package cn.iocoder.yudao.module.qcreport.engine;
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import cn.iocoder.yudao.module.qcreport.dal.dataobject.version.ReportTemplateSchema;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.ValueSource;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.List;
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import java.util.Map;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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/**
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* {@link QualityReportEngine#hasCanvas} 的判据测试。
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* <p>
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* 这条判据同时守着两处：出报告弹窗要不要把这个模板摆出来（{@code getSelectableTemplates}），
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* 以及出件前要不要直接拒绝（{@code resolveVersion}）。它必须与渲染器读画布的那一行
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* （{@code pages[0].frames[0].component}）严格一致——放宽一点，用户就会拿到一张不报错的白纸 PDF。
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*/
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class QualityReportEngineTest {
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private static final ObjectMapper MAPPER = new ObjectMapper();
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private static final String CANVAS_DIR = "qcreport/canvas/";
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@Test
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@DisplayName("只有元数据的画布不算有内容：它是非空 Map，但渲染器取不到根组件，渲染出来是白纸")
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void metadataOnlyGrapesIsNotCanvas() {
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// GrapesJS 把「打开过设计器但一个组件都没放」的项目存成这个样子
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assertFalse(QualityReportEngine.hasCanvas(schema(Map.of("assets", List.of(), "styles", List.of()))));
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// 只多了 pages 但没有 frames 也不行
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assertFalse(QualityReportEngine.hasCanvas(schema(Map.of("pages", List.of()))));
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// 有 frame 但没有 component 同样不行
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assertFalse(QualityReportEngine.hasCanvas(schema(Map.of("pages",
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List.of(Map.of("frames", List.of(Map.of("id", "f1"))))))));
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}
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@Test
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@DisplayName("frame 上有根组件才算有内容")
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void frameComponentIsCanvas() {
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assertTrue(QualityReportEngine.hasCanvas(schema(Map.of("pages",
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List.of(Map.of("frames", List.of(Map.of("component",
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Map.of("type", "wrapper", "components", List.of())))))))));
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}
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@Test
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@DisplayName("Schema 或 grapes 为 null 不算有内容，且不抛错")
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void nullSchemaOrGrapesIsNotCanvas() {
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assertFalse(QualityReportEngine.hasCanvas(null));
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assertFalse(QualityReportEngine.hasCanvas(new ReportTemplateSchema()));
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assertFalse(QualityReportEngine.hasCanvas(schema(null)));
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}
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@ParameterizedTest(name = "存量画布 {0} 有内容")
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@ValueSource(strings = {"canvas-t5-v1.0.json", "canvas-t3-v1.0.json", "canvas-t5-v1.1.json", "canvas-t5-v1.2.json"})
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@DisplayName("运行库里真正画了东西的版本，判据为真")
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void realStoredCanvasIsCanvas(String fileName) throws IOException {
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assertTrue(QualityReportEngine.hasCanvas(schema(realGrapes(fileName))), fileName);
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}
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@ParameterizedTest(name = "存量空画布 {0} 无内容")
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@ValueSource(strings = {"canvas-t1-v1.0.json", "canvas-t1-v1.1.json"})
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@DisplayName("运行库里「打开过但没放组件」的版本，判据为假（它就是白纸 PDF 的来源）")
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void realStoredEmptyCanvasIsNotCanvas(String fileName) throws IOException {
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assertFalse(QualityReportEngine.hasCanvas(schema(realGrapes(fileName))), fileName);
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}
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private static ReportTemplateSchema schema(Map<String, Object> grapes) {
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ReportTemplateSchema schema = new ReportTemplateSchema();
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schema.setGrapes(grapes);
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return schema;
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}
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@SuppressWarnings("unchecked")
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private static Map<String, Object> realGrapes(String fileName) throws IOException {
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String path = CANVAS_DIR + fileName;
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try (InputStream in = QualityReportEngineTest.class.getClassLoader().getResourceAsStream(path)) {
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if (in == null) {
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throw new IOException("找不到画布夹具：" + path);
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}
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Map<String, Object> full = MAPPER.readValue(new String(in.readAllBytes(), StandardCharsets.UTF_8),
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new TypeReference<Map<String, Object>>() {
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});
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Object grapes = full.get("grapes");
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return grapes instanceof Map<?, ?> ? (Map<String, Object>) grapes : null;
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}
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}
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}
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