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ba2725f263
Verify that the command line argument works, by checking it's not writing to stdout/stderr, and that the generated file isn't empty.
631 lines
22 KiB
Python
631 lines
22 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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#
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# Copyright © 2018, 2019 Endless Mobile, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA
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"""Integration tests for gdbus-codegen utility."""
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import collections
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import os
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import shutil
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import subprocess
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import sys
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import tempfile
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import unittest
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import taptestrunner
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# Disable line length warnings as wrapping the C code templates would be hard
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# flake8: noqa: E501
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Result = collections.namedtuple("Result", ("info", "out", "err", "subs"))
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class TestCodegen(unittest.TestCase):
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"""Integration test for running gdbus-codegen.
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This can be run when installed or uninstalled. When uninstalled, it
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requires G_TEST_BUILDDIR and G_TEST_SRCDIR to be set.
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The idea with this test harness is to test the gdbus-codegen utility, its
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handling of command line arguments, its exit statuses, and its handling of
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various C source codes. In future we could split out tests for the core
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parsing and generation code of gdbus-codegen into separate unit tests, and
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just test command line behaviour in this integration test.
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"""
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# Track the cwd, we want to back out to that to clean up our tempdir
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cwd = ""
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def setUp(self):
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self.timeout_seconds = 100 # seconds per test
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self.tmpdir = tempfile.TemporaryDirectory()
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self.cwd = os.getcwd()
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os.chdir(self.tmpdir.name)
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print("tmpdir:", self.tmpdir.name)
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if "G_TEST_BUILDDIR" in os.environ:
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self.__codegen = os.path.join(
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os.environ["G_TEST_BUILDDIR"],
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"..",
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"gdbus-2.0",
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"codegen",
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"gdbus-codegen",
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)
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else:
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self.__codegen = shutil.which("gdbus-codegen")
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print("codegen:", self.__codegen)
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def tearDown(self):
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os.chdir(self.cwd)
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self.tmpdir.cleanup()
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def runCodegen(self, *args):
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argv = [self.__codegen]
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# shebang lines are not supported on native
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# Windows consoles
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if os.name == "nt":
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argv.insert(0, sys.executable)
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argv.extend(args)
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print("Running:", argv)
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env = os.environ.copy()
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env["LC_ALL"] = "C.UTF-8"
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print("Environment:", env)
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# We want to ensure consistent line endings...
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info = subprocess.run(
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argv,
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timeout=self.timeout_seconds,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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env=env,
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universal_newlines=True,
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)
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info.check_returncode()
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out = info.stdout.strip()
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err = info.stderr.strip()
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# Known substitutions for standard boilerplate
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subs = {
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"standard_top_comment": "/*\n"
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" * This file is generated by gdbus-codegen, do not modify it.\n"
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" *\n"
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" * The license of this code is the same as for the D-Bus interface description\n"
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" * it was derived from. Note that it links to GLib, so must comply with the\n"
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" * LGPL linking clauses.\n"
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" */",
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"standard_config_h_include": "#ifdef HAVE_CONFIG_H\n"
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'# include "config.h"\n'
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"#endif",
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"standard_header_includes": "#include <string.h>\n"
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"#ifdef G_OS_UNIX\n"
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"# include <gio/gunixfdlist.h>\n"
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"#endif",
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"standard_typedefs_and_helpers": "typedef struct\n"
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"{\n"
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" GDBusArgInfo parent_struct;\n"
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" gboolean use_gvariant;\n"
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"} _ExtendedGDBusArgInfo;\n"
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"\n"
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"typedef struct\n"
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"{\n"
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" GDBusMethodInfo parent_struct;\n"
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" const gchar *signal_name;\n"
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" gboolean pass_fdlist;\n"
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"} _ExtendedGDBusMethodInfo;\n"
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"\n"
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"typedef struct\n"
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"{\n"
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" GDBusSignalInfo parent_struct;\n"
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" const gchar *signal_name;\n"
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"} _ExtendedGDBusSignalInfo;\n"
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"\n"
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"typedef struct\n"
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"{\n"
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" GDBusPropertyInfo parent_struct;\n"
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" const gchar *hyphen_name;\n"
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" guint use_gvariant : 1;\n"
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" guint emits_changed_signal : 1;\n"
