T0.8: open-gateway 建仓——Spring Boot 2.7.18/JDK8 骨架 + EnvelopeWriter（裸码/信封两形态，信封与 SDK OpenApiEnvelope 字段对齐）+ CI/Dockerfile/.dockerignore

2026-09-21 00:17:49 +08:00
commit f10343a4c1
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+package com.yunhai.platform.gateway.envelope;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.mock.web.MockHttpServletResponse;
+
+import java.io.IOException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * EnvelopeWriter 两形态写出契约（T0.8 TDD）：
+ * 裸码无信封 JSON；信封 HTTP 200 + code/msg/data 与 SDK OpenApiEnvelope 解析形态逐字段对齐。
+ */
+class EnvelopeWriterTest {
+
+    @Test
+    void bare_status_written() throws IOException {
+        MockHttpServletResponse res = new MockHttpServletResponse();
+        EnvelopeWriter.writeBare(res, 401);
+        assertThat(res.getStatus()).isEqualTo(401);
+        assertThat(res.getContentAsString()).as("裸码无信封 JSON").isEmpty();
+
+        MockHttpServletResponse res404 = new MockHttpServletResponse();
+        EnvelopeWriter.writeBare(res404, 404);
+        assertThat(res404.getStatus()).isEqualTo(404);
+        assertThat(res404.getContentAsString()).isEmpty();
+
+        MockHttpServletResponse res502 = new MockHttpServletResponse();
+        EnvelopeWriter.writeBare(res502, 502);
+        assertThat(res502.getStatus()).isEqualTo(502);
+        assertThat(res502.getContentAsString()).isEmpty();
+    }
+
+    @Test
+    void envelope_written_with_code_and_message() throws IOException {
+        MockHttpServletResponse res = new MockHttpServletResponse();
+        EnvelopeWriter.writeEnvelope(res, 7, "rate limited");
+        assertThat(res.getStatus()).as("信封恒走 HTTP 200").isEqualTo(200);
+        assertThat(res.getContentType()).contains("application/json");
+        assertThat(res.getContentAsString())
+                .isEqualTo("{\"code\":7,\"msg\":\"rate limited\",\"data\":null}");
+    }
+
+    @Test
+    void rate_limit_constants_reserved() {
+        assertThat(EnvelopeWriter.RATE_LIMITED).isEqualTo(7);
+        assertThat(EnvelopeWriter.CIRCUIT_OPEN).isEqualTo(8);
+    }
+}