Add code coverage report

Author: everoddandeven

.github/workflows/codacy.yml

@@ -0,0 +1,30 @@
+name: Codacy Coverage Reporter
+
+on:
+  workflow_run:
+    workflows:
+      - Tests
+    types:
+      - completed
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  report-coverage:
+    if: github.repository == 'everoddandeven/monero-python'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download coverage report
+        uses: actions/download-artifact@v5
+        with:
+          name: coverage-report
+          github-token: ${{ secrets.API_GITHUB }}
+          run-id: ${{ github.event.workflow_run.id }}
+
+      - name: Run codacy-coverage-reporter
+        uses: codacy/codacy-coverage-reporter-action@v1
+        with:
+          project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
+          coverage-reports: coverage.info

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt update
-        sudo apt install -y build-essential cmake pkg-config libssl-dev libzmq3-dev libunbound-dev libsodium-dev libunwind8-dev liblzma-dev libreadline6-dev libexpat1-dev libpgm-dev qttools5-dev-tools libhidapi-dev libusb-1.0-0-dev libprotobuf-dev protobuf-compiler libudev-dev libboost-chrono-dev libboost-date-time-dev libboost-filesystem-dev libboost-locale-dev libboost-program-options-dev libboost-regex-dev libboost-serialization-dev libboost-system-dev libboost-thread-dev python3 ccache doxygen graphviz git curl autoconf libtool gperf nettle-dev libevent-dev debhelper python3-all python3-pip python3-pybind11 python3-pytest python3-pytest-rerunfailures
+        sudo apt install -y build-essential cmake pkg-config libssl-dev libzmq3-dev libunbound-dev libsodium-dev libunwind8-dev liblzma-dev libreadline6-dev libexpat1-dev libpgm-dev qttools5-dev-tools libhidapi-dev libusb-1.0-0-dev libprotobuf-dev protobuf-compiler libudev-dev libboost-chrono-dev libboost-date-time-dev libboost-filesystem-dev libboost-locale-dev libboost-program-options-dev libboost-regex-dev libboost-serialization-dev libboost-system-dev libboost-thread-dev python3 ccache doxygen graphviz git curl autoconf libtool gperf nettle-dev libevent-dev debhelper python3-all python3-pip python3-pybind11 python3-pytest python3-pytest-rerunfailures lcov
         pip3 install pybind11-stubgen pytest --break-system-packages
 
     - name: Install expat
@@ -106,12 +106,19 @@ jobs:
     - name: Install monero-python
       run: |
         mkdir -p build
-        pip3 install -vvv .
+        export CFLAGS="--coverage -O0 -g"
+        export CXXFLAGS="--coverage -O0 -g"
+        export LDFLAGS="--coverage"
+        COVERAGE=1 pip3 install -vvv .
 
     - name: Setup test environment
       run: |
         docker compose -f tests/docker-compose.yml up -d node_1 node_2 xmr_wallet_1 xmr_wallet_2
 
+    - name: Reset coverage counters
+      run: |
+        lcov --directory . --zerocounters
+
     - name: Run tests
       env:
         IN_CONTAINER: "true"
@@ -121,3 +128,15 @@ jobs:
     - name: Cleanup test environment
       if: always()
       run: docker compose -f tests/docker-compose.yml down -v
+
+    - name: Generate coverage report
+      run: |
+        lcov --capture --directory . --ignore-errors mismatch,mismatch,inconsistent,source,source,gcov,gcov --output-file coverage_full.info
+        lcov --ignore-errors unused,unused --remove coverage_full.info '/usr/*' '*/external/*' '*/pybind11/*' '*monero-cpp/*' '*monero-project/*' --output-file coverage.info
+
+    - name: Upload coverage report
+      uses: actions/upload-artifact@v4
+      with:
+        name: coverage-report
+        path: coverage.info
+

.gitignore

@@ -11,3 +11,4 @@ test_wallets
 .github/instructions/codacy.instructions.md
 .idea
 .codacy
+coverage*

setup.py

@@ -1,11 +1,19 @@
 import pybind11
 import sys
+import os
 
 from setuptools import setup
 from pathlib import Path
 from pybind11.setup_helpers import Pybind11Extension, build_ext
 
+coverage = os.environ.get("COVERAGE") == "1"
 this_dir = Path(__file__).parent.resolve()
+extra_compile_args = ['/std:c++17'] if sys.platform == "win32" else ['-std=c++17']
+extra_link_args = []
+
+if coverage:
+    extra_compile_args += ['-O0', '-g', '--coverage']
+    extra_link_args += ['--coverage']
 
 ext_modules = [
     Pybind11Extension(
@@ -39,7 +47,8 @@
         ],
         libraries=['monero-cpp'],
         language='c++',
-        extra_compile_args=['/std:c++17'] if sys.platform == "win32" else ['-std=c++17'],
+        extra_compile_args=extra_compile_args,
+        extra_link_args=extra_link_args
     ),
 ]