implement due date calculation for colors (WiP)

2 files changed, 75 insertions, 17 deletions

diff --git a/app/src/test/java/it/niedermann/nextcloud/deck/DueDateUnitTest.java b/app/src/test/java/it/niedermann/nextcloud/deck/DueDateUnitTest.java
new file mode 100644
index 000000000..70359f4ed
--- /dev/null
+++ b/app/src/test/java/it/niedermann/nextcloud/deck/DueDateUnitTest.java
@@ -0,0 +1,75 @@
+package it.niedermann.nextcloud.deck;
+
+import org.junit.Test;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import it.niedermann.nextcloud.deck.ui.card.CardAdapter;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Local unit tests for due date calculations (overdue, today, tommorrow, far in the future).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class DueDateUnitTest {
+    @Test
+    public void dueDate_isOverdue() {
+        Calendar calendar = new GregorianCalendar();
+        calendar.set(2018, 12, 10);
+        Date due = calendar.getTime();
+
+        calendar.set(2018, 12, 11);
+        Date actual = calendar.getTime();
+
+        long diff = CardAdapter.getDayDifference(actual, due);
+
+        assertEquals(-1, diff);
+    }
+
+    @Test
+    public void dueDate_isToday() {
+        Calendar calendar = new GregorianCalendar();
+        calendar.set(2018, 12, 11);
+        Date due = calendar.getTime();
+
+        calendar.set(2018, 12, 11);
+        Date actual = calendar.getTime();
+
+        long diff = CardAdapter.getDayDifference(actual, due);
+
+        assertEquals(0, diff);
+    }
+
+    @Test
+    public void dueDate_isTomorrow() {
+        Calendar calendar = new GregorianCalendar();
+        calendar.set(2018, 12, 12);
+        Date due = calendar.getTime();
+
+        calendar.set(2018, 12, 11);
+        Date actual = calendar.getTime();
+
+        long diff = CardAdapter.getDayDifference(actual, due);
+
+        assertEquals(1, diff);
+    }
+
+    @Test
+    public void dueDate_isInTheFarFuture() {
+        Calendar calendar = new GregorianCalendar();
+        calendar.set(2018, 12, 20);
+        Date due = calendar.getTime();
+
+        calendar.set(2018, 12, 11);
+        Date actual = calendar.getTime();
+
+        long diff = CardAdapter.getDayDifference(actual, due);
+
+        assertTrue(diff>1);
+    }
+}
\ No newline at end of file
diff --git a/app/src/test/java/it/niedermann/nextcloud/deck/ExampleUnitTest.java b/app/src/test/java/it/niedermann/nextcloud/deck/ExampleUnitTest.java
deleted file mode 100644
index 29b23ce22..000000000
--- a/app/src/test/java/it/niedermann/nextcloud/deck/ExampleUnitTest.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package it.niedermann.nextcloud.deck;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-/**
- * 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() {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file