/*

* Copyright (C) 2007-2014, GoodData(R) Corporation. All rights reserved.

*/

package com.gooddata.md;

import com.fasterxml.jackson.databind.ObjectMapper;

import org.testng.annotations.Test;

import static com.gooddata.JsonMatchers.serializesToJson;

import static org.hamcrest.CoreMatchers.is;

import static org.hamcrest.CoreMatchers.notNullValue;

import static org.hamcrest.MatcherAssert.assertThat;

public class MetricTest {

@Test

public void testDeserialization() throws Exception {

final Metric metric = new ObjectMapper()

.readValue(getClass().getResourceAsStream("/md/metric-out.json"), Metric.class);

assertThat(metric, is(notNullValue()));

assertThat(metric.getExpression(), is("SELECT AVG([/gdc/md/PROJECT_ID/obj/EXPR_ID])"));

assertThat(metric.getFormat(), is("#,##0"));

assertThat(metric.getMaqlAst().getPosition().getLine(), is(2));

assertThat(metric.getMaqlAst().getPosition().getColumn(), is(1));

assertThat(metric.getMaqlAst().getType(), is("metric"));

assertThat(metric.getMaqlAst().getContent().length, is(1));

}

@Test

public void testSerialization() throws Exception {

final Metric metric = new Metric("Person Name", "SELECT SUM([/gdc/md/PROJECT_ID/obj/EXPR_ID])", "FORMAT");

assertThat(metric, serializesToJson("/md/metric-new.json"));

}

@Test

public void fullJsonShouldStayTheSameAfterDeserializationAndSerializationBack() throws Exception {

final Metric metric = new ObjectMapper()

.readValue(getClass().getResourceAsStream("/md/metric-out.json"), Metric.class);

assertThat(metric, serializesToJson("/md/metric-out.json"));

}

}