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"} _ExtendedGDBusPropertyInfo;\n"
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"\n"
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"typedef struct\n"
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"{\n"
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" GDBusInterfaceInfo parent_struct;\n"
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" const gchar *hyphen_name;\n"
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"} _ExtendedGDBusInterfaceInfo;\n"
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"\n"
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"typedef struct\n"
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"{\n"
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" const _ExtendedGDBusPropertyInfo *info;\n"
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" guint prop_id;\n"
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" GValue orig_value; /* the value before the change */\n"
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"} ChangedProperty;\n"
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"\n"
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"static void\n"
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"_changed_property_free (ChangedProperty *data)\n"
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"{\n"
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" g_value_unset (&data->orig_value);\n"
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" g_free (data);\n"
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"}\n"
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"\n"
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"static gboolean\n"
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"_g_strv_equal0 (gchar **a, gchar **b)\n"
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"{\n"
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" gboolean ret = FALSE;\n"
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" guint n;\n"
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" if (a == NULL && b == NULL)\n"
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" {\n"
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" ret = TRUE;\n"
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" goto out;\n"
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" }\n"
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" if (a == NULL || b == NULL)\n"
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" goto out;\n"
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" if (g_strv_length (a) != g_strv_length (b))\n"
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" goto out;\n"
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" for (n = 0; a[n] != NULL; n++)\n"
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" if (g_strcmp0 (a[n], b[n]) != 0)\n"
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" goto out;\n"
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" ret = TRUE;\n"
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"out:\n"
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" return ret;\n"
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"}\n"
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"\n"
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"static gboolean\n"
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"_g_variant_equal0 (GVariant *a, GVariant *b)\n"
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"{\n"
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" gboolean ret = FALSE;\n"
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" if (a == NULL && b == NULL)\n"
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" {\n"
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" ret = TRUE;\n"
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" goto out;\n"
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" }\n"
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" if (a == NULL || b == NULL)\n"
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" goto out;\n"
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" ret = g_variant_equal (a, b);\n"
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"out:\n"
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" return ret;\n"
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"}\n"
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"\n"
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"G_GNUC_UNUSED static gboolean\n"
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"_g_value_equal (const GValue *a, const GValue *b)\n"
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"{\n"
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" gboolean ret = FALSE;\n"
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" g_assert (G_VALUE_TYPE (a) == G_VALUE_TYPE (b));\n"
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" switch (G_VALUE_TYPE (a))\n"
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" {\n"
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" case G_TYPE_BOOLEAN:\n"
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" ret = (g_value_get_boolean (a) == g_value_get_boolean (b));\n"
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" break;\n"
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" case G_TYPE_UCHAR:\n"
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" ret = (g_value_get_uchar (a) == g_value_get_uchar (b));\n"
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" break;\n"
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" case G_TYPE_INT:\n"
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" ret = (g_value_get_int (a) == g_value_get_int (b));\n"
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" break;\n"
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" case G_TYPE_UINT:\n"
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" ret = (g_value_get_uint (a) == g_value_get_uint (b));\n"
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" break;\n"
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" case G_TYPE_INT64:\n"
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" ret = (g_value_get_int64 (a) == g_value_get_int64 (b));\n"
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" break;\n"
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" case G_TYPE_UINT64:\n"
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" ret = (g_value_get_uint64 (a) == g_value_get_uint64 (b));\n"
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" break;\n"
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" case G_TYPE_DOUBLE:\n"
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" {\n"
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" /* Avoid -Wfloat-equal warnings by doing a direct bit compare */\n"
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" gdouble da = g_value_get_double (a);\n"
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" gdouble db = g_value_get_double (b);\n"
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" ret = memcmp (&da, &db, sizeof (gdouble)) == 0;\n"
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" }\n"
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" break;\n"
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" case G_TYPE_STRING:\n"
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" ret = (g_strcmp0 (g_value_get_string (a), g_value_get_string (b)) == 0);\n"
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" break;\n"
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" case G_TYPE_VARIANT:\n"
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" ret = _g_variant_equal0 (g_value_get_variant (a), g_value_get_variant (b));\n"
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" break;\n"
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" default:\n"
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" if (G_VALUE_TYPE (a) == G_TYPE_STRV)\n"
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" ret = _g_strv_equal0 (g_value_get_boxed (a), g_value_get_boxed (b));\n"
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" else\n"
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' g_critical ("_g_value_equal() does not handle type %s", g_type_name (G_VALUE_TYPE (a)));\n'
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" break;\n"
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" }\n"
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" return ret;\n"
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"}",
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}
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result = Result(info, out, err, subs)
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print("Output:", result.out)
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return result
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def runCodegenWithInterface(self, interface_contents, *args):
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with tempfile.NamedTemporaryFile(
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dir=self.tmpdir.name, suffix=".xml", delete=False
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) as interface_file:
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# Write out the interface.
