feat: 项目整体命名修改cache-schema-checker

src/test/java/com/codechecker/cache/diff/SchemaDifferTest.java

@@ -0,0 +1,64 @@
+package com.codechecker.cache.diff;
+
+import com.codechecker.cache.schema.FieldSchema;
+import com.codechecker.cache.schema.JsonType;
+import com.codechecker.cache.schema.TypeSchema;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class SchemaDifferTest {
+
+    @Test
+    void detectsWrapperMoveAndAddition() {
+        TypeSchema oldS = new TypeSchema("TenantVO");
+        oldS.add(new FieldSchema("dbName", JsonType.STRING, "String"));
+        oldS.add(new FieldSchema("linkList", JsonType.ARRAY, "List"));
+        oldS.add(new FieldSchema("linkList[]", JsonType.OBJECT, "TenantLinkModel"));
+        oldS.add(new FieldSchema("linkList[].id", JsonType.STRING, "String"));
+
+        TypeSchema newS = new TypeSchema("CacheEnvelope");
+        newS.add(new FieldSchema("vo", JsonType.OBJECT, "TenantVO"));
+        newS.add(new FieldSchema("vo.dbName", JsonType.STRING, "String"));
+        newS.add(new FieldSchema("vo.linkList", JsonType.ARRAY, "List"));
+        newS.add(new FieldSchema("vo.linkList[]", JsonType.OBJECT, "TenantLinkModel"));
+        newS.add(new FieldSchema("vo.linkList[].id", JsonType.STRING, "String"));
+        newS.add(new FieldSchema("expiresAtMs", JsonType.NUMBER, "Long"));
+
+        List<SchemaChange> changes = new SchemaDiffer().diff(oldS, newS);
+        List<ChangeType> types = changes.stream().map(SchemaChange::getChangeType).collect(Collectors.toList());
+
+        assertTrue(types.contains(ChangeType.WRAPPER_ADDED), "应检测到包装层新增");
+        assertTrue(types.contains(ChangeType.FIELD_PATH_MOVED), "应检测到字段路径迁移");
+        assertTrue(types.contains(ChangeType.FIELD_ADDED), "应检测到新增字段 expiresAtMs");
+
+        long moved = changes.stream().filter(c -> c.getChangeType() == ChangeType.FIELD_PATH_MOVED).count();
+        assertEquals(2, moved, "dbName 与 linkList[].id 均应迁移");
+    }
+
+    @Test
+    void detectsTypeChange() {
+        TypeSchema oldS = new TypeSchema("A");
+        oldS.add(new FieldSchema("count", JsonType.STRING, "String"));
+        TypeSchema newS = new TypeSchema("A");
+        newS.add(new FieldSchema("count", JsonType.NUMBER, "Integer"));
+
+        List<SchemaChange> changes = new SchemaDiffer().diff(oldS, newS);
+        assertEquals(1, changes.size());
+        assertEquals(ChangeType.TYPE_CHANGED, changes.get(0).getChangeType());
+        assertEquals(Severity.P0, changes.get(0).getSeverity());
+    }
+
+    @Test
+    void noChangeWhenIdentical() {
+        TypeSchema a = new TypeSchema("A");
+        a.add(new FieldSchema("x", JsonType.STRING, "String"));
+        TypeSchema b = new TypeSchema("A");
+        b.add(new FieldSchema("x", JsonType.STRING, "String"));
+        assertTrue(new SchemaDiffer().diff(a, b).isEmpty());
+    }
+}