Untitled

package com.convatec.filemgmt.service;

import com.amazonaws.regions.Regions;
import com.amazonaws.services.neptunedata.model.S3Exception;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.model.ListObjectsRequest;
import com.amazonaws.services.s3.model.ListObjectsV2Result;
import com.amazonaws.services.s3.model.ObjectListing;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.S3ObjectSummary;
import com.convatec.filemgmt.FileMgmtApplication;
import com.convatec.filemgmt.exceptions.FileDownloadException;
import com.convatec.filemgmt.util.AppTestConstants;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.*;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.util.ReflectionTestUtils;
import org.springframework.web.multipart.MultipartFile;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@SpringBootTest
@ActiveProfiles("local")
@ExtendWith(MockitoExtension.class)
public class FileMgmtServiceTest {

    @Mock
    AwsS3ClientBuilderService awsS3ClientBuilderService;
    @Mock
    private AmazonS3 s3Client;
    @InjectMocks
    FileMgmtService fileMgmtService;

    @BeforeEach
    void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        ObjectMapper mapper = new ObjectMapper();
        JsonNode element =mapper.readTree(AppTestConstants.JSON_CONTENT);
        Map<String, JsonNode> mockMap = new HashMap<>();
        mockMap.put(element.get(AppTestConstants.BUCKET_KEY).asText(), element);
        ReflectionTestUtils.setField(FileMgmtApplication.class, AppTestConstants.VAULT_VARIABLES_MAP, mockMap);
       
    }

    @Test
    void testListFiles_Error() throws Exception {
        try {
            List<String> result = fileMgmtService.listFiles(AppTestConstants.BUCKET);
        } catch (Exception e) {
            Assertions.assertEquals(AppTestConstants.LIST_FILES_ERROR_STR, e.getMessage());
        }
    }

    @Test
    void testDownloadFile_Error() throws Exception {
        try {
            byte[] result = fileMgmtService.downloadFile(AppTestConstants.BUCKET, AppTestConstants.FILENAME);
        } catch (Exception e) {
            Assertions.assertEquals(AppTestConstants.DOWNLOAD_FILE_ERROR_STR, e.getMessage());
        }
    }

    @Test
    void testDeleteFile_Error() throws Exception {
        try {
            boolean result = fileMgmtService.delete(AppTestConstants.BUCKET, AppTestConstants.FILENAME);
        } catch (Exception e) {
            Assertions.assertEquals(AppTestConstants.DELETE_FILE_ERROR_STR, e.getMessage());
        }
    }

    @Test
    void testUploadFile_Error() throws Exception {
        final MultipartFile mockFile = Mockito.mock(MultipartFile.class);
        byte[] buffer = new byte[10];
        Mockito.when(mockFile.getOriginalFilename()).thenReturn(AppTestConstants.COOLNAME);
        Mockito.when(mockFile.getBytes()).thenReturn(buffer);

        try {
            String response = fileMgmtService.uploadFile(AppTestConstants.BUCKET, AppTestConstants.FILENAME, mockFile);
        } catch (Exception e) {
            Assertions.assertEquals(AppTestConstants.UPLOAD_FILE_ERROR_STR, e.getMessage());
        }
    }
   


}