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tools/tests: add missing doc about shell tests

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Virgil Dupras 2019-12-12 16:31:52 -05:00
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tools/tests/README.md
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@ -40,3 +40,10 @@ However, there are tricks.
1. Run `unit/runtests.sh <name of file to test>` to target a specific test unit. 1. Run `unit/runtests.sh <name of file to test>` to target a specific test unit.
2. Insert a `halt` to see the value of `A` at any given moment: it will be your 2. Insert a `halt` to see the value of `A` at any given moment: it will be your
reported error code (if 0, runbin will report a success). reported error code (if 0, runbin will report a success).
## shell
Those tests are in the form of shell "replay" files. Every ".replay" file in
this folder contains the contents to type in the shell. That contents is piped
through the shell and the output is then compared with the corresponding
".expected" file. If they match exactly, the test passes.