runtime: add tests for new decorators in hier_block2

author: Sebastian Koslowski <koslowski@kit.edu> 2014-12-11 17:42:03 +0100
committer: Sebastian Koslowski <koslowski@kit.edu> 2014-12-12 14:53:05 +0100
commit: 0356a8df991f04922c4e112a5ce16155221127c1 (patch)
tree: 9c14cdb26ae63fc1800583dd3add17991dff926b /gnuradio-runtime
parent: 94a93636ea33685a22e673934006f96cff0c29aa (diff)
3 files changed, 151 insertions, 52 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gr/hier_block2.py b/gnuradio-runtime/python/gnuradio/gr/hier_block2.py
index 602e5f7bf4..3bc1e2e111 100644
--- a/gnuradio-runtime/python/gnuradio/gr/hier_block2.py
+++ b/gnuradio-runtime/python/gnuradio/gr/hier_block2.py
@@ -1,46 +1,51 @@
-"""
-Copyright 2006, 2007, 2014 Free Software Foundation, Inc.
-This file is part of GNU Radio
-
-GNU Radio Companion 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; either version 2
-of the License, or (at your option) any later version.
-
-GNU Radio Companion 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
-"""
+#
+# Copyright 2006,2007,2014 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
 
 from functools import wraps
+from itertools import imap
 
 from runtime_swig import hier_block2_swig, dot_graph
 import pmt
 
 
 def _multiple_endpoints(func):
-    def coerce_endpoint(endp, default_port=0):
-        if hasattr(endp, 'to_basic_block'):
-            return endp.to_basic_block(), default_port
-        try:
-            block, port = endp
-            return block.to_basic_block(), port
-        except ValueError:
-            raise ValueError("unable to coerce endpoint")
     @wraps(func)
     def wrapped(self, *points):
         if not points:
-            raise ValueError("At least one endpoint required for " + func.__name__)
+            raise ValueError("At least one block required for " + func.__name__)
         elif len(points) == 1:
-            func(points[0].to_basic_block())
+            try:
+                block = points[0].to_basic_block()
+            except AttributeError:
+                raise ValueError("At least two endpoints required for " + func.__name__)
+            func(self, block)
         else:
-            for src, dst in map(lambda i: points[i:i + 2], range(len(points) - 1)):
-                func(self, *(coerce_endpoint(src) + coerce_endpoint(dst)))
+            try:
+                endp = [(p, 0) if hasattr(p, 'to_basic_block') else p for p in points]
+                endp_pairs = imap(lambda i: endp[i:i+2], range(len(endp)-1))
+                for (src, src_port), (dst, dst_port) in endp_pairs:
+                    func(self, src.to_basic_block(), src_port,
+                         dst.to_basic_block(), dst_port)
+            except (ValueError, TypeError):
+                raise ValueError("Unable to coerce endpoint")
     return wrapped
 
 
@@ -48,10 +53,11 @@ def _optional_endpoints(func):
     @wraps(func)
     def wrapped(self, src, srcport, dst=None, dstport=None):
         if dst is None and dstport is None:
-            (src, srcport), (dst, dstport) = src, srcport
-        return func(self,
-                    src.to_basic_block(), srcport,
-                    dst.to_basic_block(), dstport)
+            try:
+                (src, srcport), (dst, dstport) = src, srcport
+            except (ValueError, TypeError):
+                raise ValueError("Unable to coerce endpoint")
+        func(self, src.to_basic_block(), srcport, dst.to_basic_block(), dstport)
     return wrapped
 
