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authorJeff Long <willcode4@gmail.com>2018-01-16 18:19:05 -0500
committerMartin Braun <martin.braun@ettus.com>2018-02-08 16:01:08 -0800
commit6ae02d1d6d04a5f529ab3fea496c589f8d14229d (patch)
tree3491ab847228dc2bb7c315c7b421eeb1423533c5 /gr-blocks/python/blocks/qa_file_sink.py
parent2270a41d12ee028905302233d8178568d6da6daa (diff)
file_source: add optional offset (in items) and len (in items)
- Adds unit tests, and splits existing unit tests into different files: qa_file_source.py - tests file_source_f qa_file_sink.py - tests file_sink_f qa_file_descriptor_source_sink.py - tests file_descriptor_*_f
Diffstat (limited to 'gr-blocks/python/blocks/qa_file_sink.py')
-rw-r--r--gr-blocks/python/blocks/qa_file_sink.py60
1 files changed, 60 insertions, 0 deletions
diff --git a/gr-blocks/python/blocks/qa_file_sink.py b/gr-blocks/python/blocks/qa_file_sink.py
new file mode 100644
index 0000000000..a7296183ef
--- /dev/null
+++ b/gr-blocks/python/blocks/qa_file_sink.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+#
+# Copyright 2018 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, gr_unittest, blocks
+import os
+import tempfile
+import pmt
+import array
+
+class test_file_sink(gr_unittest.TestCase):
+
+ def setUp (self):
+ os.environ['GR_CONF_CONTROLPORT_ON'] = 'False'
+ self.tb = gr.top_block ()
+
+ def tearDown (self):
+ self.tb = None
+
+ def test_file_sink(self):
+ data = range(1000)
+ expected_result = data
+
+ with tempfile.NamedTemporaryFile() as temp:
+ src = blocks.vector_source_f(data)
+ snk = blocks.file_sink(gr.sizeof_float, temp.name)
+ snk.set_unbuffered(True)
+ self.tb.connect(src, snk)
+ self.tb.run()
+
+ # Check file length (float: 4 * nsamples)
+ st = os.stat(temp.name)
+ self.assertEqual(st.st_size, 4 * len(data))
+
+ # Check file contents
+ datafile = open(temp.name, 'r')
+ result_data = array.array('f')
+ result_data.fromfile(datafile, len(data))
+ self.assertFloatTuplesAlmostEqual(expected_result, result_data)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_file_sink, "test_file_sink.xml")