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List:       openembedded-core
Subject:    Re: [OE-core] [PATCH 2/2] oe-selftest: Add bitbake-layer create-layer test
From:       Richard Purdie <richard.purdie () linuxfoundation ! org>
Date:       2018-06-28 21:54:58
Message-ID: 26ebd00a74dd86c7e35fa67ae5ccfae8dec14a38.camel () linuxfoundation ! org
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On Thu, 2018-06-28 at 12:53 -0500, Joshua Watt wrote:
> Adds a test that creates a layer, adds it to bblayers.conf, then ensure
> that it appears properly in bitbake-layers show-layers.
> 
> Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
> ---
> meta/lib/oeqa/selftest/cases/bblayers.py | 26 +++++++++++++++++++++++-
> 1 file changed, 25 insertions(+), 1 deletion(-)
> 
> diff --git a/meta/lib/oeqa/selftest/cases/bblayers.py \
> b/meta/lib/oeqa/selftest/cases/bblayers.py index 90a2249b081..fba7fbb9b0f 100644
> --- a/meta/lib/oeqa/selftest/cases/bblayers.py
> +++ b/meta/lib/oeqa/selftest/cases/bblayers.py
> @@ -2,7 +2,7 @@ import os
> import re
> 
> import oeqa.utils.ftools as ftools
> -from oeqa.utils.commands import runCmd, get_bb_var
> +from oeqa.utils.commands import runCmd, get_bb_var, get_bb_vars
> 
> from oeqa.selftest.case import OESelftestTestCase
> from oeqa.core.decorator.oeid import OETestID
> @@ -85,6 +85,30 @@ class BitbakeLayers(OESelftestTestCase):
> self.assertNotEqual(result.status, 0, 'bitbake-layers show-recipes -i \
> nonexistentclass should have failed') self.assertIn('ERROR:', result.output)
> 
> +    def test_bitbakelayers_createlayer(self):
> +        priority = 10
> +        layername = 'test-bitbakelayer-layercreate'
> +        layerpath = os.path.join(get_bb_var('COREBASE'), layername)
> +        self.assertFalse(os.path.exists(layerpath), '%s should not exist at this \
> point in time' % layerpath) +        result = runCmd('bitbake-layers create-layer \
> --priority=%d %s' % (priority, layerpath)) +        \
> self.track_for_cleanup(layerpath) +        result = runCmd('bitbake-layers \
> add-layer %s' % layerpath) +        result = runCmd('bitbake-layers show-layers')
> +        find_in_contents = re.search(re.escape(layername) + r'\s+' + \
> re.escape(layerpath) + r'\s+' + re.escape(str(priority)), result.output) +        \
> self.assertTrue(find_in_contents, "%s not found in layers" % layername)

This looks good and top marks for adding unit tests!

One tip learnt from experience is that assertTrue can be problematic
because when it fails, the debug output it gives is useless as it says
it wasn't True. In this case, you need to put result.output into the
msg so that we'd have some chance of debugging it from the failure
message.

> +
> +        layervars = ['BBFILE_PRIORITY', 'BBFILE_PATTERN', 'LAYERDEPENDS', \
> 'LAYERSERIES_COMPAT'] +        bb_vars = get_bb_vars(['BBFILE_COLLECTIONS'] + \
> ['%s_%s' % (v, layername) for v in layervars]) +
> +        for v in layervars:
> +            varname = '%s_%s' % (v, layername)
> +            self.assertTrue(bb_vars[varname], "%s not found" % varname)

self.assertIsNotNone() ?

Cheers,

Richard


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