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package com.google.refine.expr.functions;

import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;

import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

import java.util.Arrays;
import java.util.List;
import java.util.Properties;

import com.google.refine.RefineTest;
import com.google.refine.expr.EvalError;
import com.google.refine.util.TestUtils;


public class TypeTests extends RefineTest {
    static final List<String> listArray = Arrays.asList("v1", "v2", "v3");
    private static OffsetDateTime dateTimeValue = OffsetDateTime.parse("2017-05-12T05:45:00+00:00", DateTimeFormatter.ISO_OFFSET_DATE_TIME);

    @Override
    @BeforeTest
    public void init() {
        logger = LoggerFactory.getLogger(this.getClass());
    }

    @BeforeMethod
    public void setUp() {
        bindings = new Properties();
    }

    @AfterMethod
    public void tearDown() {
        bindings = null;
    }

    @Test
    public void testTypeInvalidParams() {
        Assert.assertTrue(invoke("type") instanceof EvalError);
    }

    @Test
    public void testType() {
        Assert.assertEquals(invoke("type", (Object) null),"undefined");
        Assert.assertEquals(invoke("type", 1),"number");
        Assert.assertEquals(invoke("type", true),"boolean");
        Assert.assertEquals(invoke("type", "a string"),"string");
        Assert.assertEquals(invoke("type", dateTimeValue), "date");
        Assert.assertEquals(invoke("type", listArray), "array");
    }

    @Test
    public void serializeType() {
        String json = "{\"description\":\"Returns the type of o as a string ('string', 'date', 'number', 'array', 'boolean' or a class name)\",\"params\":\"object o\",\"returns\":\"string\"}";
        TestUtils.isSerializedTo(new Type(), json);
    }
}

