AiSoftwareTest.java

package object.example.bobbymoney;

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

class AiSoftwareTest {

    @Test
    public void constructorShouldSetAllFields() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        assertEquals("Bucky",    aiSoftware.getAiName());
        assertEquals("Guitar",   aiSoftware.getCoachType());
        assertEquals("Pomodoro", aiSoftware.getTeachingStyle());
        assertEquals(1.0,        aiSoftware.getMinimumTimeSpent());
        assertEquals("2 weeks",  aiSoftware.getTimeFrame());
    }

    @Test
    public void constructorShouldThrowWhenMinimumTimeSpentIsBelowHalfHour() {
        assertThrows(IllegalArgumentException.class, () ->
                new AiSoftware("Bucky", "Guitar", "Pomodoro", 0.25, "2 weeks")
        );
    }

    @Test
    public void setAiNameShouldUpdateAiName() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        aiSoftware.setAiName("Nova");
        assertEquals("Nova", aiSoftware.getAiName());
    }

    @Test
    public void setCoachTypeShouldUpdateCoachType() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        aiSoftware.setCoachType("Piano");
        assertEquals("Piano", aiSoftware.getCoachType());
    }

    @Test
    public void setTeachingStyleShouldUpdateTeachingStyle() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        aiSoftware.setTeachingStyle("Spaced Repetition");
        assertEquals("Spaced Repetition", aiSoftware.getTeachingStyle());
    }

    @Test
    public void setMinimumTimeSpentShouldUpdateValue() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        aiSoftware.setMinimumTimeSpent(2.0);
        assertEquals(2.0, aiSoftware.getMinimumTimeSpent());
    }

    @Test
    public void setMinimumTimeSpentShouldThrowWhenBelowHalfHour() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        assertThrows(IllegalArgumentException.class, () ->
                aiSoftware.setMinimumTimeSpent(0.1)
        );
    }

    @Test
    public void setTimeFrameShouldUpdateTimeFrame() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        aiSoftware.setTimeFrame("1 month");
        assertEquals("1 month", aiSoftware.getTimeFrame());
    }

    @Test
    public void getSummaryShouldReturnFormattedString() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        String result = aiSoftware.getSummary();
        assertEquals("Bucky is a Guitar coach using the Pomodoro method for 2 weeks.", result);
    }

    @Test
    public void calculateTotalHoursShouldReturnCorrectTotal() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        double total = aiSoftware.calculateTotalHours(5);
        assertEquals(5.0, total);
    }

    @Test
    public void calculateTotalHoursShouldThrowWhenSessionsIsZero() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        assertThrows(IllegalArgumentException.class, () ->
                aiSoftware.calculateTotalHours(0)
        );
    }

    @Test
    public void calculateTotalHoursShouldThrowWhenSessionsIsNegative() {
        AiSoftware aiSoftware = new AiSoftware("Bucky", "Guitar", "Pomodoro", 1.0, "2 weeks");
        assertThrows(IllegalArgumentException.class, () ->
                aiSoftware.calculateTotalHours(-3)
        );
    }
}