Add tests for MATMSG format

app/src/main/kotlin/de/markusfisch/android/binaryeye/actions/mail/MatMsgAction.kt

@@ -19,31 +19,37 @@ object MatMsgAction : IntentAction() {
 		context: Context,
 		data: ByteArray
 	): Intent? {
-		val encoded = String(data)
-		// Allow arbitrary order.
-		val to = encoded.extractFirst("""[:;]TO:([\w.%@+-]+);""")
-		val sub = encoded.extractFirst("""[:;]SUB:([^;]+);""")
-		val body = encoded.extractFirst("""[:;]BODY:([^;]+);""")
+		val mm = MatMsg(String(data))
 		// Allow incomplete but not completely missing data.
-		if (to == null && sub == null && body == null) {
+		if (mm.isEmpty()) {
 			return null
 		}
 		return Intent(
 			Intent.ACTION_SENDTO,
 			Uri.parse("mailto:")
 		).apply {
-			to?.let {
-				putExtra(Intent.EXTRA_EMAIL, arrayOf(to))
+			mm.to?.let {
+				putExtra(Intent.EXTRA_EMAIL, arrayOf(mm.to))
 			}
-			sub?.let {
-				putExtra(Intent.EXTRA_SUBJECT, sub)
+			mm.sub?.let {
+				putExtra(Intent.EXTRA_SUBJECT, mm.sub)
 			}
-			body?.let {
-				putExtra(Intent.EXTRA_TEXT, body)
+			mm.body?.let {
+				putExtra(Intent.EXTRA_TEXT, mm.body)
 			}
 		}
 	}
 }
 
+// Public so this can be tested.
+class MatMsg(encoded: String) {
+	// Allow arbitrary order.
+	val to = encoded.extractFirst("""[:;]TO:([\w.%@+-]+);""")
+	val sub = encoded.extractFirst("""[:;]SUB:([^;]+);""")
+	val body = encoded.extractFirst("""[:;]BODY:([^;]+);""")
+
+	fun isEmpty() = to == null && sub == null && body == null
+}
+
 private fun String.extractFirst(regex: String) =
 	regex.toRegex().find(this)?.groupValues?.get(1)

app/src/test/kotlin/de/markusfisch/android/binaryeye/actions/mail/MatMsgTest.kt

@@ -0,0 +1,43 @@
+package de.markusfisch.android.binaryeye.actions.mail
+
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+
+class MatMsgTest {
+	@Test
+	fun to() {
+		val mm = MatMsg(
+			"MATMSG:TO:someone@example.org;;"
+		)
+		assertEquals(mm.to, "someone@example.org")
+	}
+
+	@Test
+	fun toSub() {
+		val mm = MatMsg(
+			"MATMSG:TO:someone@example.org;SUB:Stuff;;"
+		)
+		assertEquals(mm.to, "someone@example.org")
+		assertEquals(mm.sub, "Stuff")
+	}
+
+	@Test
+	fun toSubBody() {
+		val mm = MatMsg(
+			"MATMSG:TO:someone@example.org;SUB:Stuff;BODY:This is some text;;"
+		)
+		assertEquals(mm.to, "someone@example.org")
+		assertEquals(mm.sub, "Stuff")
+		assertEquals(mm.body, "This is some text")
+	}
+
+	@Test
+	fun differentOrder() {
+		val mm = MatMsg(
+			"MATMSG:SUB:Stuff;BODY:This is some text;TO:someone@example.org;;"
+		)
+		assertEquals(mm.to, "someone@example.org")
+		assertEquals(mm.sub, "Stuff")
+		assertEquals(mm.body, "This is some text")
+	}
+}

app/src/test/kotlin/de/markusfisch/android/binaryeye/actions/vtype/VTypeTest.kt

@@ -1,6 +1,5 @@
 package de.markusfisch.android.binaryeye.actions.vtype
 
-import de.markusfisch.android.binaryeye.simpleFail
 import junit.framework.TestCase.*
 import org.junit.Test
 

app/src/test/kotlin/de/markusfisch/android/binaryeye/actions/web/WebTest.kt

@@ -1,6 +1,5 @@
 package de.markusfisch.android.binaryeye.actions.web
 
-import de.markusfisch.android.binaryeye.simpleFail
 import junit.framework.TestCase.*
 import org.junit.Test