[OE-core] [PATCH] oeqa/selftest/sstatetests: Add test that MACHINE doesn't change target sigs

[Martin Jansa]

On Wed, Sep 30, 2015 at 02:49:23PM +0100, Richard Purdie wrote:
> When we change between two machines with the same tune, we shouldn't see 
> rebuilds of binaries. This adds a test for this using the qemux86copy 
> machine. We also extend the test to cover multilibs.

2nd level of this test is to verify that all allarch recipes have the
same signatures even for 2 MACHINEs with different tunes.

Thanks for looking into this.

> Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
> 
> diff --git a/meta/lib/oeqa/selftest/sstatetests.py b/meta/lib/oeqa/selftest/sstatetests.py
> index 1940e66..af68e02 100644
> --- a/meta/lib/oeqa/selftest/sstatetests.py
> +++ b/meta/lib/oeqa/selftest/sstatetests.py
> @@ -329,4 +329,49 @@ MACHINE = \"qemuarm\"
>          files2 = [x.replace("tmp-sstatesamehash2", "tmp-sstatesamehash") for x in files2]
>          self.maxDiff = None
>          self.assertItemsEqual(files1, files2)
> -        
> +
> +    def test_sstate_sametune_samesigs(self):
> +        """
> +        The sstate checksums of two identical machines (using the same tune) should be the 
> +        same, apart from changes within the machine specific stamps directory. We use the
> +        qemux86copy machine to test this. Also include multilibs in the test.
> +        """
> +
> +        topdir = get_bb_var('TOPDIR')
> +        targetos = get_bb_var('TARGET_OS')
> +        targetvendor = get_bb_var('TARGET_VENDOR')
> +        self.write_config("""
> +TMPDIR = \"${TOPDIR}/tmp-sstatesamehash\"
> +MACHINE = \"qemux86\"
> +require conf/multilib.conf
> +MULTILIBS = "multilib:lib32"
> +DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
> +""")
> +        self.track_for_cleanup(topdir + "/tmp-sstatesamehash")
> +        bitbake("world meta-toolchain -S none")
> +        self.write_config("""
> +TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
> +MACHINE = \"qemux86copy\"
> +require conf/multilib.conf
> +MULTILIBS = "multilib:lib32"
> +DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
> +""")
> +        self.track_for_cleanup(topdir + "/tmp-sstatesamehash2")
> +        bitbake("world meta-toolchain -S none")
> +
> +        def get_files(d):
> +            f = []
> +            for root, dirs, files in os.walk(d):
> +                for name in files:
> +                    if "meta-environment" in root or "cross-canadian" in root:
> +                        continue
> +                    if "qemux86copy-" in root or "qemux86-" in root:
> +                        continue
> +                    if "do_build" not in name and "do_populate_sdk" not in name:
> +                        f.append(os.path.join(root, name))
> +            return f
> +        files1 = get_files(topdir + "/tmp-sstatesamehash/stamps")
> +        files2 = get_files(topdir + "/tmp-sstatesamehash2/stamps")
> +        files2 = [x.replace("tmp-sstatesamehash2", "tmp-sstatesamehash") for x in files2]
> +        self.maxDiff = None
> +        self.assertItemsEqual(files1, files2)
> 
> 
> -- 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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