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sql的mock
注入sql的拦截器，对查询语句拦截，按规则访问本地路径的文件，实现mock功能。
@Intercepts(value = {@Signature(type = Executor.class, method = "update", args = {MappedStatement.class, Object.class}),@Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class,RowBounds.class, ResultHandler.class, CacheKey.class, BoundSql.class}),@Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class,RowBounds.class, ResultHandler.class})})
public class SqlResultInterceptor implements Interceptor {private static Logger logger = LoggerFactory.getLogger(SqlResultInterceptor.class);@Overridepublic Object intercept(Invocation invocation) throws Throwable {MappedStatement mappedStatement = getInvokeSqlStatement(invocation);String methodName = getStatementName(mappedStatement);Class<?> returnType = invocation.getMethod().getReturnType();Class<?> type = getResultType(mappedStatement);System.out.println("sql method name is : " + methodName + " , return type is : " + returnType + " , result type is : " + type);Function<String, Object> mockFunction = filePath -> getMockResult(filePath, type, returnType);Function remoteFunction = s -> {try {return invocation.proceed();} catch (Throwable e) {logger.error("methodName={} sql remote error", methodName, e);throw new RuntimeException(e);}};Object result = TestFileHelper.getResult(methodName, mockFunction, remoteFunction);return result;}private Object getMockResult(String filePath, Class<?> type, Class<?> returnType) {String result = TestFileHelper.readFile(filePath);if (type == null && returnType != null) {return JSONObject.parseObject(result, returnType);}Object object = JSONObject.parseArray(result, type);return object;}private Class<?> getResultType(MappedStatement mappedStatement) {if (CollectionUtils.isNotEmpty(mappedStatement.getResultMaps())) {Class<?> type = mappedStatement.getResultMaps().get(0).getType();return type;}return null;}private String getStatementName(MappedStatement mappedStatement) {String statementId = mappedStatement.getId();int indexOf = statementId.lastIndexOf(".");String name = statementId.substring(statementId.lastIndexOf(".", indexOf - 1) + 1);return name.replace(".", "_");}private MappedStatement getInvokeSqlStatement(Invocation invocation) throws Exception {Object target = invocation.getTarget();if (target instanceof Executor) {Object[] args = invocation.getArgs();MappedStatement ms = (MappedStatement) args[0];return ms;}DefaultResultSetHandler statementHandler = (DefaultResultSetHandler) target;try {Field feild = statementHandler.getClass().getDeclaredField("mappedStatement");feild.setAccessible(true);MappedStatement mappedStatement = (MappedStatement) feild.get(statementHandler);return mappedStatement;} catch (Exception e) {e.printStackTrace();throw e;}}@Overridepublic Object plugin(Object target) {return Plugin.wrap(target, this);}}这篇关于SpringBootTest测试框架二的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
