Add Core Lambda Unit tests

.gitignore

@@ -88,3 +88,5 @@ Lambdas/Lists/src/main/resources/dbProperties.json
 Lambdas/Lists/target/classes/dbProperties.json
 Lambdas/Lists/target/classes/META-INF/Lists.kotlin_module
 Listify/app/src/main/res/raw/auths.json
+Lambdas/Lists/target/surefire-reports/TestInputUtils.txt
+Lambdas/Lists/target/surefire-reports/TEST-TestInputUtils.xml

Lambdas/Lists/pom.xml

@@ -89,9 +89,27 @@
             <artifactId>jackson-databind</artifactId>
             <version>2.11.3</version>
         </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
     <properties>
         <maven.compiler.source>1.11</maven.compiler.source>
         <maven.compiler.target>1.11</maven.compiler.target>
     </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <release>11</release>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>

Lambdas/Lists/src/main/java/DBConnector.java

@@ -13,13 +13,12 @@ public class DBConnector {
     Connection connection;
 
     public DBConnector() throws IOException, SQLException, ClassNotFoundException {
-        this(loadProperties("dbProperties.json"));
+        this(loadProperties(DBConnector.class.getResource("dbProperties.json").getPath()));
     }
 
     public DBConnector(Properties dbProperties) throws SQLException, ClassNotFoundException {
         Class.forName("org.mariadb.jdbc.Driver");
         System.out.println(dbProperties);
-        System.out.println(DBConnector.buildURL(dbProperties));
         connection = DriverManager.getConnection(dbProperties.get("url").toString(), dbProperties.get("user").toString(), dbProperties.get("password").toString());
         System.out.println(connection);
     }
@@ -43,11 +42,4 @@ public class DBConnector {
         propertiesJSON.keys().forEachRemaining(key -> toReturn.setProperty(key, propertiesJSON.get(key).toString()));
         return toReturn;
     }
-
-    public static String buildURL(Properties dbProperties) {
-        String dbURL = dbProperties.get("url").toString();
-        dbURL += "?user=" + dbProperties.get("user").toString();
-        dbURL += "&password=" + dbProperties.get("password").toString();
-        return dbURL;
-    }
 }

Lambdas/Lists/src/main/java/InputUtils.java

@@ -10,12 +10,7 @@ public class InputUtils {
     public static String getCognitoIDFromBody(Map<String, Object> inputMap) {
         System.out.println(inputMap.keySet());
         System.out.println(inputMap.entrySet());
-        Map<String, Object> contextMap;
-        if ((inputMap.get("context") != null) && (inputMap.get("context") instanceof Map<?, ?>)) {
-            contextMap = ((Map<String, Object>) inputMap.get("context"));
-        } else {
-            throw new IllegalArgumentException("The key \"context\" must exist and be a map");
-        }
+        Map<String, Object> contextMap = getMap(inputMap, "context");
         System.out.println(inputMap.get("context"));
         System.out.println(contextMap.get("sub"));
         return contextMap.get("sub").toString();
@@ -25,20 +20,8 @@ public class InputUtils {
         return getMap(inputMap, "body");
     }
 
-    private static String getQueryString(Map<String, Object> inputMap) {
-        return (String) (getMap(inputMap, "params").get("querystring"));
-    }
-
     public static HashMap<String, String> getQueryParams(Map<String, Object> inputMap) {
         return (HashMap<String, String>) (getMap(inputMap, "params").get("querystring"));
-
-//        String queryString = getQueryString(inputMap);
-//        List<NameValuePair> queryparams = URLEncodedUtils.parse(queryString, StandardCharsets.UTF_8);
-//        HashMap<String, String> mappedParams = new HashMap<>();
-//        for (NameValuePair param : queryparams) {
-//            mappedParams.put(param.getName(), param.getValue());
-//        }
-//        return mappedParams;
     }
 
 

Lambdas/Lists/src/test/java/BadCallListener.java

@@ -0,0 +1,33 @@
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class BadCallListener extends CallListener {
+
+    static SQLException toThrowSQL = null;
+    static RuntimeException toThrowRuntime = null;
+
+
+    public BadCallListener(DBConnector connector, String cognitoID) {
+        super(connector, cognitoID);
+    }
+
+    @Override
+    public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
+        if (toThrowSQL != null) {
+            throw toThrowSQL;
+        }
+        throw toThrowRuntime;
+    }
+
+    public static void setRuntimeException(RuntimeException newException) {
+        toThrowRuntime = newException;
+        toThrowSQL = null;
+    }
+
+    public static void setSQLException(SQLException newException) {
+        toThrowRuntime = null;
+        toThrowSQL = newException;
+    }
+
+}

Lambdas/Lists/src/test/java/CallListener.java

@@ -0,0 +1,34 @@
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class CallListener implements CallHandler {
+
+    static int calls = 0;
+
+    static int creates = 0;
+
+    public CallListener(DBConnector connector, String cognitoID) {
+        creates++;
+    }
+
+    @Override
+    public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
+        calls++;
+        return null;
+    }
+
+    public static int getCalls() {
+        return calls;
+    }
+
+    public static void clear() {
+        creates = 0;
+        calls = 0;
+    }
+
+    public static int getCreates() {
+        return creates;
+    }
+
+}

