From 974751efd14db11b68d36ff3a7dfd1dab0e69be9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavol=20=C5=BD=C3=A1=C4=8Dik?= <zacik.pa@gmail.com>
Date: Tue, 23 Jul 2024 18:06:16 +0200
Subject: [PATCH] Add simple sanity tests of the Python bindings

And include them in the CI together with pylint
and formatting checks.
---
 .github/workflows/python.yml | 48 ++++++++++++++++++++++++++++++++++++
 python/tests/sanity_test.py  | 46 ++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 .github/workflows/python.yml
 create mode 100644 python/tests/sanity_test.py

diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
new file mode 100644
index 00000000..18eb5915
--- /dev/null
+++ b/.github/workflows/python.yml
@@ -0,0 +1,48 @@
+name: Test Python bindings
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  test_python:
+    name: Test Python bindings
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
+
+    - name: Build and install libcpuid
+      run: |
+        sudo apt-get install autoconf libtool automake
+        libtoolize
+        autoreconf --install
+        ./configure
+        make
+        sudo make install
+        sudo ldconfig
+
+    - name: Check code formatting (black)
+      run: |
+        pip install black
+        black --check python
+
+    - name: Install the libcpuid Python package
+      run: pip install ./python
+
+    - name: Perform static analysis (pylint)
+      run: |
+        pip install pylint
+        pylint python/src/libcpuid
+
+    - name: Run tests
+      run: |
+        pip install pytest
+        pytest ./python
diff --git a/python/tests/sanity_test.py b/python/tests/sanity_test.py
new file mode 100644
index 00000000..bf17dc45
--- /dev/null
+++ b/python/tests/sanity_test.py
@@ -0,0 +1,46 @@
+"""Sanity tests for the libcpuid package."""
+
+import os
+import tempfile
+import libcpuid
+from libcpuid.info import CPUInfo, SystemInfo
+from libcpuid.raw import CPURawData, CPURawDataArray
+
+
+def test_cpu_name_in_vendor_list():
+    """
+    Checks that the current CPU codename appears
+    in the list of all CPUs of its vendor.
+    """
+    info = CPUInfo.from_current_cpu()
+    cpulist = libcpuid.get_cpu_list(info.vendor)
+    assert info.cpu_codename in cpulist
+
+
+def test_serialization():
+    """
+    Checks that CPU data serialization and
+    deserialization does not raise any errors.
+    """
+    with tempfile.TemporaryDirectory() as tmpdirname:
+        info_file = os.path.join(tmpdirname, "info.txt")
+        raw = CPURawData.from_current_cpu()
+        raw.serialize(info_file)
+        info = CPUInfo.from_raw(raw)
+        info_from_file = CPUInfo.from_raw(CPURawData.from_file(info_file))
+        assert info.features == info_from_file.features
+
+
+def test_array_serialization():
+    """
+    Checks that CPU array data serialization and
+    deserialization does not raise any errors.
+    """
+    with tempfile.TemporaryDirectory() as tmpdirname:
+        info_file = os.path.join(tmpdirname, "info.txt")
+        raw_array = CPURawDataArray.from_all_cpus()
+        raw_array.serialize(info_file)
+        info = SystemInfo.from_raw_array(raw_array)
+        info_from_file = SystemInfo.from_raw_array(CPURawDataArray.from_file(info_file))
+        assert len(info) == len(info_from_file)
+        assert info[0].features == info_from_file[0].features