Merge branch 'gobject-query' into 'main'

gobject-query: Minor cleanups and add unit tests

See merge request GNOME/glib!2739

gobject/gobject-query.c

@@ -32,21 +32,12 @@ static FILE *f_out = NULL;
 static GType root = 0;
 static gboolean recursion = TRUE;
 
-#if 0
-#  define	O_SPACE	"\\as"
-#  define	O_ESPACE " "
-#  define	O_BRANCH "\\aE"
-#  define	O_VLINE "\\al"
-#  define	O_LLEAF	"\\aL"
-#  define	O_KEY_FILL "_"
-#else
-#  define	O_SPACE	" "
-#  define	O_ESPACE ""
-#  define	O_BRANCH "+"
-#  define	O_VLINE "|"
-#  define	O_LLEAF	"`"
-#  define	O_KEY_FILL "_"
-#endif
+#define	O_SPACE	" "
+#define	O_ESPACE ""
+#define	O_BRANCH "├"
+#define	O_VLINE "│"
+#define	O_LLEAF	"└"
+#define	O_KEY_FILL "_"
 
 static void
 show_nodes (GType        type,
@@ -61,10 +52,6 @@ show_nodes (GType        type,
   
   children = g_type_children (type, NULL);
   
-  if (type != root)
-    for (i = 0; i < spacing; i++)
-      g_fprintf (f_out, "%s%s\n", indent, O_VLINE);
-  
   g_fprintf (f_out, "%s%s%s%s",
 	   indent,
 	   sibling ? O_BRANCH : (type != root ? O_LLEAF : O_SPACE),
@@ -96,18 +83,18 @@ show_nodes (GType        type,
 }
 
 static gint
-help (gchar *arg)
+help (const gchar *arg)
 {
-  g_fprintf (stderr, "usage: gobject-query <qualifier> [-r <type>] [-{i|b} \"\"] [-s #] [-{h|x|y}]\n");
-  g_fprintf (stderr, "       -r       specify root type\n");
-  g_fprintf (stderr, "       -n       don't descend type tree\n");
-  g_fprintf (stderr, "       -h       guess what ;)\n");
-  g_fprintf (stderr, "       -b       specify indent string\n");
-  g_fprintf (stderr, "       -i       specify incremental indent string\n");
-  g_fprintf (stderr, "       -s       specify line spacing\n");
-  g_fprintf (stderr, "qualifiers:\n");
-  g_fprintf (stderr, "       froots   iterate over fundamental roots\n");
-  g_fprintf (stderr, "       tree     print type tree\n");
+  g_fprintf (stdout, "usage: gobject-query <qualifier> [-r <type>] [-{i|b} \"\"] [-s #] [-{h|x|y}]\n");
+  g_fprintf (stdout, "       -r       specify root type\n");
+  g_fprintf (stdout, "       -n       don't descend type tree\n");
+  g_fprintf (stdout, "       -h       show help\n");
+  g_fprintf (stdout, "       -b       specify indent string\n");
+  g_fprintf (stdout, "       -i       specify incremental indent string\n");
+  g_fprintf (stdout, "       -s       specify line spacing\n");
+  g_fprintf (stdout, "qualifiers:\n");
+  g_fprintf (stdout, "       froots   iterate over fundamental roots\n");
+  g_fprintf (stdout, "       tree     print type tree\n");
   
