mdw@git.distorted.org.uk Git - sgt/utils/blob - buildrun/test.sh

   1 #!/bin/sh
   2
   3 # Test script for buildrun.
   4
   5 # Can be used with my original inotify-based implementation too,
   6 # provided you pass --old on the command line.
   7
   8 rm -rf testctl
   9 rm -f testlog
  10
  11 # The inotify-based version wouldn't cope if the control file didn't
  12 # exist to begin with. Create an empty one.
  13 if test "x--old" = "x$1"; then touch testctl; fi
  14
  15 testwrite() { # usage: testwrite <identifier> <exitstatus>
  16     buildrun -w testctl sh -c "echo write start $1 >> testlog; sleep 2; echo write end $1 returning $2 >> testlog; exit $2"
  17 }
  18 testread() { # usage: testread <identifier>
  19     echo read start $1 >> testlog
  20     buildrun -r testctl sh -c "echo read end $1 >> testlog"
  21 }
  22
  23 # Test 1: start buildrun -w first, then buildrun -r. The former
  24 # completes successfully, and the latter should then finish.
  25 ( testwrite 1 0 ) &
  26 sleep 0.5
  27 testread 1
  28
  29 # Test 2: same, but this time the first -w fails and we need a second
  30 # one that succeeds.
  31 ( testwrite 2a 1; sleep 0.5; testwrite 2b 0 ) &
  32 sleep 0.5
  33 testread 2
  34
  35 # Test 3: this time we arrange a failure, and then start up a buildrun
  36 # -r while no -w is running at all, demonstrating that it can block
  37 # even when there's nothing to block on.
  38 testwrite 3pre 1
  39 ( testread 3 ) &
  40 sleep 0.5
  41 testwrite 3 0
  42 sleep 0.5
  43
  44 # Test 4: same, but again we have a failure before a success.
  45 testwrite 4pre 1
  46 ( testread 4 ) &
  47 sleep 0.5
  48 testwrite 4a 1; sleep 0.5; testwrite 4b 0
  49 sleep 0.5
  50
  51 # Test 5: now that no -w run is active and the last one was
  52 # successful, do a -r run on its own and check that it returns success
  53 # without blocking.
  54 testread 5
  55
  56 if diff -u testout.txt testlog; then
  57     # Files match. Report success and clear up.
  58     echo "Tests passed."
  59     rm -rf testctl
  60     rm -f testlog
  61 else
  62     # They don't match. Leave the temporary files lying around and
  63     # return failure.
  64     exit 1
  65 fi