Add a sanity check to avoid reintroducing dependence on cpp by core

tools/run_tests/sanity/check_bad_dependencies.sh

@@ -23,5 +23,9 @@ test "$(bazel query 'somepath("//:grpc++_unsecure", "//external:libssl")' 2>/dev
 test "$(bazel query 'somepath("//:grpc++_codegen_proto", "//external:libssl")' 2>/dev/null | wc -l)" -eq 0 || exit 1
 test "$(bazel query 'somepath("//test/cpp/microbenchmarks:helpers", "//external:libssl")' 2>/dev/null | wc -l)" -eq 0 || exit 1
 
+# Make sure that core doesn't depend on anything in C++ library
+
+test "$(bazel query 'deps("//:grpc")' 2>/dev/null | egrep 'src/cpp|include/grpcpp' | wc -l)" -eq 0 || exit 1 
+
 exit 0
 

tools/run_tests/sanity/sanity_tests.yaml

@@ -1,4 +1,5 @@
 # a set of tests that are run in parallel for sanity tests
+- script: tools/run_tests/sanity/check_bad_dependencies.sh
 - script: tools/run_tests/sanity/check_bazel_workspace.py
 - script: tools/run_tests/sanity/check_cache_mk.sh
 - script: tools/run_tests/sanity/check_owners.sh
@@ -6,7 +7,6 @@
 - script: tools/run_tests/sanity/check_submodules.sh
 - script: tools/run_tests/sanity/check_test_filtering.py
 - script: tools/run_tests/sanity/check_tracer_sanity.py
-- script: tools/run_tests/sanity/check_unsecure.sh
 - script: tools/run_tests/sanity/core_banned_functions.py
 - script: tools/run_tests/sanity/core_untyped_structs.sh
 - script: tools/run_tests/sanity/check_deprecated_grpc++.py