Try getting more coverage from truffle-test

.github/workflows/ci.yml

@@ -157,20 +157,17 @@ jobs:
             mkdir truffle_tests
             cd truffle_tests
             truffle unbox metacoin
-            manticore . --contract MetaCoin --workspace output
-            ### The original comment says we should get 41 states, but after implementing the shift
-            ### insructions, we get 31. Was the original comment a typo?
-
-            # The correct answer should be 41
-            # but Manticore fails to explore the paths due to the lack of the 0x1f opcode support
-            # see https://github.com/trailofbits/manticore/issues/1166
-            # if [ "$(ls output/*tx -l | wc -l)" != "41" ]; then
+            coverage run -m manticore . --contract MetaCoin --workspace output
+            # Truffle smoke test. We test if manticore is able to generate states
+            # from a truffle project. 
             if [ "$(ls output/*tx -l | wc -l)" != "34" ]; then
                 echo "Truffle test failed" `ls output/*tx -l | wc -l` "!= 34"
                 return 1
             fi
             echo "Truffle test succeded"
+            coverage xml
             cd ..
+            cp truffle_tests/coverage.xml .
             return 0
         }
 

codecov.yml

@@ -2,7 +2,7 @@ comment: false
 
 codecov:
   notify:
-    # We have 8 test steps that produce coverage data.
+    # We have 9 test steps that produce coverage data.
     # If we add or remove any, we need to change this number.
-    after_n_builds: 8
+    after_n_builds: 9
     wait_for_ci: yes