src/test/java/com/organization/config/ServerConfigLoaderTest.java - master - itokar98/java-diplom-networkchat

src/test/java/com/organization/config/ServerConfigLoaderTest.java
98 строк3 KB
Ilya Tokar
First commit
21 дек 2025, 15:29
21 дек 2025, 15:293f8814c
// test/java/com/organization/config/ConfigLoaderTest.java
package com.organization.config;

import com.organization.exception.ConfigException;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

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

@ExtendWith(MockitoExtension.class)
class ServerConfigLoaderTest {

    @Mock
    private ClassLoader classLoader;

    @InjectMocks
    private ServerConfigLoader configLoader;

    @Test
    void loadConfig_ValidYaml_ReturnsConfig() {
        // Arrange
        String yamlContent = "port: 8080\n";
        InputStream mockStream = new ByteArrayInputStream(yamlContent.getBytes());

        ServerConfigLoader loader = new ServerConfigLoader() {
            @Override
            InputStream getResourceAsStream(String name) {
                return mockStream;
            }
        };

        // Act
        ServerConfig config = loader.loadConfig("server-settings.yaml");

        // Assert
        assertEquals(8080, config.getPort());
    }

    @Test
    void loadConfig_MissingPort_ThrowsException() {
        // Arrange
        String yamlContent = "host: localhost\n";
        InputStream mockStream = new ByteArrayInputStream(yamlContent.getBytes());

        ServerConfigLoader loader = new ServerConfigLoader() {
            @Override
            InputStream getResourceAsStream(String name) {
                return mockStream;
            }
        };

        // Act & Assert
        assertThrows(ConfigException.class, () -> {
            loader.loadConfig("server-settings.yaml");
        });
    }

    @Test
    void loadConfig_InvalidPort_ThrowsException() {
        // Arrange
        String yamlContent = "port: not_a_number\n";
        InputStream mockStream = new ByteArrayInputStream(yamlContent.getBytes());

        ServerConfigLoader loader = new ServerConfigLoader() {
            @Override
            InputStream getResourceAsStream(String name) {
                return mockStream;
            }
        };

        // Act & Assert
        assertThrows(ConfigException.class, () -> {
            loader.loadConfig("server-settings.yaml");
        });
    }

    @Test
    void loadConfig_FileNotFound_ThrowsException() {
        // Arrange
        ServerConfigLoader loader = new ServerConfigLoader() {
            @Override
            InputStream getResourceAsStream(String name) {
                return null;
            }
        };

        // Act & Assert
        assertThrows(ConfigException.class, () -> {
            loader.loadConfig("nonexistent.yaml");
        });
    }
}