/*
 * Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate licenses
 * this file to you 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package io.crate.operation.scalar.regex;

import io.crate.analyze.symbol.Literal;
import io.crate.operation.scalar.AbstractScalarFunctionsTest;
import org.junit.Test;

import static io.crate.testing.SymbolMatchers.isFunction;
import static io.crate.testing.SymbolMatchers.isLiteral;


public class ReplaceFunctionTest extends AbstractScalarFunctionsTest {

    @Test
    public void testEvaluate() throws Exception {
        assertEvaluate(
            "regexp_replace(name, '(ba)', 'Crate')",
            "fooCraterbequebaz bar",
            Literal.of("foobarbequebaz bar"));
    }

    @Test
    public void testNormalizeSymbol() throws Exception {
        assertNormalize("regexp_replace('foobarbequebaz bar', '(ba)', 'Crate')", isLiteral("fooCraterbequebaz bar"));
        assertNormalize("regexp_replace(name, '(ba)', 'Crate')", isFunction(ReplaceFunction.NAME));
    }

    @Test
    public void testEvalWithFlags() throws Exception {
        assertEvaluate("regexp_replace('st. cloud', '[^a-z]', '', 'g')", "stcloud");
        assertEvaluate("regexp_replace(name, '[^a-z]', '', 'g')", "stcloud", Literal.of("st. cloud"));
    }

    @Test
    public void testNormalizeSymbolWithFlags() throws Exception {
        assertNormalize("regexp_replace('foobarbequebaz bar', '(ba)', 'Crate', 'us n')", isLiteral("fooCraterbequebaz bar"));
    }

    @Test
    public void testNormalizeSymbolWithInvalidFlags() throws Exception {
        expectedException.expect(UnsupportedOperationException.class);
        expectedException.expectMessage("unknown function: regexp_replace(string, string, string, long)");

        assertNormalize("regexp_replace('foobar', 'foo', 'bar', 1)", isLiteral(""));
    }

    @Test
    public void testNormalizeSymbolWithInvalidNumberOfArguments() throws Exception {
        expectedException.expect(UnsupportedOperationException.class);
        assertNormalize("regexp_replace('foobar')", isLiteral(""));
    }

    @Test
    public void testNormalizeSymbolWithInvalidArgumentType() throws Exception {
        expectedException.expect(UnsupportedOperationException.class);
        expectedException.expectMessage("unknown function: regexp_replace(string, string, long)");

        assertNormalize("regexp_replace('foobar', '.*', 1)", isLiteral(""));
    }
}