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 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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package org.apache.cayenne.query;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import org.apache.cayenne.util.Util;
import org.junit.Test;

public class SQLTemplateTest {

	@Test
	public void testSetParams() throws Exception {
		SQLTemplate query = new SQLTemplate();

		assertTrue(query.getParams().isEmpty());

		Map<String, Object> params = new HashMap<>();
		params.put("a", "b");

		query.setParams(params);
		assertEquals(params, query.getParams());

		query.setParams(null);
		assertTrue(query.getParams().isEmpty());
	}

	@Test
	public void testSetParamsArray() throws Exception {
		SQLTemplate query = new SQLTemplate();

		assertTrue(query.getPositionalParams().isEmpty());

		query.setParamsArray("N", "m");
		assertEquals(Arrays.asList("N", "m"), query.getPositionalParams());

		query.setParamsArray();
		assertTrue(query.getPositionalParams().isEmpty());
	}

	@Test
	public void testSetParams_MixingStyles() throws Exception {

		SQLTemplate query = new SQLTemplate();

		assertTrue(query.getParams().isEmpty());
		assertTrue(query.getPositionalParams().isEmpty());

		Map<String, Object> params = Collections.<String, Object> singletonMap("a", "b");
		query.setParams(params);
		assertEquals(params, query.getParams());
		assertTrue(query.getPositionalParams().isEmpty());

		query.setParamsArray("D", "G");
		assertEquals(Arrays.asList("D", "G"), query.getPositionalParams());
		assertTrue(query.getParams().isEmpty());

		// even resetting named to null should result in resetting positional
		query.setParams(null);
		assertTrue(query.getParams().isEmpty());
		assertTrue(query.getPositionalParams().isEmpty());
	}

	@Test
	public void testGetDefaultTemplate() {
		SQLTemplate query = new SQLTemplate();
		query.setDefaultTemplate("AAA # BBB");
		assertEquals("AAA # BBB", query.getDefaultTemplate());
	}

	@Test
	public void testGetTemplate() {
		SQLTemplate query = new SQLTemplate();

		// no template for key, no default template... must be null
		assertNull(query.getTemplate("key1"));

		// no template for key, must return default
		query.setDefaultTemplate("AAA # BBB");
		assertEquals("AAA # BBB", query.getTemplate("key1"));

		// must find template
		query.setTemplate("key1", "XYZ");
		assertEquals("XYZ", query.getTemplate("key1"));

		// add another template.. still must find
		query.setTemplate("key2", "123");
		assertEquals("XYZ", query.getTemplate("key1"));
		assertEquals("123", query.getTemplate("key2"));
	}

	@Test
	public void testColumnNameCapitalization() {
		SQLTemplate q1 = new SQLTemplate("E1", "SELECT");
		assertSame(CapsStrategy.DEFAULT, q1.getColumnNamesCapitalization());
		q1.setColumnNamesCapitalization(CapsStrategy.UPPER);
		assertEquals(CapsStrategy.UPPER, q1.getColumnNamesCapitalization());
	}

	@Test
	public void testSerializability() throws Exception {
		SQLTemplate o = new SQLTemplate("Test", "DO SQL");
		Object clone = Util.cloneViaSerialization(o);

		assertTrue(clone instanceof SQLTemplate);
		SQLTemplate c1 = (SQLTemplate) clone;

		assertNotSame(o, c1);
		assertEquals(o.getRoot(), c1.getRoot());
		assertEquals(o.getDefaultTemplate(), c1.getDefaultTemplate());
	}
}