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interface_file.write(interface_contents.encode("utf-8"))
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print(interface_file.name + ":", interface_contents)
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interface_file.flush()
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return self.runCodegen(interface_file.name, *args)
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def test_help(self):
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"""Test the --help argument."""
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result = self.runCodegen("--help")
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self.assertIn("usage: gdbus-codegen", result.out)
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def test_no_args(self):
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"""Test running with no arguments at all."""
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with self.assertRaises(subprocess.CalledProcessError):
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self.runCodegen()
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def test_empty_interface_header(self):
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"""Test generating a header with an empty interface file."""
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result = self.runCodegenWithInterface("", "--output", "/dev/stdout", "--header")
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self.assertEqual("", result.err)
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self.assertEqual(
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"""{standard_top_comment}
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#ifndef __STDOUT__
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#define __STDOUT__
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#include <gio/gio.h>
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G_BEGIN_DECLS
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G_END_DECLS
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#endif /* __STDOUT__ */""".format(
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**result.subs
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),
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result.out.strip(),
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)
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def test_empty_interface_body(self):
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"""Test generating a body with an empty interface file."""
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result = self.runCodegenWithInterface("", "--output", "/dev/stdout", "--body")
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self.assertEqual("", result.err)
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self.assertEqual(
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"""{standard_top_comment}
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{standard_config_h_include}
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#include "stdout.h"
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{standard_header_includes}
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{standard_typedefs_and_helpers}""".format(
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**result.subs
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),
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result.out.strip(),
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)
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def test_reproducible(self):
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"""Test builds are reproducible regardless of file ordering."""
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xml_contents1 = """
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<node>
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<interface name="com.acme.Coyote">
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<method name="Run"/>
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<method name="Sleep"/>
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<method name="Attack"/>
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<signal name="Surprised"/>
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<property name="Mood" type="s" access="read"/>
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</interface>
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</node>
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"""
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xml_contents2 = """
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<node>
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<interface name="org.project.Bar.Frobnicator">
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<method name="RandomMethod"/>
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</interface>
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</node>
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"""
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with tempfile.NamedTemporaryFile(
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dir=self.tmpdir.name, suffix="1.xml", delete=False
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) as xml_file1, tempfile.NamedTemporaryFile(
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dir=self.tmpdir.name, suffix="2.xml", delete=False
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) as xml_file2:
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# Write out the interfaces.
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xml_file1.write(xml_contents1.encode("utf-8"))
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xml_file2.write(xml_contents2.encode("utf-8"))
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xml_file1.flush()
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xml_file2.flush()
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# Repeat this for headers and bodies.
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for header_or_body in ["--header", "--body"]:
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# Run gdbus-codegen with the interfaces in one order, and then
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# again in another order.
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result1 = self.runCodegen(
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xml_file1.name,
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xml_file2.name,
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"--output",
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"/dev/stdout",
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header_or_body,
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)
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self.assertEqual("", result1.err)
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result2 = self.runCodegen(
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xml_file2.name,
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xml_file1.name,
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"--output",
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"/dev/stdout",
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header_or_body,
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)
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self.assertEqual("", result2.err)
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# The output should be the same.
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self.assertEqual(result1.out, result2.out)
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def test_generate_docbook(self):
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"""Test the basic functionality of the docbook generator."""
