Amazon and eBay Buy/Sell APIs

src/test/java/de/rwu/easydrop/api/client/EbayPurchaserTest.java

@@ -0,0 +1,77 @@
+package de.rwu.easydrop.api.client;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.lang.reflect.Field;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.MockitoAnnotations;
+
+class EbayPurchaserTest {
+    private EbayPurchaser demoPurchaser;
+
+    private static String demoApiKey = "my-api-key";
+    private static String demoApiUrl = "https://www.example.com/api";
+    private static String demoDataTarget = "eBay";
+
+    @BeforeEach
+    void setup() {
+        demoPurchaser = new EbayPurchaser(
+                demoApiUrl,
+                demoApiKey);
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void testConstructor() {
+        // Assert
+        try {
+            Field baseUrlField = EbayPurchaser.class.getDeclaredField("baseUrl");
+            baseUrlField.setAccessible(true);
+            Assertions.assertEquals(demoApiUrl, baseUrlField.get(demoPurchaser));
+
+            Field apiKeyField = EbayPurchaser.class.getDeclaredField("apiKey");
+            apiKeyField.setAccessible(true);
+            Assertions.assertEquals(demoApiKey, apiKeyField.get(demoPurchaser));
+        } catch (NoSuchFieldException e) {
+            Assertions.fail();
+        } catch (IllegalAccessException e) {
+            Assertions.fail();
+        }
+    }
+
+    @Test
+    void testCreateApiUrl() throws MalformedURLException {
+        // Test case 1
+        String productId1 = "12345";
+        URL expectedUrl1 = new URL(
+                "https://www.example.com/api/buy/"
+                        + productId1);
+        URL createdUrl1 = demoPurchaser.createApiUrl(productId1);
+        Assertions.assertEquals(expectedUrl1, createdUrl1);
+
+        // Test case 2
+        String productId2 = "67890";
+        URL expectedUrl2 = new URL(
+                "https://www.example.com/api/buy/"
+                        + productId2);
+        URL createdUrl2 = demoPurchaser.createApiUrl(productId2);
+        Assertions.assertEquals(expectedUrl2, createdUrl2);
+    }
+
+    @Test
+    void getDataTarget_ReturnsExpectedDataOrigin() {
+        String dataTarget = demoPurchaser.getDataTarget();
+        assertEquals(demoDataTarget, dataTarget);
+    }
+
+    @Test
+    void getApiKey_ReturnsExpectedApiKey() {
+        String apiKey = demoPurchaser.getApiKey();
+        assertEquals(demoApiKey, apiKey);
+    }
+}