add testing facilities

build.gradle

@@ -27,7 +27,9 @@ repositories {
 }
 
 dependencies {
-  testCompile 'com.licel:jcardsim:2.2.2'
+  testCompile("com.licel:jcardsim:2.2.2")
+  testCompile("org.junit.jupiter:junit-jupiter-api:5.0.0")
+  testRuntime("org.junit.jupiter:junit-jupiter-engine:5.0.0")
 }
 
 sourceCompatibility = 1.3
@@ -36,3 +38,8 @@ targetCompatibility = 1.3
 task wrapper(type: Wrapper) {
   gradleVersion = '2.10'
 }
+
+compileTestJava {
+  sourceCompatibility = 1.8
+  targetCompatibility = 1.8
+}

scripts/statuswallet_smoketest.gpshell

@@ -1,8 +0,0 @@
-mode_211
-enable_trace
-establish_context
-card_connect
-select -AID 53746174757357616C6C6574417070
-send_apdu_nostop -APDU 80AA008000
-card_disconnect
-release_context

src/test/java/im/status/wallet/WalletAppletCommandSet.java

@@ -0,0 +1,19 @@
+package im.status.wallet;
+
+import javacard.framework.ISO7816;
+import org.bouncycastle.util.encoders.Hex;
+
+import javax.smartcardio.CardChannel;
+import javax.smartcardio.CardException;
+import javax.smartcardio.CommandAPDU;
+import javax.smartcardio.ResponseAPDU;
+
+public class WalletAppletCommandSet {
+  public static final String APPLET_AID = "53746174757357616C6C6574417070";
+  public static final byte[] APPLET_AID_BYTES = Hex.decode(APPLET_AID);
+
+  public static ResponseAPDU select(CardChannel apduChannel) throws CardException {
+    CommandAPDU selectApplet = new CommandAPDU(ISO7816.CLA_ISO7816, ISO7816.INS_SELECT, 4, 0, APPLET_AID_BYTES);
+    return apduChannel.transmit(selectApplet);
+  }
+}

src/test/java/im/status/wallet/WalletAppletTest.java

@@ -0,0 +1,54 @@
+package im.status.wallet;
+
+import org.bouncycastle.util.encoders.Hex;
+import org.junit.jupiter.api.*;
+
+import javax.smartcardio.*;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@DisplayName("Test the Wallet Applet")
+public class WalletAppletTest {
+  private static final String APPLET_AID = "53746174757357616C6C6574417070";
+  private static final byte[] APPLET_AID_BYTES = Hex.decode(APPLET_AID);
+
+  private static CardTerminal cardTerminal;
+  private static CardChannel apduChannel;
+
+  @BeforeAll
+  static void initAll() throws CardException {
+    TerminalFactory tf = TerminalFactory.getDefault();
+
+    for (CardTerminal t : tf.terminals().list()) {
+      if (t.isCardPresent()) {
+        cardTerminal = t;
+        break;
+      }
+    }
+
+    Card apduCard = cardTerminal.connect("T=1");
+    apduChannel = apduCard.getBasicChannel();
+  }
+
+  @BeforeEach
+  void init() {
+  }
+
+  @AfterEach
+  void tearDown() {
+  }
+
+  @AfterAll
+  static void tearDownAll() {
+
+  }
+
+  @Test
+  @DisplayName("SELECT command")
+  void selectTest() throws CardException {
+    //TODO: as soon as secure channel is implemented, check that a public key is returned.
+
+    ResponseAPDU response = WalletAppletCommandSet.select(apduChannel);
+    assertEquals(0x9000, response.getSW());
+  }
+}