test: add end-to-end test for all backends (#4)

Co-authored-by: Bas Zalmstra <4995967+baszalmstra@users.noreply.github.com>

Author: Hofer-Julian

.github/workflows/CI.yml

@@ -19,6 +19,7 @@ env:
   CICD_INTERMEDIATES_DIR: "_cicd-intermediates"
   XDG_CACHE_HOME: ${{ github.workspace }}/.cache
   PYTEST_ADDOPTS: "--color=yes"
+  PYTHONIOENCODING: utf-8
 
 jobs:
   test-linux-x86_64:

pixi.toml

@@ -34,7 +34,7 @@ test-slow = "pytest --numprocesses=auto --durations=0 --timeout=600 tests/integr
 # pass the file to run as an argument to the task
 # you can also pass a specific test function, like this:
 # /path/to/test.py::test_function
-test-specific-test = { cmd = "pytest -k {{ test_substring }}", args = [
+test-specific-test = { cmd = "pytest -k '{{ test_substring }}'", args = [
   "test_substring",
 ] }
 # Update one test channel by passing on value of `mappings.toml`

tests/data/pixi_build/minimal-backend-workspaces/pixi-build-cmake/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.20)
+project(simple-app)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Create executable from main.cpp
+add_executable(${PROJECT_NAME} src/main.cpp)
+
+# Install the executable
+install(TARGETS ${PROJECT_NAME}
+    RUNTIME DESTINATION bin
+)

tests/data/pixi_build/minimal-backend-workspaces/pixi-build-cmake/pixi.lock

@@ -0,0 +1,20 @@
+[workspace]
+channels = [
+  "https://prefix.dev/pixi-build-backends",
+  "https://prefix.dev/conda-forge",
+]
+platforms = ["osx-arm64", "osx-64", "linux-64", "win-64"]
+preview = ["pixi-build"]
+
+[dependencies]
+simple-app = { path = "." }
+
+[tasks]
+start = "simple-app"
+
+[package]
+name = "simple-app"
+version = "0.1.0"
+
+[package.build]
+backend = { name = "pixi-build-cmake", version = "*" }

tests/data/pixi_build/minimal-backend-workspaces/pixi-build-cmake/pixi.toml

@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main() {
+    std::cout << "Build backend works" << std::endl;
+    return 0;
+}