[llvm-branch-commits] [clang] [clang][ssaf] Add FormatInfo sub-registry and tests [2/2] (PR #179517)

[Aviral Goel via llvm-branch-commits]

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@@ -26,4 +57,37 @@ TEST(SerializationFormatRegistryTest, EnumeratingRegistryEntries) {
   EXPECT_EQ(Formats.begin()->getName(), "MockSerializationFormat");
 }
 
+TEST(SerializationFormatRegistryTest, Roundtrip) {
+  StringLiteral FancyAnalysisFileData = "FancyAnalysisData{\n"
+                                        "  SomeInternalList: zed, vayne, lux\n"
+                                        "}\n";
+
+  auto Inputs = makeIntrusiveRefCnt<vfs::InMemoryFileSystem>();
+  Inputs->addFile("input/analyses.txt", /*ModificationTime=*/{},
+                  MemoryBuffer::getMemBufferCopy("FancyAnalysis\n"));
+  Inputs->addFile("input/FancyAnalysis.special", /*ModificationTime=*/{},
+                  MemoryBuffer::getMemBufferCopy(FancyAnalysisFileData));
+
+  std::unique_ptr<SerializationFormat> Format =
+      makeFormat(Inputs, "MockSerializationFormat");
+  ASSERT_TRUE(Format);
+
+  TUSummary LoadedSummary = Format->readTUSummary("input");
+
+  // Create a temporary output directory
+  SmallString<128> OutputDir;
+  std::error_code EC = sys::fs::createUniqueDirectory("ssaf-test", OutputDir);
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aviralg wrote:

It will be simpler to use the filesystem for input files as well. Using the InMemoryFileSystem in the test case makes it more mysterious and involved than it should be. We can probably present this as an example in the documentation.

https://github.com/llvm/llvm-project/pull/179517