test: add some basic command-line usage tests

1 files changed, 58 insertions, 6 deletions

diff --git a/test/py/test_basic.py b/test/py/test_basic.py
index ab062e5..9737552 100644
--- a/test/py/test_basic.py
+++ b/test/py/test_basic.py
@@ -6,12 +6,64 @@
 import re
 
 
-def test_server_and_workers_run(server_and_workers):
+def _test_cmd_line_version_internal(cmd_line, name, version):
+    for flag in ('--version', '-V'):
+        output = cmd_line.run(flag).removesuffix('\n')
+        match = re.match(r'^cimple-(\w+) v(\d+\.\d+\.\d+) \([0-9a-f]{40,}\)$', output)
+        assert match, f'Invalid {flag} output:\n{output}'
+        assert match.group(1) == name
+        assert match.group(2) == version
+
+
+def test_cmd_line_version(server_exe, worker_exe, client_exe, version):
+    _test_cmd_line_version_internal(server_exe, 'server', version)
+    _test_cmd_line_version_internal(worker_exe, 'worker', version)
+    _test_cmd_line_version_internal(client_exe, 'client', version)
+
+
+def _test_cmd_line_help_internal(cmd_line, name):
+    for flag in ('--help', '-h'):
+        output = cmd_line.run(flag).removesuffix('\n')
+        match = re.match(r'^usage: cimple-(\w+) ', output)
+        assert match, f'Invalid {flag} output:\n{output}'
+        assert match.group(1) == name
+
+
+def test_cmd_line_help(server_exe, worker_exe, client_exe):
+    _test_cmd_line_help_internal(server_exe, 'server')
+    _test_cmd_line_help_internal(worker_exe, 'worker')
+    _test_cmd_line_help_internal(client_exe, 'client')
+
+
+def _test_cmd_line_invalid_option_internal(cmd_line, name):
+    for args in (['-x'], ['--invalid', 'value']):
+        ec, output = cmd_line.try_run(*args)
+        assert ec != 0, f'Invalid exit code {ec}, output:\n{output}'
+
+
+def test_cmd_line_invalid_option(server_exe, worker_exe, client_exe):
+    _test_cmd_line_invalid_option_internal(server_exe, 'server')
+    _test_cmd_line_invalid_option_internal(worker_exe, 'worker')
+    _test_cmd_line_invalid_option_internal(client_exe, 'client')
+
+
+def test_run_client_no_msg(client):
+    ec, output = client.try_run()
+    assert ec != 0, f'Invalid exit code {ec}, output:\n{output}'
+    prefix = 'usage error: no message to send to the server\n'
+    assert output.startswith(prefix), f'Invalid output:\n{output}'
+
+
+def test_run_client_invalid_msg(server, client):
+    ec, output = client.try_run('hello')
+    assert ec != 0, f'Invalid exit code {ec}, output:\n{output}'
+    suffix = "Failed to connect to server or it couldn't process the request\n"
+    assert output.endswith(suffix), f'Invalid output:\n{output}'
+
+
+def test_run_noop_server(server):
     pass
 
 
-def test_client_version(client, version):
-    output = client.run('--version').removesuffix('\n')
-    match = re.match(r'^cimple-client v(\d+\.\d+\.\d+) \([0-9a-f]{40,}\)$', output)
-    assert match, f'Invalid --version output: {output}'
-    assert match.group(1) == version
+def test_run_noop_server_and_workers(server_and_workers):
+    pass