Add persistance tests

1 files changed, 36 insertions, 0 deletions

diff --git a/src/test/persistance/JsonUtilsTest.java b/src/test/persistance/JsonUtilsTest.java
new file mode 100644
index 0000000..9ab9b1c
--- /dev/null
+++ b/src/test/persistance/JsonUtilsTest.java
@@ -0,0 +1,36 @@
+package persistance;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayDeque;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class JsonUtilsTest {
+    private static final String testPath = "data/test.cache";
+
+    @Test
+    void testWritingEmptyFile() {
+        ArrayDeque<String> test = new ArrayDeque<>();
+        JsonUtils.writeToFile(new JSONArray(test), testPath);
+
+        JSONArray dugUp = JsonUtils.readFromFile(testPath);
+        assertTrue(dugUp.isEmpty());
+    }
+
+    @Test
+    void testWritingLists() {
+        ArrayDeque<String> test = new ArrayDeque<>();
+        test.add("/home/apropos/foo/bar"); // absolute path
+        test.add("data"); // relative path
+        test.add("/home/apropos/baz/bar"); // another path
+        JsonUtils.writeToFile(new JSONArray(test), testPath);
+
+        JSONArray dugUp = JsonUtils.readFromFile(testPath);
+        for (int i = 0; i < dugUp.length(); i++) {
+            assertTrue(test.removeFirst().equals(dugUp.get(i)));
+        }
+    }
+}