Lambdas/Lists/src/test/java/TestBasicHandler.java

@@ -0,0 +1,55 @@
+import org.junit.Test;
+
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class TestBasicHandler {
+
+    @Test
+    public void testClassCreatedAndCalled() {
+        BasicHandler.handleRequest(buildFullSampleMap(), null, CallListener.class);
+        assert (CallListener.getCreates() == 1);
+        assert (CallListener.getCalls() == 1);
+        CallListener.clear();
+    }
+
+    @Test
+    public void testBadCalls() {
+        BadCallListener.setRuntimeException(new RuntimeException());
+        try {
+            BasicHandler.handleRequest(buildFullSampleMap(), null, BadCallListener.class);
+            assert false;
+        } catch (RuntimeException ignored) {
+
+        }
+        BadCallListener.setSQLException(new SQLException());
+        Object handlerReturn = BasicHandler.handleRequest(buildFullSampleMap(), null, Hidden.class);
+        assert (handlerReturn == null);
+        BadCallListener.clear();
+    }
+
+    @Test
+    public void testBadClass() {
+        try {
+            assert (BasicHandler.handleRequest(buildFullSampleMap(), null, Hidden.class) == null);
+        } catch (Exception ignored) {
+            assert false;
+        }
+    }
+
+    public Map<String, Object> buildFullSampleMap() {
+        Map<String, Object> testMap = new HashMap<>();
+        TestInputUtils.addBody(testMap);
+        TestInputUtils.addCognitoID(testMap);
+        TestInputUtils.addQueryParams(testMap);
+        return testMap;
+    }
+    private class Hidden implements CallHandler{
+
+        @Override
+        public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
+            return null;
+        }
+    }
+}

Lambdas/Lists/src/test/java/TestDBConnector.java

@@ -0,0 +1,25 @@
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.Properties;
+
+public class TestDBConnector {
+
+    @Test
+    public void testLoadProperties() {
+        Properties testProperties;
+        try {
+            testProperties = DBConnector.loadProperties(getClass().getResource("testDBProperties.json").getPath());
+        } catch (IOException e) {
+            System.out.println(e);
+            assert false;
+            return;
+        }
+        Properties testPropertiesKey = new Properties();
+        testPropertiesKey.put("url", "jdbc:mariadb://listify.id.us-east-2.rds.amazonaws.com:3306/ListifySchema");
+        testPropertiesKey.put("user", "auser");
+        testPropertiesKey.put("password", "apassword");
+        assert (testProperties.equals(testPropertiesKey));
+    }
+
+}

Lambdas/Lists/src/test/java/TestInputUtils.java

@@ -0,0 +1,62 @@
+
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class TestInputUtils {
+
+    @Test
+    public void testGetBody() {
+        Map<String, Object> testMap = new HashMap<>();
+        Map<String, String> bodyMap = addBody(testMap);
+        assert (InputUtils.getBody(testMap).equals(bodyMap));
+    }
+
+    @Test
+    public void testGetQueryParams() {
+        Map<String, Object> testMap = new HashMap<>();
+        Map<String, String> queryMap = addQueryParams(testMap);
+        assert (InputUtils.getQueryParams(testMap).equals(queryMap));
+    }
+
+    @Test
+    public void testGetCognitoID() {
+        Map<String, Object> testMap = new HashMap<>();
+        String cognitoID = addCognitoID(testMap);
+        assert (InputUtils.getCognitoIDFromBody(testMap).equals(cognitoID));
+    }
+
+    @Test
+    public void testGetBadMapKey() {
+        Map<String, Object> testMap = new HashMap<>();
+        try {
+            InputUtils.getMap(testMap, "missing");
+            assert (false);
+        } catch (IllegalArgumentException e) {
+
+        }
+    }
+
+    public static  String addCognitoID(Map<String, Object> testMap) {
+        HashMap<String, String> contextMap = new HashMap<>();
+        String cognitoID = "Example id";
+        contextMap.put("sub", cognitoID);
+        testMap.put("context", contextMap);
+        return cognitoID;
+    }
+
+    public static Map<String, String> addQueryParams(Map<String, Object> testMap) {
+        HashMap<String, Object> paramsMap = new HashMap<>();
+        HashMap<String, String> queryMap = new HashMap<>();
+        paramsMap.put("querystring", queryMap);
+        testMap.put("params", paramsMap);
+        return queryMap;
+    }
+
+    public static Map<String, String> addBody(Map<String, Object> testMap) {
+        HashMap<String, String> bodyMap = new HashMap<>();
+        testMap.put("body", bodyMap);
+        return bodyMap;
+    }
+}

Lambdas/Lists/src/test/resources/testDBProperties.json

@@ -0,0 +1,5 @@
+{
+  "url": "jdbc:mariadb://listify.id.us-east-2.rds.amazonaws.com:3306/ListifySchema",
+  "user": "auser",
+  "password": "apassword"
+}

Lambdas/Lists/target/test-classes/testDBProperties.json

@@ -0,0 +1,5 @@
+{
+  "url": "jdbc:mariadb://listify.id.us-east-2.rds.amazonaws.com:3306/ListifySchema",
+  "user": "auser",
+  "password": "apassword"
+}