Run host tests by default

.github/workflows/main.yml

@@ -59,6 +59,12 @@ jobs:
           {runner: selenium, runtime: node, node-version: 14},
           {runner: selenium, runtime: node, node-version: 16},
           {runner: selenium, runtime: node, node-version: 18},
+          {runner: selenium, runtime: firefox-no-host, firefox-version: latest, geckodriver-version: latest },
+          {
+            runner: selenium, runtime: chrome firefox,
+            firefox-version: latest, geckodriver-version: latest,
+            chrome-version: latest, chromedriver-version: latest,
+          },
           {runner: selenium, runtime: host},
           # playwright browser versions are pinned to playwright version
           {runner: playwright, runtime: firefox, playwright-version: 1.22.0, node-version: 18},
@@ -81,7 +87,7 @@ jobs:
 
       - name: Install node
         uses: actions/setup-node@v3
-        if: ${{ matrix.test-config.runtime == 'node' || matrix.test-config.runner == 'playwright' }}
+        if: ${{ contains(matrix.test-config.runtime, 'node') || matrix.test-config.runner == 'playwright' }}
         with:
           node-version: ${{ matrix.test-config.node-version }}
 
@@ -102,28 +108,28 @@ jobs:
 
       - name: Install firefox
         uses: browser-actions/setup-firefox@latest
-        if: ${{ matrix.test-config.runner == 'selenium' && matrix.test-config.runtime == 'firefox' }}
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'firefox') }}
         with:
           firefox-version: ${{ matrix.test-config.firefox-version }}
 
       - name: Install geckodriver
         uses: browser-actions/setup-geckodriver@latest
-        if: ${{ matrix.test-config.runner == 'selenium' && matrix.test-config.runtime == 'firefox' }}
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'firefox') }}
         with:
           geckodriver-version: ${{ matrix.test-config.geckodriver-version }}
 
       - name: Install chrome
         uses: browser-actions/setup-chrome@latest
-        if: ${{ matrix.test-config.runner == 'selenium' && matrix.test-config.runtime == 'chrome' }}
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'chrome') }}
         with:
           chrome-version: ${{ matrix.test-config.geckodriver-version }}
 
       - name: Install chromedriver
-        if: ${{ matrix.test-config.runner == 'selenium' && matrix.test-config.runtime == 'chrome' }}
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'chrome') }}
         uses: nanasess/setup-chromedriver@v1
 
       - name: Enable Safari Driver
-        if: ${{ matrix.test-config.runner == 'selenium' && matrix.test-config.runtime == 'safari' && contains(runner.os, 'macos') }}
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'safari') && contains(runner.os, 'macos') }}
         run: |
           sudo safaridriver --enable
           # Only one Safari browser instance can be active at any given time
@@ -153,7 +159,7 @@ jobs:
             --cov=pytest_pyodide \
             --dist-dir=./dist/ \
             --runner=${{ matrix.test-config.runner }} \
-            --rt=${{ matrix.test-config.runtime }}
+            --rt ${{ matrix.test-config.runtime }}
 
       - uses: codecov/codecov-action@v3
         if: ${{ github.event.repo.name == 'pyodide/pytest-pyodide' || github.event_name == 'pull_request' }}

CHANGELOG.md

@@ -1,3 +1,8 @@
+## [0.22.2] - 2002.09.08
+
+- Host tests will now run by default. If you want to disable running host tests, add `-no-host` suffix in the `--runtime` option. ([#33](https://github.com/pyodide/pytest-pyodide/pull/33))
+- Multiple browser testing is now available by passing `--runtime` option multiple times. ([#33](https://github.com/pyodide/pytest-pyodide/pull/33))
+
 ## [0.22.1] - 2002.09.06
 
 - Re-order safari tests to make sure only one simultaneous session exists during the test ([#29](https://github.com/pyodide/pytest-pyodide/pull/29))

README.md

@@ -118,11 +118,14 @@ Possible options for `--runtime` are:
 - firefox
 - chrome
 - safari
-- all (chrome + firefox + safari + node)
 - host (do not run browser-based tests)
 
 ```sh
 pytest --runtime firefox
+pytest --runtime firefox --runtime chrome
+
+# Adding -no-host suffix will disable running host tests
+pytest --runtime chrome-no-host
 ```
 
