safety: test coverage (#1699)

* run in CI

* test

* make report optional

* 100% GM coverage

comments

* more coverage: these are unhittable lines

* vw mqb: convert switch to if, consistent with all other safety modes

* we don't check any of these yet

* rm

* ensure honda_fwd_brake is reset

* can rm this

* test honda brake latching

* honda: add rx brake function

* use loops for more coverage and more compact code

* other honda stuff

* remove car-specific stuff from init_tests

* don't need to have car safety modes reset interceptor detected (global init does)

* use get_bit

* ahh ford counter is unhittable: counter check disabled due to skipping

* misra

* test nooutput and alloutput

* required changes for that

* fix test

* more all/nooutput coverage

* start on lin

* rx coverage

* lin tx coverage

* some barebones body test

* double negative

* draft elm327 safety (git stash)

* fixes from merge

* clean up test cov

* add rm

* no body

* failed grep returns exit code 1

* more clear msgs

.github/workflows/test.yaml

@@ -90,6 +90,23 @@ jobs:
                           scons -j$(nproc) ${{ matrix.flags }} && \
                           tests/safety/test.sh"
 
+  safety_coverage:
+    name: safety coverage
+    runs-on: ubuntu-20.04
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build Docker image
+        run: eval "$BUILD"
+      - name: Run safety coverage test
+        timeout-minutes: 5
+        run: |
+          ${{ env.RUN }} "cd .. && \
+                          scons -c && \
+                          scons -j$(nproc) opendbc/ cereal/ && \
+                          cd panda/tests/safety && \
+                          ./test_coverage.sh"
+
   misra:
     name: misra c2012
     runs-on: ubuntu-20.04