-updated liquidsoap scripts + library to be liquidsoap-beta2 compliant

python_apps/pypo/liquidsoap_scripts/library/tests/BUG403.liq

@@ -0,0 +1,21 @@
+# This is the test for bug #403 from our old trac.
+#
+# Make a switch() declare itself ready and arrange to use it for the next
+# frame where it isn't ready anymore.
+#
+# Two switches A and B
+# A is only ready for a short period of time due to its predicates.
+# B reselects at the end of a frame just before A becomes unavailable
+# as a result, B has selected = A, attempts to stream it
+# but A finds itself not ready anymore.
+# In other words, B committed but A did not.
+
+r = ref false
+pred = { v=!r ; r:=false ; v }
+add_timeout(2.,{ r := true ; (-1.) })
+
+mixer = fallback(id="mixer", track_sensitive=false,
+  [at(pred, sine(duration=3.)), blank()])
+
+output.dummy(mixer)
+add_timeout(3.,{ print("TEST PASSED") ; shutdown() ; (-1.) })