 ## Running tests with Playwright (optional)

pytest_pyodide/hook.py

@@ -14,6 +14,31 @@
 from .utils import parse_xfail_browsers
 
 RUNTIMES = ["firefox", "chrome", "safari", "node"]
+RUNTIMES_AND_HOST = RUNTIMES + ["host"]
+RUNTIMES_NO_HOST = [f"{runtime}-no-host" for runtime in RUNTIMES]
+
+
+def _filter_runtimes(runtime: list[str]) -> tuple[bool, set[str]]:
+    # Always run host test, unless 'no-host' is given.
+    run_host = True
+
+    # remove duplicates
+    runtime_set = set(runtime)
+
+    runtime_filtered = set()
+    for rt in runtime_set:
+        if rt.endswith("-no-host"):
+            run_host = False
+            rt = rt.replace("-no-host", "")
+
+        runtime_filtered.add(rt)
+
+    # If '--rt chrome-no-host --rt host' is given, we run host tests.
+    run_host = run_host or ("host" in runtime_filtered)
+
+    runtime_filtered.discard("host")
+
+    return run_host, runtime_filtered
 
 
 def pytest_configure(config):
@@ -38,6 +63,9 @@ def pytest_configure(config):
         "xfail_browsers: xfail a test in specific browsers",
     )
 
+    run_host, runtimes = _filter_runtimes(config.option.runtime)
+    pytest.pyodide_run_host_test = run_host
+    pytest.pyodide_runtimes = runtimes
     pytest.pyodide_dist_dir = config.getoption("--dist-dir")
 
 
@@ -61,9 +89,10 @@ def pytest_addoption(parser):
         "--rt",
         "--runtime",
         dest="runtime",
-        default="node",
-        choices=RUNTIMES + ["all", "host"],
-        help="Select runtime, firefox, chrome, node, all, or host (default: %(default)s)",
+        nargs="+",
+        default=["node"],
+        choices=RUNTIMES_AND_HOST + RUNTIMES_NO_HOST,
+        help="Select runtime (default: %(default)s)",
     )
 
 
@@ -106,26 +135,10 @@ def pytest_pycollect_makemodule(module_path: Path, path: Any, parent: Any) -> No
 
 def pytest_generate_tests(metafunc: Any) -> None:
     if "runtime" in metafunc.fixturenames:
-        runtime = metafunc.config.option.runtime
-
-        if runtime == "all":
-            runtime = RUNTIMES
-
-        metafunc.parametrize("runtime", [runtime], scope="module")
+        metafunc.parametrize("runtime", pytest.pyodide_runtimes, scope="module")
 
 
 def pytest_collection_modifyitems(items: list[Any]) -> None:
-    for item in items:
-        if not hasattr(item, "fixturenames"):
-            # Some items like DoctestItem has no fixture
-            continue
-        if item.config.option.runtime == "host" and "runtime" in item.fixturenames:
-            item.add_marker(pytest.mark.skip(reason="Non-host test"))
-        elif (
-            item.config.option.runtime != "host" and "runtime" not in item.fixturenames
-        ):
-            item.add_marker(pytest.mark.skip(reason="Host test"))
-
     # Run all Safari standalone tests first
     # Since Safari doesn't support more than one simultaneous session, we run all
     # selenium_standalone Safari tests first. We preserve the order of other
@@ -158,6 +171,18 @@ def _get_item_position(item):
     items[:] = sorted(items, key=_get_item_position)
 
 
+@pytest.hookimpl(tryfirst=True)
+def pytest_runtest_setup(item):
+    if not hasattr(item, "fixturenames"):
+        # Some items like DoctestItem has no fixture
+        return
+
+    if not pytest.pyodide_runtimes and "runtime" in item.fixturenames:  # type: ignore[truthy-bool]
+        pytest.skip(reason="Non-host test")
+    elif not pytest.pyodide_run_host_test and "runtime" not in item.fixturenames:  # type: ignore[truthy-bool]
+        pytest.skip("Host test")
+
+
 @pytest.hookimpl(hookwrapper=True)
 def pytest_runtest_call(item):
 

tests/test_testing.py

@@ -1,20 +1,24 @@
 import pathlib
 
+import pytest
+
 
 def test_web_server_secondary(selenium, web_server_secondary):
     host, port, logs = web_server_secondary
     assert pathlib.Path(logs).exists()
     assert selenium.server_port != port
 
 
-def test_host(request):
-    runtime = request.config.option.runtime
-    assert runtime == "host", "this test should only run when runtime is host"
+def test_host():
+    assert (
+        pytest.pyodide_run_host_test
+    ), "this test should only run when host test is enabled"
 
 
-def test_runtime(selenium, request):
-    runtime = request.config.option.runtime
-    assert runtime != "host", "this test should only run when runtime is not host"
+def test_runtime(selenium):
+    assert (
+        pytest.pyodide_runtimes
+    ), "this test should only run when runtime is specified"
 
 
 def test_doctest():