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xml_contents = """
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<node>
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<interface name="org.project.Bar.Frobnicator">
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<method name="RandomMethod"/>
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</interface>
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</node>
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"""
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res = self.runCodegenWithInterface(
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xml_contents,
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"--generate-docbook",
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"test",
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)
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self.assertEqual("", res.err)
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self.assertEqual("", res.out)
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with open("test-org.project.Bar.Frobnicator.xml", "r") as f:
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xml_data = f.readlines()
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self.assertTrue(len(xml_data) != 0)
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def test_generate_rst(self):
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"""Test the basic functionality of the rst generator."""
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xml_contents = """
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<node>
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<interface name="org.project.Bar.Frobnicator">
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<method name="RandomMethod"/>
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</interface>
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</node>
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"""
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res = self.runCodegenWithInterface(
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xml_contents,
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"--generate-rst",
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"test",
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)
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self.assertEqual("", res.err)
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self.assertEqual("", res.out)
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with open("test-org.project.Bar.Frobnicator.rst", "r") as f:
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rst = f.readlines()
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self.assertTrue(len(rst) != 0)
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def test_glib_min_required_invalid(self):
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"""Test running with an invalid --glib-min-required."""
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with self.assertRaises(subprocess.CalledProcessError):
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self.runCodegenWithInterface(
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"",
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"--output",
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"/dev/stdout",
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"--body",
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"--glib-min-required",
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"hello mum",
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)
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def test_glib_min_required_too_low(self):
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"""Test running with a --glib-min-required which is too low (and hence
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probably a typo)."""
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with self.assertRaises(subprocess.CalledProcessError):
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self.runCodegenWithInterface(
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"", "--output", "/dev/stdout", "--body", "--glib-min-required", "2.6"
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)
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def test_glib_min_required_major_only(self):
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"""Test running with a --glib-min-required which contains only a major version."""
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result = self.runCodegenWithInterface(
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"",
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"--output",
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"/dev/stdout",
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"--header",
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"--glib-min-required",
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"3",
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"--glib-max-allowed",
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"3.2",
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)
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self.assertEqual("", result.err)
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self.assertNotEqual("", result.out.strip())
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def test_glib_min_required_with_micro(self):
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"""Test running with a --glib-min-required which contains a micro version."""
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result = self.runCodegenWithInterface(
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"", "--output", "/dev/stdout", "--header", "--glib-min-required", "2.46.2"
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)
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self.assertEqual("", result.err)
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self.assertNotEqual("", result.out.strip())
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def test_glib_max_allowed_too_low(self):
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"""Test running with a --glib-max-allowed which is too low (and hence
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probably a typo)."""
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with self.assertRaises(subprocess.CalledProcessError):
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self.runCodegenWithInterface(
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"", "--output", "/dev/stdout", "--body", "--glib-max-allowed", "2.6"
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)
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def test_glib_max_allowed_major_only(self):
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"""Test running with a --glib-max-allowed which contains only a major version."""
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result = self.runCodegenWithInterface(
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"", "--output", "/dev/stdout", "--header", "--glib-max-allowed", "3"
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)
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self.assertEqual("", result.err)
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self.assertNotEqual("", result.out.strip())
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def test_glib_max_allowed_with_micro(self):
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"""Test running with a --glib-max-allowed which contains a micro version."""
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result = self.runCodegenWithInterface(
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"", "--output", "/dev/stdout", "--header", "--glib-max-allowed", "2.46.2"
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)
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self.assertEqual("", result.err)
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self.assertNotEqual("", result.out.strip())
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def test_glib_max_allowed_unstable(self):
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"""Test running with a --glib-max-allowed which is unstable. It should
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be rounded up to the next stable version number, and hence should not
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end up less than --glib-min-required."""
|
|
result = self.runCodegenWithInterface(
|
|
"",
|
|
"--output",
|
|
"/dev/stdout",
|
|
"--header",
|
|
"--glib-max-allowed",
|
|
"2.63",
|
|
"--glib-min-required",
|
|
"2.64",
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertNotEqual("", result.out.strip())
|
|
|
|
def test_glib_max_allowed_less_than_min_required(self):
|
|
"""Test running with a --glib-max-allowed which is less than
|
|
--glib-min-required."""
