#36 Test that constructor does not allow null config

Signed-off-by: Sven Strittmatter <sven.strittmatter@iteratec.com>

Author: Weltraumschaf

src/test/java/io/securecodebox/persistence/defectdojo/service/ImportScanServiceTest.java

@@ -0,0 +1,30 @@
+package io.securecodebox.persistence.defectdojo.service;
+
+import io.securecodebox.persistence.defectdojo.config.DefectDojoConfig;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+
+/**
+ * Tests for {@link ImportScanService}
+ */
+class ImportScanServiceTest {
+    private final DefectDojoConfig config = new DefectDojoConfig(
+            "url",
+            "apiKey",
+            "username",
+            23,
+            42L
+    );
+    private final ImportScanService sut = new ImportScanService(config);
+
+    @Test
+    void constructorShouldThrowExceptionOnNullConfig() {
+        assertThrows(NullPointerException.class, () -> {
+            new ImportScanService(null);
+        });
+    }
+}