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Allow running qemu spread tests offline #166
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This patch allows spread tests to work offline. It requires some explicit setup that is described in spread-tests/offline-content/README The main motivator for this change is that it makes the testing cycle work while on the plane/bus/train or where connectivity is limited or unreliable. Even with reliable conncetion it can cut test time significantly. On my relatively slow machine a full spread run for xenial can now run in roughly 9 minutes. As a comparison, the same tests ran on linode for nearly 11 minutes. I don't have hard numbers for online tests on my machine (offline also makes some expensive operations cached) but the initial time was closer to 20 minutes. As a secondary factor testing is now a little bit more reproducible and repatable. Spread makes ordering non-deterministic but at least package building and snap revisions are fixed. Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
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This patch allows spread tests to work offline. It requires some
explicit setup that is described in spread-tests/offline-content/README
The main motivator for this change is that it makes the testing cycle
work while on the plane/bus/train or where connectivity is limited or
unreliable. Even with reliable conncetion it can cut test time
significantly. On my relatively slow machine a full spread run for
xenial can now run in roughly 9 minutes. As a comparison, the same tests
ran on linode for nearly 11 minutes. I don't have hard numbers for
online tests on my machine (offline also makes some expensive operations
cached) but the initial time was closer to 20 minutes.
As a secondary factor testing is now a little bit more reproducible and
repatable. Spread makes ordering non-deterministic but at least package
building and snap revisions are fixed.
Signed-off-by: Zygmunt Krynicki zygmunt.krynicki@canonical.com