|
|
with self.assertRaises(subprocess.CalledProcessError):
|
|
self.runCodegenWithInterface(
|
|
"",
|
|
"--output",
|
|
"/dev/stdout",
|
|
"--body",
|
|
"--glib-max-allowed",
|
|
"2.62",
|
|
"--glib-min-required",
|
|
"2.64",
|
|
)
|
|
|
|
def test_unix_fd_types_and_annotations(self):
|
|
"""Test an interface with `h` arguments, no annotation, and GLib < 2.64.
|
|
|
|
See issue #1726.
|
|
"""
|
|
interface_xml = """
|
|
<node>
|
|
<interface name="FDPassing">
|
|
<method name="HelloFD">
|
|
<annotation name="org.gtk.GDBus.C.UnixFD" value="1"/>
|
|
<arg name="greeting" direction="in" type="s"/>
|
|
<arg name="response" direction="out" type="s"/>
|
|
</method>
|
|
<method name="NoAnnotation">
|
|
<arg name="greeting" direction="in" type="h"/>
|
|
<arg name="greeting_locale" direction="in" type="s"/>
|
|
<arg name="response" direction="out" type="h"/>
|
|
<arg name="response_locale" direction="out" type="s"/>
|
|
</method>
|
|
<method name="NoAnnotationNested">
|
|
<arg name="files" type="a{sh}" direction="in"/>
|
|
</method>
|
|
</interface>
|
|
</node>"""
|
|
|
|
# Try without specifying --glib-min-required.
|
|
result = self.runCodegenWithInterface(
|
|
interface_xml, "--output", "/dev/stdout", "--header"
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertEqual(result.out.strip().count("GUnixFDList"), 6)
|
|
|
|
# Specify an old --glib-min-required.
|
|
result = self.runCodegenWithInterface(
|
|
interface_xml,
|
|
"--output",
|
|
"/dev/stdout",
|
|
"--header",
|
|
"--glib-min-required",
|
|
"2.32",
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertEqual(result.out.strip().count("GUnixFDList"), 6)
|
|
|
|
# Specify a --glib-min-required ≥ 2.64. There should be more
|
|
# mentions of `GUnixFDList` now, since the annotation is not needed to
|
|
# trigger its use.
|
|
result = self.runCodegenWithInterface(
|
|
interface_xml,
|
|
"--output",
|
|
"/dev/stdout",
|
|
"--header",
|
|
"--glib-min-required",
|
|
"2.64",
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertEqual(result.out.strip().count("GUnixFDList"), 18)
|
|
|
|
def test_call_flags_and_timeout_method_args(self):
|
|
"""Test that generated method call functions have @call_flags and
|
|
@timeout_msec args if and only if GLib >= 2.64.
|
|
"""
|
|
interface_xml = """
|
|
<node>
|
|
<interface name="org.project.UsefulInterface">
|
|
<method name="UsefulMethod"/>
|
|
</interface>
|
|
</node>"""
|
|
|
|
# Try without specifying --glib-min-required.
|
|
result = self.runCodegenWithInterface(
|
|
interface_xml, "--output", "/dev/stdout", "--header"
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertEqual(result.out.strip().count("GDBusCallFlags call_flags,"), 0)
|
|
self.assertEqual(result.out.strip().count("gint timeout_msec,"), 0)
|
|
|
|
# Specify an old --glib-min-required.
|
|
result = self.runCodegenWithInterface(
|
|
interface_xml,
|
|
"--output",
|
|
"/dev/stdout",
|
|
"--header",
|
|
"--glib-min-required",
|
|
"2.32",
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertEqual(result.out.strip().count("GDBusCallFlags call_flags,"), 0)
|
|
self.assertEqual(result.out.strip().count("gint timeout_msec,"), 0)
|
|
|
|
# Specify a --glib-min-required ≥ 2.64. The two arguments should be
|
|
# present for both the async and sync method call functions.
|
|
result = self.runCodegenWithInterface(
|
|
interface_xml,
|
|
"--output",
|
|
"/dev/stdout",
|
|
"--header",
|
|
"--glib-min-required",
|
|
"2.64",
|
|
)
|
|
self.assertEqual("", result.err)
|
|
self.assertEqual(result.out.strip().count("GDBusCallFlags call_flags,"), 2)
|
|
self.assertEqual(result.out.strip().count("gint timeout_msec,"), 2)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main(testRunner=taptestrunner.TAPTestRunner())
|