ci: Add GitHub Action for running SCIP tests. (#2)

* ci: Add GitHub Action for running SCIP tests.
* test: path.append joins with a separator.

For very C++ reasons, there is also 'concat' which does not
add a separator.

Author: varungandhi-src

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+on:
+  push:
+    branches:
+      - scip-ruby/master
+  pull_request:
+    branches:
+      - scip-ruby/master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Bazel
+        run: sudo npm install --location=global @bazel/bazelisk
+      - name: Mount bazel cache
+        uses: actions/cache@v3
+        with:
+          path: "$HOME/.cache/bazel"
+          key: bazel
+      - name: Run tests
+        run: ./bazel test --test_output=errors //test/scip --config=dbg

test/scip_test_runner.cc

@@ -292,7 +292,7 @@ TEST_CASE("SCIPTest") {
     using Provider = pipeline::semantic_extension::SemanticExtensionProvider;
 
     auto indexFilePath = filesystem::temp_directory_path();
-    indexFilePath.concat(test.basename + ".scip"); // FIXME(varun): Update for folder tests with multiple files?
+    indexFilePath.append(test.basename + ".scip"); // FIXME(varun): Update for folder tests with multiple files?
 
     auto providers = Provider::getProviders();
     ENFORCE(providers.size() == 1);