[test] Introduce click context helper

tests/helpers.py

+# Copyright  2016-2021 Maël Azimi <m.a@moul.re>
+#
+# Silkaj is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Silkaj 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Silkaj. If not, see <https://www.gnu.org/licenses/>.
+
+import click
+
+from silkaj import cli
+
+
+def define_click_context(endpoint=None, gtest=False):
+    ctx = click.Context(cli.cli)
+    ctx.obj = dict()
+    ctx.obj["ENDPOINT"] = endpoint
+    ctx.obj["GTEST"] = gtest
+    click.globals.push_context(ctx)