extract keycloak configuration file name

integration/spring-security/src/test/java/org/keycloak/adapters/springsecurity/AdapterDeploymentContextBeanTest.java

@@ -0,0 +1,56 @@
+package org.keycloak.adapters.springsecurity;
+
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+
+import java.io.FileNotFoundException;
+
+import static org.junit.Assert.assertNotNull;
+
+public class AdapterDeploymentContextBeanTest {
+
+    @Rule
+    public ExpectedException expectedException = ExpectedException.none();
+
+    private AdapterDeploymentContextBean adapterDeploymentContextBean;
+
+    @Test
+    public void should_create_deployment_and_deployment_context() throws Exception {
+
+        //given:
+        adapterDeploymentContextBean = new AdapterDeploymentContextBean(getCorrectResource());
+
+        //when:
+        adapterDeploymentContextBean.afterPropertiesSet();
+
+        //then
+        assertNotNull(adapterDeploymentContextBean.getDeployment());
+        assertNotNull(adapterDeploymentContextBean.getDeploymentContext());
+    }
+
+    private Resource getCorrectResource() {
+        return new ClassPathResource("keycloak.json");
+    }
+
+    @Test
+    public void should_throw_exception_when_configuration_file_was_not_found() throws Exception {
+
+        //given:
+        adapterDeploymentContextBean = new AdapterDeploymentContextBean(getEmptyResource());
+
+        //then:
+        expectedException.expect(FileNotFoundException.class);
+        expectedException.expectMessage("Unable to locate Keycloak configuration file: no-file.json");
+
+        //when:
+        adapterDeploymentContextBean.afterPropertiesSet();
+    }
+
+    private Resource getEmptyResource() {
+        return new ClassPathResource("no-file.json");
+    }
+}

integration/spring-security/src/test/resources/keycloak.json

@@ -0,0 +1,10 @@
+{
+    "realm": "spring-security",
+    "realm-public-key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCh65Gqi3BSaVe12JHlqChWm8WscICrj46MVqmRoO9FCmqbxEpCQhE1RLjW+GDyc3YdXW3xqUQ3AZxDkTmN1h6BWkhdxPLzA4EnwgWmGurhyJlUF9Id2tKns0jbC+Z7kIb2LcOiKHKL7mRb3q7EtWubNnrvunv8fx+WeXGaQoGEVQIDAQAB",
+    "auth-server-url": "http://localhost:8080/auth",
+    "ssl-required": "external",
+    "resource": "some-resource",
+    "credentials": {
+        "secret": "a9c3501e-20dd-4277-8a7b-351063848446"
+    }
+}