gstreamer/docs/random/testing/syntax

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The test program
----------------
We need a test program that:
- can read a file with the test specs
- construct a pipeline using the pipeline definition in the spec file
(using gst_parse_launch ())
- add signals to elements in the pipeline
- run the pipeline for a fixed (in time/number of iterations) period
- record the fireing of the signals
- compare the signals to the expected results.
spec file contents:
-------------------
tcN: name-of-the-tescase
tcP: pipeline of the testcase in gst_parse_launch () syntax.
tcS: id1, element, signalname (attach to signal in an element)
tcS: id2, element, signalname
...
tcI: the number of iterations on the top bin
tcT: a timeout value in mSecs
tcR: id1,1,id2,1,.. (the pattern of signals triggered)
or
tcR: id1==id2,... (denote an equal number of signals)
/n
signal trigger patterns
-----------------------