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

src/test/java/GeoPositionTests.java
210 строк8 KB
Aleksandr Martynets
home5
29 дек 2025, 19:20
29 дек 2025, 19:2095554f5

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

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

/**
 * Test class for GeoPosition
 */
class GeoPositionTests {

    private static final double DELTA = 0.000001;

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

        // Assert
        assertEquals(Math.toRadians(55), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(37), position.getLongitude(), DELTA);
        assertEquals(55, position.getLatitudeInDegrees(), DELTA);
        assertEquals(37, position.getLongitudeInDegrees(), DELTA);
    }

    @Test
    void testConstructorWithDegreesMinutesSeconds() {
        // Arrange & Act
        GeoPosition position = new GeoPosition("55(45'07'')", "37(37'03'')");

        // Assert - 55°45'07" = 55 + 45/60 + 7/3600 = 55.751944°
        double expectedLatDegrees = 55 + 45.0/60 + 7.0/3600;
        double expectedLonDegrees = 37 + 37.0/60 + 3.0/3600;

        assertEquals(Math.toRadians(expectedLatDegrees), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(expectedLonDegrees), position.getLongitude(), DELTA);
        assertEquals(expectedLatDegrees, position.getLatitudeInDegrees(), DELTA);
        assertEquals(expectedLonDegrees, position.getLongitudeInDegrees(), DELTA);
    }

    @Test
    void testConstructorWithOnlyMinutes() {
        // Arrange & Act
        GeoPosition position = new GeoPosition("0(45'00'')", "0(30'00'')");

        // Assert
        assertEquals(Math.toRadians(0.75), position.getLatitude(), DELTA);  // 45/60 = 0.75°
        assertEquals(Math.toRadians(0.5), position.getLongitude(), DELTA);  // 30/60 = 0.5°
    }

    @Test
    void testConstructorWithOnlySeconds() {
        // Arrange & Act
        GeoPosition position = new GeoPosition("0(00'30'')", "0(00'45'')");

        // Assert
        assertEquals(Math.toRadians(30.0/3600), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(45.0/3600), position.getLongitude(), DELTA);
    }

    @Test
    void testConstructorWithMixedFormats() {
        // Arrange & Act - одна координата простая, другая с минутами/секундами
        GeoPosition position = new GeoPosition("59", "30(19'00'')");

        // Assert
        assertEquals(Math.toRadians(59), position.getLatitude(), DELTA);
        double expectedLonDegrees = 30 + 19.0/60; // 30°19'00" = 30.316667°
        assertEquals(Math.toRadians(expectedLonDegrees), position.getLongitude(), DELTA);
    }

    @Test
    void testConstructorWithExampleFromDocumentation() {
        // Arrange & Act - пример из документации
        GeoPosition position = new GeoPosition("59(57'00'')", "30(19'00'')");

        // Assert - 59°57'00" = 59.95°, 30°19'00" = 30.316667°
        double expectedLatDegrees = 59 + 57.0/60; // 59.95°
        double expectedLonDegrees = 30 + 19.0/60; // 30.316667°

        assertEquals(Math.toRadians(expectedLatDegrees), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(expectedLonDegrees), position.getLongitude(), DELTA);
    }

    @Test
    void testConstructorWithSpaces() {
        // Arrange & Act - координаты с пробелами
        GeoPosition position = new GeoPosition("  55(45'07'')  ", "  37(37'03'')  ");

        // Assert
        double expectedLatDegrees = 55 + 45.0/60 + 7.0/3600;
        double expectedLonDegrees = 37 + 37.0/60 + 3.0/3600;

        assertEquals(Math.toRadians(expectedLatDegrees), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(expectedLonDegrees), position.getLongitude(), DELTA);
    }

    @Test
    void testGetLatitude() {
        // Arrange
        GeoPosition position = new GeoPosition("45", "90");

        // Act & Assert
        assertEquals(Math.toRadians(45), position.getLatitude(), DELTA);
        assertTrue(position.getLatitude() > 0);
        assertTrue(position.getLatitude() < Math.PI/2); // Широта в радианах должна быть меньше π/2
    }

    @Test
    void testGetLongitude() {
        // Arrange
        GeoPosition position = new GeoPosition("45", "90");

        // Act & Assert
        assertEquals(Math.toRadians(90), position.getLongitude(), DELTA);
        assertTrue(position.getLongitude() > 0);
        assertTrue(position.getLongitude() < Math.PI); // Долгота в радианах должна быть меньше π
    }

    @Test
    void testGetLatitudeInDegrees() {
        // Arrange
        GeoPosition position = new GeoPosition("45.5", "180");

        // Act & Assert
        assertEquals(45.5, position.getLatitudeInDegrees(), DELTA);
        assertTrue(position.getLatitudeInDegrees() >= -90);
        assertTrue(position.getLatitudeInDegrees() <= 90);
    }

    @Test
    void testGetLongitudeInDegrees() {
        // Arrange
        GeoPosition position = new GeoPosition("45", "180");

        // Act & Assert
        assertEquals(180, position.getLongitudeInDegrees(), DELTA);
        assertTrue(position.getLongitudeInDegrees() >= -180);
        assertTrue(position.getLongitudeInDegrees() <= 180);
    }

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

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

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("GeoPosition"));
        assertTrue(result.contains("latitude"));
        assertTrue(result.contains("longitude"));
        assertTrue(result.contains("rad"));
        assertTrue(result.contains("°"));

        // Проверяем, что строковое представление содержит ожидаемые значения
        assertTrue(result.contains("55.000000°"));
        assertTrue(result.contains("37.000000°"));
    }

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

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

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("GeoPosition"));
        assertTrue(result.contains("55.751944°")); // Проверяем преобразованное значение
        assertTrue(result.contains("37.617500°"));
    }

    @Test
    void testNegativeCoordinates() {
        // Arrange & Act - отрицательные координаты
        GeoPosition position = new GeoPosition("-55", "-37");

        // Assert
        assertEquals(Math.toRadians(-55), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(-37), position.getLongitude(), DELTA);
    }

    @Test
    void testDecimalDegrees() {
        // Arrange & Act - десятичные градусы
        GeoPosition position = new GeoPosition("55.75", "37.61");

        // Assert
        assertEquals(Math.toRadians(55.75), position.getLatitude(), DELTA);
        assertEquals(Math.toRadians(37.61), position.getLongitude(), DELTA);
    }

    @Test
    void testBoundaryValues() {
        // Arrange & Act - граничные значения
        GeoPosition northPole = new GeoPosition("90", "0");
        GeoPosition southPole = new GeoPosition("-90", "0");
        GeoPosition greenwich = new GeoPosition("0", "0");

        // Assert
        assertEquals(Math.toRadians(90), northPole.getLatitude(), DELTA);
        assertEquals(Math.toRadians(-90), southPole.getLatitude(), DELTA);
        assertEquals(0, greenwich.getLatitude(), DELTA);
        assertEquals(0, greenwich.getLongitude(), DELTA);
    }
}