make FileImportCache generic, iterable, and add unit test

1 files changed, 54 insertions, 0 deletions

diff --git a/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/util/FileImportCacheTest.java b/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/util/FileImportCacheTest.java
new file mode 100644
index 000000000..b5708b46f
--- /dev/null
+++ b/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/util/FileImportCacheTest.java
@@ -0,0 +1,54 @@
+package org.sufficientlysecure.keychain.util;
+
+import android.os.Bundle;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.shadows.ShadowLog;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+@org.robolectric.annotation.Config(emulateSdk = 18) // Robolectric doesn't yet support 19
+public class FileImportCacheTest {
+
+    @Before
+    public void setUp() throws Exception {
+        ShadowLog.stream = System.out;
+    }
+
+    @Test
+    public void testInputOutput() throws Exception {
+
+        FileImportCache<Bundle> cache = new FileImportCache<Bundle>(Robolectric.application);
+
+        ArrayList<Bundle> list = new ArrayList<Bundle>();
+
+        for (int i = 0; i < 50; i++) {
+            Bundle b = new Bundle();
+            b.putInt("key1", i);
+            b.putString("key2", Integer.toString(i));
+            list.add(b);
+        }
+
+        // write to cache file
+        cache.writeCache(list);
+
+        // read back
+        List<Bundle> last = cache.readCacheIntoList();
+
+        for (int i = 0; i < list.size(); i++) {
+            Assert.assertEquals("input values should be equal to output values",
+                    list.get(i).getInt("key1"), last.get(i).getInt("key1"));
+            Assert.assertEquals("input values should be equal to output values",
+                    list.get(i).getString("key2"), last.get(i).getString("key2"));
+        }
+
+    }
+
+}