[gnome-continuous-yocto/gnomeostree-3.28-rocko: 7586/8267] bitbake: tests/fetch: handle network failures gracefully

[Emmanuele Bassi <ebassi src gnome org>]

commit 96f258ba12d3184a631e846c73a23d131ebc6e7e
Author: Ross Burton <ross burton intel com>
Date:   Thu Sep 7 10:24:25 2017 +0100

    bitbake: tests/fetch: handle network failures gracefully
    
    If there is a network failure the return value from latest_versionstring() is
    ('','') which later causes an exception when comparing versions.
    
    Improve this by checking the return value and failing the test early.
    
    [ YOCTO #12053 ]
    
    (Bitbake rev: 3f034d2172bf64ecc43577b43e0cf032a54b1358)
    
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 bitbake/lib/bb/tests/fetch.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/bitbake/lib/bb/tests/fetch.py b/bitbake/lib/bb/tests/fetch.py
index faa5c74..209b13f 100644
--- a/bitbake/lib/bb/tests/fetch.py
+++ b/bitbake/lib/bb/tests/fetch.py
@@ -793,6 +793,7 @@ class FetchLatestVersionTest(FetcherTest):
                 ud = bb.fetch2.FetchData(k[1], self.d)
                 pupver= ud.method.latest_versionstring(ud, self.d)
                 verstring = pupver[0]
+                self.assertTrue(verstring, msg="Could not find upstream version")
                 r = bb.utils.vercmp_string(v, verstring)
                 self.assertTrue(r == -1 or r == 0, msg="Package %s, version: %s <= %s" % (k[0], v, 
verstring))
 
@@ -804,6 +805,7 @@ class FetchLatestVersionTest(FetcherTest):
                 ud = bb.fetch2.FetchData(k[1], self.d)
                 pupver = ud.method.latest_versionstring(ud, self.d)
                 verstring = pupver[0]
+                self.assertTrue(verstring, msg="Could not find upstream version")
                 r = bb.utils.vercmp_string(v, verstring)
                 self.assertTrue(r == -1 or r == 0, msg="Package %s, version: %s <= %s" % (k[0], v, 
verstring))