tests: add tests for CLI params parsing

[babeltrace.git] / tests / data / cli / params / bt_plugin_params.py

diff --git a/tests/data/cli/params/bt_plugin_params.py b/tests/data/cli/params/bt_plugin_params.py
new file mode 100644 (file)
index 0000000..4d75013
--- /dev/null
+++ b/tests/data/cli/params/bt_plugin_params.py
@@ -0,0 +1,51 @@
+#
+# Copyright (C) 2019 EfficiOS Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; only version 2
+# of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
+import bt2
+
+
+def to_string(p):
+    # Print BT values in a predictable way (the order of map entries) and with
+    # additional information (u suffix to differentiate unsigned integers from
+    # signed integers).
+
+    if type(p) is bt2.ArrayValue:
+        s = '[{}]'.format(', '.join([to_string(x) for x in p]))
+    elif type(p) is bt2.MapValue:
+        s = '{{{}}}'.format(
+            ', '.join([k + '=' + to_string(p[k]) for k in sorted(p.keys())])
+        )
+    elif type(p) is bt2.UnsignedIntegerValue:
+        s = str(p) + 'u'
+    else:
+        s = str(p)
+
+    return s
+
+
+@bt2.plugin_component_class
+class SinkThatPrintsParams(bt2._UserSinkComponent):
+    def __init__(self, params, obj):
+        self._add_input_port('in')
+        print(to_string(params))
+
+    def _user_consume(self):
+        raise bt2.Stop
+
+
+bt2.register_plugin(__name__, "params")