7905429, message.timestamp)  // 90 days, status is still OK
+        XCTAssertFalse(message.glucoseIsDisplayOnly)
+        XCTAssertEqual(139, message.glucose)
+        XCTAssertEqual(6, message.state)
+        XCTAssertEqual(10, message.trend)
+    }
+
 }