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Add numwant provider class
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package org.araymond.joal.core.client.emulated.generator.numwant;
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import com.google.common.base.Preconditions;
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/**
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* Created by raymo on 19/07/2017.
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*/
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public class NumwantProvider {
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private final Integer numwant;
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private final Integer numwantOnStop;
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public NumwantProvider(final Integer numwant, final Integer numwantOnStop) {
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Preconditions.checkNotNull(numwant, "numwant must not be null.");
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Preconditions.checkArgument(numwant > 0, "numwant must be at least 1.");
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Preconditions.checkNotNull(numwantOnStop, "numwantOnStop must not be null.");
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Preconditions.checkArgument(numwantOnStop >= 0, "numwantOnStop must be at least 0.");
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this.numwant = numwant;
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this.numwantOnStop = numwantOnStop;
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}
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public Integer getNumwant() {
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return numwant;
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}
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public Integer getNumwantOnStop() {
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return numwantOnStop;
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}
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}
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package org.araymond.joal.core.client.emulated.generator.numwant;
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import org.junit.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThatThrownBy;
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/**
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* Created by raymo on 19/07/2017.
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*/
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public class NumwantProviderTest {
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@Test
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public void shouldNotBuildWithoutNumwant() {
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assertThatThrownBy(() -> new NumwantProvider(null, 0))
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.isInstanceOf(NullPointerException.class)
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.hasMessage("numwant must not be null.");
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}
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@Test
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public void shouldNotBuildWithNumwantLessThanOne() {
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assertThatThrownBy(() -> new NumwantProvider(0, 0))
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.isInstanceOf(IllegalArgumentException.class)
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.hasMessage("numwant must be at least 1.");
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}
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@Test
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public void shouldBuildWithNumwantEqualsOne() {
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final NumwantProvider numwantProvider = new NumwantProvider(1, 0);
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assertThat(numwantProvider.getNumwant()).isEqualTo(1);
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}
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@Test
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public void shouldNotBuildWithoutNumwantOnStop() {
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assertThatThrownBy(() -> new NumwantProvider(200, null))
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.isInstanceOf(NullPointerException.class)
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.hasMessage("numwantOnStop must not be null.");
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}
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@Test
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public void shouldNotBuildWithNumwantOnStopLessThanZero() {
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assertThatThrownBy(() -> new NumwantProvider(200, -1))
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.isInstanceOf(IllegalArgumentException.class)
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.hasMessage("numwantOnStop must be at least 0.");
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}
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@Test
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public void shouldBuildWithNumwantOnStopEqualsZero() {
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final NumwantProvider numwantProvider = new NumwantProvider(200, 0);
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assertThat(numwantProvider.getNumwantOnStop()).isEqualTo(0);
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}
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@Test
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public void shouldBuild() {
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final NumwantProvider numwantProvider = new NumwantProvider(200, 0);
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assertThat(numwantProvider.getNumwant()).isEqualTo(200);
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assertThat(numwantProvider.getNumwantOnStop()).isEqualTo(0);
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}
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}
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