test[OrgAPIWrapper]: add tests for OrgAPIWrapper

src/test/java/edu/group5/app/control/OrgAPIWrapperTest.java

@@ -0,0 +1,74 @@
+package edu.group5.app.control;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import tools.jackson.core.exc.StreamReadException;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.lang.IllegalArgumentException;
+
+public class OrgAPIWrapperTest {
+  String testURL;
+  String wrongURL;
+  String wrongURL2;
+
+  @BeforeEach
+  void init() {
+    this.testURL = "https://app.innsamlingskontrollen.no/api/public/v1/all";
+    this.wrongURL = "This is not a URL";
+    this.wrongURL2 = "https://www.google.com";
+  }
+
+  @Test
+  public void nullURLThrowsException() {
+    IllegalArgumentException exception = assertThrows(IllegalArgumentException.class,
+        () -> new OrgAPIWrapper(null));
+    assertEquals("url can't be null", exception.getMessage());
+  }
+
+  @Test
+  public void emptyURLThrowsException() {
+    IllegalArgumentException exception = assertThrows(IllegalArgumentException.class, () -> new OrgAPIWrapper(""));
+    assertEquals("url can't be blank", exception.getMessage());
+  }
+
+  @Test
+  public void faultyURLThrowsException() {
+    IllegalArgumentException exception = assertThrows(IllegalArgumentException.class,
+        () -> new OrgAPIWrapper(this.wrongURL));
+    assertEquals("url has to be valid", exception.getMessage());
+  }
+
+  // @Test
+  // public void noConnectionReturnsFalseImport() {
+  // assertDoesNotThrow(() -> {
+  // OrgAPIWrapper api = new OrgAPIWrapper(this.testURL);
+  // assertFalse(api.importData());
+  // });
+  // }
+
+  @Test
+  public void importsNonEmptyData() {
+    assertDoesNotThrow(() -> {
+      OrgAPIWrapper api = new OrgAPIWrapper(testURL);
+      assertTrue(api.importData());
+      assertFalse(api.getData().length == 0);
+    });
+  }
+
+  @Test
+  public void nonParseableSiteThrowsExceptionWhenImporting() {
+    assertDoesNotThrow(() -> {
+      OrgAPIWrapper api = new OrgAPIWrapper(this.wrongURL2);
+      StreamReadException exception = assertThrows(StreamReadException.class, () -> api.importData());
+      assertEquals("The URL leads to a website that can't be parsed", exception.getMessage());
+    });
+  }
+
+}