implement model for message responses

src/test/java/de/stklcode/pubtrans/ura/model/MessageTest.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2016-2019 Stefan Kalscheuer
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package de.stklcode.pubtrans.ura.model;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
+import static org.junit.jupiter.api.Assertions.fail;
+
+/**
+ * Unit test for the {@link Message} metamodel.
+ *
+ * @author Stefan Kalscheuer
+ */
+public class MessageTest {
+    @Test
+    public void basicConstructorTest() {
+        Message message = new Message("sid",
+                "name",
+                "indicator",
+                1,
+                2.345,
+                6.789,
+                "msg_uuid",
+                1,
+                3,
+                "message text");
+        assertThat(message.getStop().getId(), is("sid"));
+        assertThat(message.getStop().getName(), is("name"));
+        assertThat(message.getStop().getIndicator(), is("indicator"));
+        assertThat(message.getStop().getState(), is(1));
+        assertThat(message.getStop().getLatitude(), is(2.345));
+        assertThat(message.getStop().getLongitude(), is(6.789));
+        assertThat(message.getUuid(), is("msg_uuid"));
+        assertThat(message.getType(), is(1));
+        assertThat(message.getPriority(), is(3));
+        assertThat(message.getText(), is("message text"));
+    }
+
+    @Test
+    public void listConstructorTest() {
+        /* Create valid raw data list */
+        List<Object> raw = new ArrayList<>();
+        raw.add(1);
+        raw.add("stopName");
+        raw.add("stopId");
+        raw.add("stopIndicator");
+        raw.add(9);
+        raw.add(8.765);
+        raw.add(43.21);
+        raw.add("msg_uuid");
+        raw.add(1);
+        raw.add(3);
+        raw.add("message text");
+
+        try {
+            Message message = new Message(raw);
+            assertThat(message.getStop().getId(), is("stopId"));
+            assertThat(message.getStop().getName(), is("stopName"));
+            assertThat(message.getStop().getIndicator(), is("stopIndicator"));
+            assertThat(message.getStop().getState(), is(9));
+            assertThat(message.getStop().getLatitude(), is(8.765));
+            assertThat(message.getStop().getLongitude(), is(43.21));
+            assertThat(message.getUuid(), is("msg_uuid"));
+            assertThat(message.getType(), is(1));
+            assertThat(message.getPriority(), is(3));
+            assertThat(message.getText(), is("message text"));
+        } catch (IOException e) {
+            fail("Creation of Message from valid list failed: " + e.getMessage());
+        }
+
+        /* Excess elements should be ignored */
+        raw.add("foo");
+        try {
+            Message message = new Message(raw);
+            assertThat(message, is(notNullValue()));
+            raw.remove(11);
+        } catch (IOException e) {
+            fail("Creation of Message from valid list failed: " + e.getMessage());
+        }
+
+        /* Test exceptions on invalid data */
+        List<Object> invalid = new ArrayList<>(raw);
+        invalid.remove(7);
+        invalid.add(7, 123L);
+        try {
+            new Message(invalid);
+            fail("Creation of Message with invalid UUID field successful");
+        } catch (Exception e) {
+            assertThat(e, is(instanceOf(IOException.class)));
+        }
+
+        invalid = new ArrayList<>(raw);
+        invalid.remove(8);
+        invalid.add(8, "abc");
+        try {
+            new Message(invalid);
+            fail("Creation of Message with invalid type field successful");
+        } catch (Exception e) {
+            assertThat(e, is(instanceOf(IOException.class)));
+        }
+
+        invalid = new ArrayList<>(raw);
+        invalid.remove(9);
+        invalid.add(9, "xyz");
+        try {
+            new Message(invalid);
+            fail("Creation of Message with invalid priority field successful");
+        } catch (Exception e) {
+            assertThat(e, is(instanceOf(IOException.class)));
+        }
+
+        invalid = new ArrayList<>(raw);
+        invalid.remove(10);
+        invalid.add(10, 1.23);
+        try {
+            new Message(invalid);
+            fail("Creation of Message with invalid text field successful");
+        } catch (Exception e) {
+            assertThat(e, is(instanceOf(IOException.class)));
+        }
+
+        invalid = new ArrayList<>(raw);
+        invalid.remove(10);
+        try {
+            new Message(invalid);
+            fail("Creation of Message with too short list successful");
+        } catch (Exception e) {
+            assertThat(e, is(instanceOf(IOException.class)));
+        }
+    }
+}