/*
 * Copyright OpenSearch Contributors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.opensearch.dataprepper.model.plugin;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;

import java.util.UUID;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.mock;

class InvalidPluginDefinitionExceptionTest {
    private String message;
    private Throwable cause;

    @BeforeEach
    void setUp() {
        message = UUID.randomUUID().toString();
        cause = mock(Throwable.class);
    }

    @Nested
    class MessageCauseConstructor {
        private InvalidPluginDefinitionException createObjectUnderTest() {
            return new InvalidPluginDefinitionException(message, cause);
        }

        @Test
        void getMessage_returns_message() {
            assertThat(createObjectUnderTest().getMessage(),
                    equalTo(message));
        }

        @Test
        void getCause_returns_cause() {
            assertThat(createObjectUnderTest().getCause(),
                    equalTo(cause));
        }
    }

    @Nested
    class MessageOnlyConstructor {
        private InvalidPluginDefinitionException createObjectUnderTest() {
            return new InvalidPluginDefinitionException(message);
        }

        @Test
        void getMessage_returns_message() {
            assertThat(createObjectUnderTest().getMessage(),
                    equalTo(message));
        }

        @Test
        void getCause_returns_null() {
            assertThat(createObjectUnderTest().getCause(),
                    nullValue());
        }
    }
}