 
diff --git a/gnuradio-runtime/python/gnuradio/gr/qa_hier_block2.py b/gnuradio-runtime/python/gnuradio/gr/qa_hier_block2.py
new file mode 100644
index 0000000000..50b1562f3a
--- /dev/null
+++ b/gnuradio-runtime/python/gnuradio/gr/qa_hier_block2.py
@@ -0,0 +1,91 @@
+#
+# Copyright 2014 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr_unittest
+from gnuradio.gr.hier_block2 import _multiple_endpoints, _optional_endpoints
+
+
+class test_hier_block2(gr_unittest.TestCase):
+
+    def setUp(self):
+        self.call_log = []
+        self.Block = type("Block", (), {"to_basic_block": lambda bl: bl})
+
+    def test_f(self, *args):
+        """test doc"""
+        self.call_log.append(args)
+
+    multi = _multiple_endpoints(test_f)
+    opt = _optional_endpoints(test_f)
+
+    def test_000(self):
+        self.assertEqual(self.multi.__doc__, "test doc")
+        self.assertEqual(self.multi.__name__, "test_f")
+
+    def test_001(self):
+        b = self.Block()
+        self.multi(b)
+        self.assertEqual((b,), self.call_log[0])
+
+    def test_002(self):
+        b1, b2 = self.Block(), self.Block()
+        self.multi(b1, b2)
+        self.assertEqual([(b1, 0, b2, 0)], self.call_log)
+
+    def test_003(self):
+        b1, b2 = self.Block(), self.Block()
+        self.multi((b1, 1), (b2, 2))
+        self.assertEqual([(b1, 1, b2, 2)], self.call_log)
+
+    def test_004(self):
+        b1, b2, b3, b4 = [self.Block()] * 4
+        self.multi(b1, (b2, 5), b3, (b4, 0))
+        expected = [
+            (b1, 0, b2, 5),
+            (b2, 5, b3, 0),
+            (b3, 0, b4, 0),
+        ]
+        self.assertEqual(expected, self.call_log)
+
+    def test_005(self):
+        with self.assertRaises(ValueError) as c:
+            self.multi((self.Block(), 5))
+        self.assertIsInstance(c.exception, ValueError)
+
+    def test_006(self):
+        with self.assertRaises(ValueError) as c:
+            self.multi(self.Block(), (self.Block(), 5, 5))
+        self.assertIsInstance(c.exception, ValueError)
+
+    def test_007(self):
+        b1, b2 = self.Block(), self.Block()
+        self.opt(b1, "in", b2, "out")
+        self.assertEqual([(b1, "in", b2, "out")], self.call_log)
+
+    def test_008(self):
+        f, b1, b2 = self.multi, self.Block(), self.Block()
+        self.opt((b1, "in"), (b2, "out"))
+        self.assertEqual([(b1, "in", b2, "out")], self.call_log)
+
+
+if __name__ == '__main__':
+    gr_unittest.run(test_hier_block2, "test_hier_block2.xml")
+
diff --git a/gnuradio-runtime/python/gnuradio/gr/top_block.py b/gnuradio-runtime/python/gnuradio/gr/top_block.py
index 8d810652aa..f9872fc114 100644
--- a/gnuradio-runtime/python/gnuradio/gr/top_block.py
+++ b/gnuradio-runtime/python/gnuradio/gr/top_block.py
@@ -1,21 +1,23 @@
-"""
-Copyright 2007, 2014 Free Software Foundation, Inc.
-This file is part of GNU Radio
-
-GNU Radio Companion 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; either version 2
-of the License, or (at your option) any later version.
-
-GNU Radio Companion 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
-"""
+#
+# Copyright 2007,2014 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
 
 from runtime_swig import top_block_swig, \
     top_block_wait_unlocked, top_block_run_unlocked, \
author	Sebastian Koslowski <koslowski@kit.edu>	2014-12-11 17:42:03 +0100
committer	Sebastian Koslowski <koslowski@kit.edu>	2014-12-12 14:53:05 +0100
commit	0356a8df991f04922c4e112a5ce16155221127c1 (patch)
tree	9c14cdb26ae63fc1800583dd3add17991dff926b /gnuradio-runtime
parent	94a93636ea33685a22e673934006f96cff0c29aa (diff)