src/test/java/CityInfoTest.java - master - khomec/homework5

src/test/java/CityInfoTest.java
117 строк4 KB
Aleksandr Martynets
home5
29 дек 2025, 19:20
29 дек 2025, 19:2095554f5

import org.junit.jupiter.api.Test;
import ru.edu.lesson6.CityInfo;
import ru.edu.lesson6.GeoPosition;

import static org.junit.jupiter.api.Assertions.*;

/**
 * Test class for CityInfo
 */
public class CityInfoTest {

    private static final double DELTA = 0.000001;

    @Test
    void testConstructorAndGetters() {
        // Arrange
        GeoPosition position = new GeoPosition("55", "37");

        // Act
        CityInfo city = new CityInfo("TestCity", position);

        // Assert
        assertEquals("TestCity", city.getName());
        assertEquals(position, city.getPosition());
        assertEquals(position.getLatitude(), city.getLatitude(), DELTA);
        assertEquals(position.getLongitude(), city.getLongitude(), DELTA);
        assertEquals(position.getLatitudeInDegrees(), city.getLatitudeInDegrees(), DELTA);
        assertEquals(position.getLongitudeInDegrees(), city.getLongitudeInDegrees(), DELTA);
    }

    @Test
    void testToString() {
        // Arrange
        GeoPosition position = new GeoPosition("55(45'07'')", "37(37'03'')");
        CityInfo city = new CityInfo("Moscow", position);

        // Act
        String result = city.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("CityInfo"));
        assertTrue(result.contains("name='Moscow'"));
        assertTrue(result.contains("latitude=55.751944°"));
        assertTrue(result.contains("longitude=37.617500°"));
    }

    @Test
    void testToStringWithSimpleCoordinates() {
        // Arrange
        GeoPosition position = new GeoPosition("60", "30");
        CityInfo city = new CityInfo("SimpleCity", position);

        // Act
        String result = city.toString();

        // Assert
        assertTrue(result.contains("name='SimpleCity'"));
        assertTrue(result.contains("latitude=60.000000°"));
        assertTrue(result.contains("longitude=30.000000°"));
    }

    @Test
    void testCityWithEmptyName() {
        // Arrange
        GeoPosition position = new GeoPosition("0", "0");

        // Act
        CityInfo city = new CityInfo("", position);

        // Assert
        assertEquals("", city.getName());
        assertEquals(position, city.getPosition());
    }

    @Test
    void testCityWithSpecialCharactersInName() {
        // Arrange
        GeoPosition position = new GeoPosition("48", "2");

        // Act
        CityInfo city = new CityInfo("Paris, France", position);

        // Assert
        assertEquals("Paris, France", city.getName());
        assertTrue(city.toString().contains("Paris, France"));
    }

    @Test
    void testMultipleCityInstances() {
        // Arrange & Act
        GeoPosition moscowPos = new GeoPosition("55(45'07'')", "37(37'03'')");
        CityInfo moscow = new CityInfo("Moscow", moscowPos);

        GeoPosition londonPos = new GeoPosition("51(30'26'')", "0(07'39'')");
        CityInfo london = new CityInfo("London", londonPos);

        // Assert
        assertEquals("Moscow", moscow.getName());
        assertEquals("London", london.getName());
        assertNotEquals(moscow.getPosition(), london.getPosition());
        assertNotEquals(moscow.toString(), london.toString());
    }

    @Test
    void testPositionReferenceEquality() {
        // Arrange
        GeoPosition position = new GeoPosition("40", "74");
        CityInfo city1 = new CityInfo("New York", position);
        CityInfo city2 = new CityInfo("NYC", position);

        // Act & Assert
        assertSame(city1.getPosition(), city2.getPosition()); // Один и тот же объект позиции
        assertEquals(city1.getLatitude(), city2.getLatitude(), DELTA);
        assertEquals(city1.getLongitude(), city2.getLongitude(), DELTA);
    }
}