test: improve testing speed by using prefix channel

schema/model.py

@@ -207,7 +207,7 @@ class MatchspecTable(StrictBaseModel):
     channel: NonEmptyStr | None = Field(
         None,
         description="The channel the packages needs to be fetched from",
-        examples=["conda-forge", "pytorch", "https://repo.prefix.dev/conda-forge"],
+        examples=["conda-forge", "pytorch", "https://prefix.dev/conda-forge"],
     )
     subdir: NonEmptyStr | None = Field(
         None, description="The subdir of the package, also known as platform"

tests/integration_python/common.py

@@ -22,6 +22,8 @@
 platforms = ["{CURRENT_PLATFORM}"]
 """
 
+CONDA_FORGE_CHANNEL = "https://prefix.dev/conda-forge"
+
 
 class ExitCode(IntEnum):
     SUCCESS = 0

tests/integration_python/conftest.py

@@ -2,7 +2,7 @@
 
 import pytest
 
-from .common import exec_extension
+from .common import exec_extension, CONDA_FORGE_CHANNEL
 
 
 def pytest_addoption(parser: pytest.Parser) -> None:
@@ -23,9 +23,9 @@ def pixi(request: pytest.FixtureRequest) -> Path:
 
 @pytest.fixture
 def tmp_pixi_workspace(tmp_path: Path) -> Path:
-    pixi_config = """
+    pixi_config = f"""
 # Reset to defaults
-default-channels = ["conda-forge"]
+default-channels = ["{CONDA_FORGE_CHANNEL}"]
 shell.change-ps1 = true
 tls-no-verify = false
 detached-environments = false

tests/integration_python/test_edge_cases.py

@@ -7,7 +7,7 @@
 import tomli
 import tomli_w
 
-from .common import CURRENT_PLATFORM, verify_cli_command, ExitCode
+from .common import CURRENT_PLATFORM, verify_cli_command, ExitCode, CONDA_FORGE_CHANNEL
 
 
 @pytest.mark.extra_slow
@@ -414,7 +414,7 @@ def test_installation_pypi_conda_mismatch(
 
 
 def test_pypi_url_fragment_in_project_deps(tmp_pixi_workspace: Path, pixi: Path) -> None:
-    pyproject_content = """
+    pyproject_content = f"""
 [project]
 version = "0.1.0"
 name = "test"
@@ -428,11 +428,11 @@ def test_pypi_url_fragment_in_project_deps(tmp_pixi_workspace: Path, pixi: Path)
 build-backend = "hatchling.build"
 
 [tool.pixi.workspace]
-platforms = ["linux-64", "osx-arm64", "win-64"]
-channels = ["https://prefix.dev/conda-forge"]
+platforms = ["{CURRENT_PLATFORM}"]
+channels = ["{CONDA_FORGE_CHANNEL}"]
 
 [tool.pixi.pypi-dependencies]
-test = { path = ".", editable = true }
+test = {{ path = ".", editable = true }}
 
 [tool.hatch.metadata]
 allow-direct-references = true
@@ -516,7 +516,7 @@ def test_issue_4123_cache_prevents_editable_install(
 
     (proj1 / "pixi.toml").write_text(f"""[project]
 name = "proj1"
-channels = ["conda-forge"]
+channels = ["{CONDA_FORGE_CHANNEL}"]
 platforms = ["{CURRENT_PLATFORM}"]
 [dependencies]
 python = "3.12.*"
@@ -531,7 +531,7 @@ def test_issue_4123_cache_prevents_editable_install(
 
     (proj2 / "pixi.toml").write_text(f"""[project]
 name = "proj2"
-channels = ["conda-forge"]
+channels = ["{CONDA_FORGE_CHANNEL}"]
 platforms = ["{CURRENT_PLATFORM}"]
 [dependencies]
 python = "3.12.*"

tests/integration_python/test_main_cli.py

@@ -1344,6 +1344,7 @@ def test_pixi_task_list_json(
     assert task_data == snapshot
 
 
+@pytest.mark.extra_slow
 def test_info_output_extended(
     pixi: Path, tmp_pixi_workspace: Path, snapshot: SnapshotAssertion
 ) -> None:

tests/integration_python/test_reinstall.py

@@ -13,7 +13,7 @@ def reinstall_workspace(tmp_pixi_workspace: Path, mock_projects: Path) -> Path:
     return tmp_pixi_workspace
 
 
-@pytest.mark.slow
+@pytest.mark.extra_slow
 def test_pixi_reinstall_default_env(pixi: Path, reinstall_workspace: Path) -> None:
     env = {
         "PIXI_CACHE_DIR": str(reinstall_workspace.joinpath("pixi_cache")),

tests/integration_rust/upgrade_tests.rs

@@ -14,7 +14,7 @@ async fn pypi_dependency_index_preserved_on_upgrade() {
     let pixi = PixiControl::from_manifest(&format!(
         r#"
         [workspace]
-        channels = ["conda-forge"]
+        channels = ["https://prefix.dev/conda-forge"]
         platforms = ["{platform}"]
         exclude-newer = "2025-05-19"