Properly collect coverage on azure

Signed-off-by: Aleksei Stepanov <penguinolog@gmail.com>

.azure_pipelines/run_tests.yml

@@ -40,14 +40,13 @@ jobs:
 
   - script: |
       pip install -U wheel
-      python setup.py bdist_wheel
-      pip install --pre --no-index -f dist exec-helpers
+      python setup.py develop -v
     displayName: Build and install
 
   - script: |
-      pip install asynctest mock pytest pytest-mock pytest-asyncio pytest-sugar
+      pip install asynctest mock pytest pytest-mock pytest-asyncio pytest-sugar pytest-cov
 
-      pytest -vvv --junitxml=unit_result.xml test
+      pytest -vvv --junitxml=unit_result.xml --cov=exec_helpers --cov-report=xml --cov-report=html --cov-report term test
     displayName: PyTest
 
   - task: PublishTestResults@2
@@ -57,3 +56,10 @@ jobs:
       testResultsFormat: "JUnit"
       testResultsFiles: ${{ format('$(System.DefaultWorkingDirectory)/unit_result.xml') }}
       testRunTitle: ${{ format('{0}_{1}_{2}', parameters.name, parameters.architecture, parameters.kind) }}
+
+  - ${{ if ne(parameters.kind, 'cython') }}:
+      - task: PublishCodeCoverageResults@1
+        inputs:
+          codeCoverageTool: Cobertura
+          summaryFileLocation: ${{ format('$(System.DefaultWorkingDirectory)/coverage.xml') }}
+          reportDirectory: ${{ format('$(System.DefaultWorkingDirectory)/htmlcov') }}

.coveragerc

@@ -3,7 +3,7 @@ source =
   exec_helpers
 omit =
   test/*
-
+branch = True
 [report]
 exclude_lines =
   # Have to re-enable the standard pragma