Add unit tests for WifiConfigStore.xml parser

Added Robolectric dependency because we use Android dependency for XML parsing.

Issue: #34

app/build.gradle

@@ -29,6 +29,7 @@ android {
     lintOptions {
         abortOnError false
     }
+    testOptions.unitTests.includeAndroidResources = true
 }
 
 dependencies {
@@ -41,6 +42,7 @@ dependencies {
     implementation 'commons-codec:commons-codec:1.11'
 
     testImplementation 'junit:junit:4.12'
+    testImplementation 'org.robolectric:robolectric:4.0'
 }
 
 configurations.all {

app/src/test/java/be/brunoparmentier/wifikeyshare/utils/WifiConfigStoreParserTest.java

@@ -0,0 +1,75 @@
+/*
+ * WiFiKeyShare. Share Wi-Fi passwords with QR codes or NFC tags.
+ * Copyright (C) 2018 Bruno Parmentier <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package be.brunoparmentier.wifikeyshare.utils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import be.brunoparmentier.wifikeyshare.model.WifiAuthType;
+import be.brunoparmentier.wifikeyshare.model.WifiNetwork;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(RobolectricTestRunner.class)
+public class WifiConfigStoreParserTest {
+
+    private final List<WifiNetwork> expectedWifiNetworks = new ArrayList<>();
+
+    @Before
+    public void setUp() {
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test1", WifiAuthType.OPEN, "", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test2", WifiAuthType.WEP, "test", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test3", WifiAuthType.WPA2_PSK, "test1234", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test4", WifiAuthType.WPA2_PSK, "ABCDEFGHI0123456789JKLMNOP", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test5", WifiAuthType.WPA2_PSK, "\";/\\=#}`,\\\"$4<d)=%", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test6", WifiAuthType.WPA2_EAP, "", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "test7", WifiAuthType.WPA2_EAP, "", false));
+        expectedWifiNetworks.add(new WifiNetwork(
+                "a\"=$\\o(#=>™•,k8", WifiAuthType.OPEN, "", false));
+
+
+    }
+
+    @Test
+    public void parse() throws XmlPullParserException, IOException {
+        InputStream wifiConfigStoreFileStream =
+                getClass().getClassLoader().getResourceAsStream("test_WifiConfigStore.xml");
+
+        List<WifiNetwork> parsedWifiNetworks = WifiConfigStoreParser.parse(wifiConfigStoreFileStream);
+        assertEquals(expectedWifiNetworks.size(), parsedWifiNetworks.size());
+        for (int i = 0; i < expectedWifiNetworks.size(); i++) {
+            assertEquals(expectedWifiNetworks.get(i), parsedWifiNetworks.get(i));
+        }
+    }
+}