[PATCH v2 10/13] test: add first sample tests

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

The test can be run manually with e.g.

  labgrid-pytest --lg-env test/arm/qemu_virt64_defconfig.yaml test/py

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 test/.gitignore       |  1 +
 test/__init__.py      |  0
 test/conftest.py      | 34 ++++++++++++++++++++++++++++++++++
 test/py/__init__.py   |  0
 test/py/helper.py     | 38 ++++++++++++++++++++++++++++++++++++++
 test/py/test_shell.py | 37 +++++++++++++++++++++++++++++++++++++
 6 files changed, 110 insertions(+)
 create mode 100644 test/.gitignore
 create mode 100644 test/__init__.py
 create mode 100644 test/conftest.py
 create mode 100644 test/py/__init__.py
 create mode 100644 test/py/helper.py
 create mode 100644 test/py/test_shell.py

diff --git a/test/.gitignore b/test/.gitignore
new file mode 100644
index 000000000000..bee8a64b79a9
--- /dev/null
+++ b/test/.gitignore
@@ -0,0 +1 @@
+__pycache__
diff --git a/test/__init__.py b/test/__init__.py
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/test/conftest.py b/test/conftest.py
new file mode 100644
index 000000000000..5acc1a99e18e
--- /dev/null
+++ b/test/conftest.py
@@ -0,0 +1,34 @@
+import pytest
+import os
+from .py import helper
+
+
+@pytest.fixture(scope='function')
+def barebox(strategy, target):
+    strategy.transition('barebox')
+    return target.get_driver('BareboxDriver')
+
+
+@pytest.fixture(scope='function')
+def shell(strategy, target):
+    strategy.transition('shell')
+    return target.get_driver('ShellDriver')
+
+
+@pytest.fixture(scope="session")
+def barebox_config(strategy, target):
+    strategy.transition('barebox')
+    command = target.get_driver("BareboxDriver")
+    return helper.get_config(command)
+
+def pytest_configure(config):
+    if 'LG_BUILDDIR' not in os.environ:
+        if 'KBUILD_OUTPUT' in os.environ:
+            os.environ['LG_BUILDDIR'] = os.environ['KBUILD_OUTPUT']
+        elif os.path.isdir('build'):
+            os.environ['LG_BUILDDIR'] = os.path.realpath('build')
+        else:
+            os.environ['LG_BUILDDIR'] = os.getcwd()
+
+    if os.environ['LG_BUILDDIR'] is not None:
+        os.environ['LG_BUILDDIR'] = os.path.realpath(os.environ['LG_BUILDDIR'])
diff --git a/test/py/__init__.py b/test/py/__init__.py
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/test/py/helper.py b/test/py/helper.py
new file mode 100644
index 000000000000..4a68e83669ba
--- /dev/null
+++ b/test/py/helper.py
@@ -0,0 +1,38 @@
+from labgrid.driver import BareboxDriver
+import pytest
+import os
+from itertools import filterfalse
+
+
+def get_config(command):
+    """Returns the enabled config options of barebox, either from
+    a running instance if supported or by looking into .config
+    in the build directory.
+    Args:
+        command (BareboxDriver): An instance of the BareboxDriver
+    Returns:
+        list: list of the enabled config options
+    """
+    assert isinstance(command, BareboxDriver)
+
+    out, err, returncode = command.run("cat /env/data/config")
+    if returncode != 0:
+        try:
+            with open(os.environ['LG_BUILDDIR'] + "/.config") as f:
+                out = f.read().splitlines()
+        except OSError:
+            return set()
+
+    options = set()
+    for line in out:
+        if line and line.startswith("CONFIG_"):
+            options.add(line.split('=')[0])
+    return options
+
+
+def skip_disabled(config, *options):
+    if bool(config):
+        undefined = list(filterfalse(config.__contains__, options))
+
+        if bool(undefined):
+            pytest.skip("skipping test due to disabled " + (",".join(undefined)) + " dependency")
diff --git a/test/py/test_shell.py b/test/py/test_shell.py
new file mode 100644
index 000000000000..0d2dfe38c5dd
--- /dev/null
+++ b/test/py/test_shell.py
@@ -0,0 +1,37 @@
+import pytest
+from .helper import *
+
+
+def test_barebox_true(barebox, barebox_config):
+    skip_disabled(barebox_config, "CONFIG_CMD_TRUE")
+
+    _, _, returncode = barebox.run('true')
+    assert returncode == 0
+
+
+def test_barebox_false(barebox, barebox_config):
+    skip_disabled(barebox_config, "CONFIG_CMD_FALSE")
+
+    _, _, returncode = barebox.run('false')
+    assert returncode == 1
+
+def test_barebox_md5sum(barebox, barebox_config):
+    skip_disabled(barebox_config, "CONFIG_CMD_MD5SUM", "CONFIG_CMD_ECHO")
+
+    barebox.run_check("echo -o md5 test")
+    out = barebox.run_check("md5sum md5")
+    assert out == ["d8e8fca2dc0f896fd7cb4cb0031ba249  md5"]
+
+def test_barebox_version(barebox, barebox_config):
+    skip_disabled(barebox_config, "CONFIG_CMD_VERSION")
+
+    stdout, _, returncode = barebox.run('version')
+    assert 'barebox' in stdout[1]
+    assert returncode == 0
+
+def test_barebox_no_err(barebox, barebox_config):
+    skip_disabled(barebox_config, "CONFIG_CMD_DMESG")
+
+    # TODO extend by err once all qemu platforms conform
+    stdout, _, _ = barebox.run('dmesg -l crit,alert,emerg')
+    assert stdout == []
-- 
2.29.2


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