IntegerTypeValidatorTest.java

package org.mongodb.morphia.query.validation;

import org.junit.Test;

import java.util.ArrayList;
import java.util.List;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public class IntegerTypeValidatorTest {
    @Test
    public void shouldAllowIntValueWhenTypeIsInt() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(int.class, 1, validationFailures);
        // then
        assertThat(validationApplied, is(true));
        assertThat(validationFailures.size(), is(0));
    }

    @Test
    public void shouldAllowIntValueWhenTypeIsInteger() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(Integer.class, 1, validationFailures);
        // then
        assertThat(validationApplied, is(true));
        assertThat(validationFailures.size(), is(0));
    }

    @Test
    public void shouldAllowIntegerValueWhenTypeIsInt() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(int.class, new Integer(1), validationFailures);
        // then
        assertThat(validationApplied, is(true));
        assertThat(validationFailures.size(), is(0));
    }

    @Test
    public void shouldAllowIntegerValueWhenTypeIsInteger() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(Integer.class, new Integer(1), validationFailures);
        // then
        assertThat(validationApplied, is(true));
        assertThat(validationFailures.size(), is(0));
    }

    @Test
    public void shouldNotApplyValidationIfTypeIsNotIntegerOrLong() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(String.class, new Integer(1), validationFailures);
        // then
        assertThat(validationApplied, is(false));
        assertThat(validationFailures.size(), is(0));
    }

    @Test
    public void shouldRejectLongValueIfTypeIsInteger() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(Integer.class, 1L, validationFailures);
        // then
        assertThat(validationApplied, is(true));
        assertThat(validationFailures.size(), is(1));
    }

    @Test
    public void shouldRejectNonIntegerValueIfTypeIsInteger() {
        // given
        List<ValidationFailure> validationFailures = new ArrayList<ValidationFailure>();
        // when
        boolean validationApplied = IntegerTypeValidator.getInstance().apply(Integer.class, "some non int value", validationFailures);
        // then
        assertThat(validationApplied, is(true));
        assertThat(validationFailures.size(), is(1));
    }

}