Build coverage report (#3)

Add first unit test & code coverage config

app/src/test/java/io/github/wulkanowy/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package io.github.wulkanowy;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}

app/src/test/java/io/github/wulkanowy/activity/main/CheckPassTest.java

@@ -0,0 +1,28 @@
+package io.github.wulkanowy.activity.main;
+
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class CheckPassTest {
+
+    @Test
+    public void testFailureLogin() throws Exception {
+        String html = "<div class='ErrorMessage center'>Zła nazwa użytkownika lub hasło</div>";
+        Document doc = Jsoup.parse(html);
+        CheckPass obj = new CheckPass(doc);
+
+        assertFalse(obj.isLogged());
+    }
+
+    @Test
+    public void testSuccessfulLogin() throws Exception {
+        String html = "<title>Working...</title>";
+        Document doc = Jsoup.parse(html);
+        CheckPass check = new CheckPass(doc);
+
+        assertTrue(check.isLogged());
+    }
+}