cmd: Implement httpie plugins interface (#1200)

tests/test_plugins_cli.py

@@ -0,0 +1,132 @@
+import pytest
+
+from httpie.status import ExitStatus
+from tests.utils import httpie
+from tests.utils.plugins_cli import parse_listing
+
+
+def test_plugins_installation(httpie_plugins_success, interface, dummy_plugin):
+    lines = httpie_plugins_success('install', dummy_plugin.path)
+    assert lines[0].startswith(
+        f'Installing {dummy_plugin.path}'
+    )
+    assert f'Successfully installed {dummy_plugin.name}-{dummy_plugin.version}' in lines
+    assert interface.is_installed(dummy_plugin.name)
+
+
+def test_plugins_listing(httpie_plugins_success, interface, dummy_plugin):
+    httpie_plugins_success('install', dummy_plugin.path)
+    data = parse_listing(httpie_plugins_success('list'))
+
+    assert data == {
+        dummy_plugin.name: dummy_plugin.dump()
+    }
+
+
+def test_plugins_listing_multiple(interface, httpie_plugins_success, dummy_plugins):
+    paths = [plugin.path for plugin in dummy_plugins]
+    httpie_plugins_success('install', *paths)
+    data = parse_listing(httpie_plugins_success('list'))
+
+    assert data == {
+        plugin.name: plugin.dump()
+        for plugin in dummy_plugins
+    }
+
+
+def test_plugins_uninstall(interface, httpie_plugins_success, dummy_plugin):
+    httpie_plugins_success('install', dummy_plugin.path)
+    httpie_plugins_success('uninstall', dummy_plugin.name)
+    assert not interface.is_installed(dummy_plugin.name)
+
+
+def test_plugins_listing_after_uninstall(interface, httpie_plugins_success, dummy_plugin):
+    httpie_plugins_success('install', dummy_plugin.path)
+    httpie_plugins_success('uninstall', dummy_plugin.name)
+
+    data = parse_listing(httpie_plugins_success('list'))
+    assert len(data) == 0
+
+
+def test_plugins_uninstall_specific(interface, httpie_plugins_success):
+    new_plugin_1 = interface.make_dummy_plugin()
+    new_plugin_2 = interface.make_dummy_plugin()
+    target_plugin = interface.make_dummy_plugin()
+
+    httpie_plugins_success('install', new_plugin_1.path, new_plugin_2.path, target_plugin.path)
+    httpie_plugins_success('uninstall', target_plugin.name)
+
+    assert interface.is_installed(new_plugin_1.name)
+    assert interface.is_installed(new_plugin_2.name)
+    assert not interface.is_installed(target_plugin.name)
+
+
+def test_plugins_installation_failed(httpie_plugins, interface):
+    plugin = interface.make_dummy_plugin(build=False)
+    result = httpie_plugins('install', plugin.path)
+
+    assert result.exit_status == ExitStatus.ERROR
+    assert result.stderr.splitlines()[-1].strip().startswith("Can't install")
+
+
+def test_plugins_uninstall_non_existent(httpie_plugins, interface):
+    plugin = interface.make_dummy_plugin(build=False)
+    result = httpie_plugins('uninstall', plugin.name)
+
+    assert result.exit_status == ExitStatus.ERROR
+    assert (
+        result.stderr.splitlines()[-1].strip()
+        == f"Can't uninstall '{plugin.name}': package is not installed"
+    )
+
+
+def test_plugins_double_uninstall(httpie_plugins, httpie_plugins_success, dummy_plugin):
+    httpie_plugins_success("install", dummy_plugin.path)
+    httpie_plugins_success("uninstall", dummy_plugin.name)
+
+    result = httpie_plugins("uninstall", dummy_plugin.name)
+
+    assert result.exit_status == ExitStatus.ERROR
+    assert (
+        result.stderr.splitlines()[-1].strip()
+        == f"Can't uninstall '{dummy_plugin.name}': package is not installed"
+    )
+
+
+def test_plugins_cli_error_message_without_args():
+    # No arguments
+    result = httpie(no_debug=True)
+    assert result.exit_status == ExitStatus.ERROR
+    assert 'usage: ' in result.stderr
+    assert 'specify one of these' in result.stderr
+    assert 'please use the http/https commands:' in result.stderr
+
+
+@pytest.mark.parametrize(
+    'example', [
+        'pie.dev/get',
+        'DELETE localhost:8000/delete',
+        'POST pie.dev/post header:value a=b header_2:value x:=1'
+    ]
+)
+def test_plugins_cli_error_messages_with_example(example):
+    result = httpie(*example.split(), no_debug=True)
+    assert result.exit_status == ExitStatus.ERROR
+    assert 'usage: ' in result.stderr
+    assert f'http {example}' in result.stderr
+    assert f'https {example}' in result.stderr
+
+
+@pytest.mark.parametrize(
+    'example', [
+        'plugins unknown',
+        'plugins unknown.com A:B c=d',
+        'unknown.com UNPARSABLE????SYNTAX',
+    ]
+)
+def test_plugins_cli_error_messages_invalid_example(example):
+    result = httpie(*example.split(), no_debug=True)
+    assert result.exit_status == ExitStatus.ERROR
+    assert 'usage: ' in result.stderr
+    assert f'http {example}' not in result.stderr
+    assert f'https {example}' not in result.stderr