   return arg != NULL;
 }
@@ -183,11 +170,13 @@ main (gint   argc,
 	{
 	  gen_tree = 1;
 	}
-      else if (strcmp ("-h", argv[i]) == 0)
-	{
-	  return help (NULL);
-	}
-      else if (strcmp ("--help", argv[i]) == 0)
+      else if (strcmp ("--version", argv[i]) == 0)
+        {
+          g_print (PACKAGE_VERSION "\n");
+          return 0;
+        }
+      else if (strcmp ("-h", argv[i]) == 0 ||
+               strcmp ("--help", argv[i]) == 0)
 	{
 	  return help (NULL);
 	}
@@ -213,9 +202,13 @@ main (gint   argc,
       for (i = 0; i <= G_TYPE_FUNDAMENTAL_MAX; i += G_TYPE_MAKE_FUNDAMENTAL (1))
 	{
 	  const gchar *name = g_type_name (i);
+          GType sibling = i + G_TYPE_MAKE_FUNDAMENTAL (1);
+
+          if (sibling > G_TYPE_FUNDAMENTAL_MAX || g_type_name (sibling) == NULL)
+            sibling = 0;
 	  
 	  if (name)
-	    show_nodes (i, 0, iindent);
+	    show_nodes (i, sibling, iindent);
 	}
     }
   

gobject/tests/gobject-query.py

@@ -0,0 +1,117 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+#
+# Copyright © 2022 Endless OS Foundation, LLC
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301  USA
+
+"""Integration tests for gobject-query utility."""
+
+import collections
+import os
+import shutil
+import subprocess
+import sys
+from textwrap import dedent
+import unittest
+
+import taptestrunner
+
+
+Result = collections.namedtuple("Result", ("info", "out", "err"))
+
+
+class TestGobjectQuery(unittest.TestCase):
+    """Integration test for running gobject-query.
+
+    This can be run when installed or uninstalled. When uninstalled, it
+    requires G_TEST_BUILDDIR and G_TEST_SRCDIR to be set.
+
+    The idea with this test harness is to test the gobject-query utility, its
+    handling of command line arguments, and its exit statuses.
+    """
+
+    def setUp(self):
+        self.timeout_seconds = 10  # seconds per test
+        if "G_TEST_BUILDDIR" in os.environ:
+            self.__gobject_query = os.path.join(
+                os.environ["G_TEST_BUILDDIR"], "..", "gobject-query"
+            )
+        else:
+            self.__gobject_query = shutil.which("gobject-query")
+        print("gobject-query:", self.__gobject_query)
+
+    def runGobjectQuery(self, *args):
+        argv = [self.__gobject_query]
+
+        # shebang lines are not supported on native
+        # Windows consoles
+        if os.name == "nt":
+            argv.insert(0, sys.executable)
+
+        argv.extend(args)
+        print("Running:", argv)
+
+        env = os.environ.copy()
+        env["LC_ALL"] = "C.UTF-8"
+        print("Environment:", env)
+
+        # We want to ensure consistent line endings...
+        info = subprocess.run(
+            argv,
+            timeout=self.timeout_seconds,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            env=env,
+            universal_newlines=True,
+        )
+        info.check_returncode()
+        out = info.stdout.strip()
+        err = info.stderr.strip()
+
+        result = Result(info, out, err)
+
+        print("Output:", result.out)
+        return result
+
+    def test_help(self):
+        """Test the --help argument."""
+        result = self.runGobjectQuery("--help")
+        self.assertIn("usage: gobject-query", result.out)
+
+    def test_version(self):
+        """Test the --version argument."""
+        result = self.runGobjectQuery("--version")
+        self.assertIn("2.", result.out)
+
+    def test_froots(self):
+        """Test running froots with no other arguments."""
+        result = self.runGobjectQuery("froots")
+
+        self.assertEqual("", result.err)
+        self.assertIn("├gboolean", result.out)
+        self.assertIn("├GObject", result.out)
+
+    def test_tree(self):
+        """Test running tree with no other arguments."""
+        result = self.runGobjectQuery("tree")
+
+        self.assertEqual("", result.err)
+        self.assertIn("GObject", result.out)
+
+
+if __name__ == "__main__":
+    unittest.main(testRunner=taptestrunner.TAPTestRunner())

gobject/tests/meson.build

@@ -104,6 +104,7 @@ endif
 
 python_tests = [
   'genmarshal.py',
+  'gobject-query.py',
   'mkenums.py',
 ]