[gnome-battery-bench] integration-test: test syfs attr with newline only

[Christian Kellner <gicmo src gnome org>]

commit 62f90d70498f1d657a916b4b6a90d3c072e3effc
Author: Christian Kellner <gicmo gnome org>
Date:   Thu May 11 14:47:07 2017 +0200

    integration-test: test syfs attr with newline only

 src/integration-test |   24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)
---
diff --git a/src/integration-test b/src/integration-test
index 715007c..b50b4b8 100755
--- a/src/integration-test
+++ b/src/integration-test
@@ -165,13 +165,14 @@ class Tests(unittest.TestCase):
         return LogReader(self.logfile.name)
 
     def add_std_platform(self):
-        self.testbed.add_device('dmi', 'virtual/dmi/id', None,
-                                ['sys_vendor', 'GNOME.org',
-                                 'product_name', 'hal',
-                                 'product_version', '9000',
-                                 'bios_vendor', 'bios.GNOME.org',
-                                 'bios_version', '9k',
-                                 'bios_date', '01/23/1997'], [])
+        dev = self.testbed.add_device('dmi', 'virtual/dmi/id', None,
+                                      ['sys_vendor', 'GNOME.org',
+                                       'product_name', 'hal',
+                                       'product_version', '9000',
+                                       'bios_vendor', 'bios.GNOME.org',
+                                       'bios_version', '9k',
+                                       'bios_date', '01/23/1997'], [])
+        return dev
 
     def add_std_power_supply(self, vendor='GNOME.org', model='B1'):
         ac = self.testbed.add_device('power_supply', 'AC', None,
@@ -211,7 +212,7 @@ class Tests(unittest.TestCase):
         vendor = 'GNOME.org'
         model = 'B1'
 
-        self.add_std_platform()
+        plt = self.add_std_platform()
         self.add_std_power_supply(vendor=vendor, model=model)
 
         log = self.gbb("info", ["--json"])
@@ -233,6 +234,13 @@ class Tests(unittest.TestCase):
         self.assertEqual(bats[0]['vendor'], vendor)
         self.assertEqual(bats[0]['model'], model)
 
+        self.testbed.set_attribute(plt, 'product_version', '\n')
+        log = self.gbb("info", ["--json"])
+        out = json.loads(log)
+        self.assertTrue('hardware' in out)
+        hw = out['hardware']
+        self.assertNotIn('version', hw)
+
     def test_basic_monitor(self):
         ac, b0 = self.add_std_power_supply()