yeg
2026-09-14 5364ba7487eb7abe0d4adc67f3393f511ed123a7
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package com.talentcard.server.upload;
 
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.stream.Stream;
 
import com.talentcard.server.common.BusinessException;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import org.springframework.mock.web.MockMultipartFile;
 
class ImageUploadServiceTests {
 
    @TempDir
    Path temporaryDirectory;
 
    @Test
    void savesPngWithGeneratedFilename() throws Exception {
        ImageUploadService service = new ImageUploadService(temporaryDirectory);
        MockMultipartFile image = new MockMultipartFile(
                "file", "cover.png", "image/png", new byte[] {(byte) 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a});
 
        ImageUploadResult result = service.upload(image);
 
        assertThat(result.url()).matches("/uploads/[0-9a-f-]+\\.png");
        try (Stream<Path> files = Files.list(temporaryDirectory)) {
            assertThat(files).hasSize(1);
        }
    }
 
    @Test
    void rejectsNonImageUploads() {
        ImageUploadService service = new ImageUploadService(temporaryDirectory);
        MockMultipartFile text = new MockMultipartFile("file", "cover.txt", "text/plain", "not an image".getBytes());
 
        assertThatThrownBy(() -> service.upload(text))
                .isInstanceOf(BusinessException.class)
                .hasMessageContaining("Only JPG, PNG, and WEBP");
    }
 
    @Test
    void savesPdfWithGeneratedFilename() throws Exception {
        ImageUploadService service = new ImageUploadService(temporaryDirectory);
        MockMultipartFile pdf = new MockMultipartFile("file", "window.pdf", "application/pdf", "%PDF-1.7".getBytes());
 
        ImageUploadResult result = service.uploadPdf(pdf);
 
        assertThat(result.url()).matches("/uploads/[0-9a-f-]+\\.pdf");
        try (Stream<Path> files = Files.list(temporaryDirectory)) {
            assertThat(files).hasSize(1);
        }
    }
 
    @Test
    void rejectsNonPdfUploads() {
        ImageUploadService service = new ImageUploadService(temporaryDirectory);
        MockMultipartFile image = new MockMultipartFile("file", "window.pdf", "application/pdf", "not a pdf".getBytes());
 
        assertThatThrownBy(() -> service.uploadPdf(image))
                .isInstanceOf(BusinessException.class)
                .hasMessageContaining("仅支持 PDF");
    }
}