tree 8b4ad81e2b3a3e60a2ece7366942eba3e4913d88
parent 72686563e767f8a359e48a267a2c323953a6a0ef
author Jonas Finnemann Jensen <jonasfj@google.com> 1578992956 +0100
committer GitHub <noreply@github.com> 1578992956 +0100
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Use a unqiue file name for the snapshot during testing. (#2303)

Testing `pub` without a snapshot is slow because many tests
invokes `pub` as a commandline tool. Supplying the snapshot
using a fixed filename is risky as it's easy to forget to
delete/rebuild the snapshot causing test results to be
out-of-date.

By using an environment variable to specify the name of the
`pub` snapshot, we can create a random temporary file for
each test run. This minimizes the risk that we accidentally
run tests with an outdated snapshot of `pub`.