testutil: make runtests support %include

Using this instruction, a test case can include the contents of a file
into the test during the preprocessing.

Closes #12612
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Daniel Stenberg 2023-12-31 16:27:46 +01:00
parent 8620b11c3a
commit 12f832d950
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@ -74,6 +74,17 @@ For example, to insert the word hello 100 times:
%repeat[100 x hello]%
## Include file
This instruction allows a test case to include another file. It is helpful to
remember that the ordinary variables are expanded before the include happens
so `%LOGDIR` and the others can be used in the include line.
The file name cannot contain `%` as that letter is used to end the name for
the include instruction:
%include filename%
## Conditional lines
Lines in the test file can be made to appear conditionally on a specific