[Lldb-commits] [lldb] [lldb] Support non-blocking reads in JSONRPCTransport (PR #144610)

[John Harrison via lldb-commits]

================
@@ -142,13 +147,43 @@ TEST_F(JSONRPCTransportTest, Write) {
 }
 
 TEST_F(JSONRPCTransportTest, InvalidTransport) {
-  transport = std::make_unique<JSONRPCTransport>(nullptr, nullptr);
+  transport = std::make_unique<TestJSONRPCTransport>(nullptr, nullptr);
   ASSERT_THAT_EXPECTED(
       transport->Read<JSONTestType>(std::chrono::milliseconds(1)),
       Failed<TransportInvalidError>());
 }
 
 #ifndef _WIN32
+TEST_F(HTTPDelimitedJSONTransportTest, NonBlockingRead) {
+  ASSERT_THAT_EXPECTED(
+      transport->Read<JSONTestType>(std::chrono::microseconds::zero()),
+      llvm::FailedWithMessage(
+          "HTTPDelimitedJSONTransport does not support non-blocking reads"));
+}
+
+TEST_F(JSONRPCTransportTest, NonBlockingRead) {
+  llvm::StringRef head = R"({"str")";
+  llvm::StringRef tail = R"(: "foo"})"
+                         "\n";
+
+  ASSERT_THAT_EXPECTED(input.Write(head.data(), head.size()), Succeeded());
+  ASSERT_THAT_EXPECTED(
+      transport->Read<JSONTestType>(std::chrono::microseconds::zero()),
+      Failed<TransportTimeoutError>());
+
+  ASSERT_THAT_EXPECTED(input.Write(tail.data(), tail.size()), Succeeded());
----------------
ashgti wrote:

Can we also test a chunk with the delimiter in the middle of the data?

https://github.com/llvm/llvm-project/pull/144610
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