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Rewrite REPL test parser

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- Use a recursive descent parser so that it's easy to extend.
- Add `@args` to enable customizing command-line arguments
- Add `@should-start` to enable `nix repl` tests that error before
  entering the REPL
- Make sure to read all stdout output before comparing. This catches
  some extra output we were tossing out before!

Change-Id: I5522555df4c313024ab15cd10f9f04e7293bda3a
This commit is contained in:
Rebecca Turner
2024-04-05 13:14:21 -07:00
parent 83d720b730
commit ee423f391d
15 changed files with 856 additions and 419 deletions
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tests/functional/repl_characterization/data/basic.ast
+27 -16
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@@ -1,16 +1,27 @@
Commentary "meow meow meow"
Command "command"
Output "output output one"
Output ""
Output ""
Output "output output two"
Commentary "meow meow"
Command "command two"
Output "output output output"
Commentary "commentary"
Output "output output output"
Output ""
Commentary "the blank below should be chomped"
Command "command three"
Commentary ""
Output "meow output"
Commentary: "meow meow meow"
Indent: " "
Prompt: "nix-repl> "
Command: "command"
Indent: " "
Output: "output output one"
Output: ""
Commentary: ""
Indent: " "
Output: "output output two"
Commentary: "meow meow"
Indent: " "
Prompt: "nix-repl> "
Command: "command two"
Indent: " "
Output: "output output output"
Commentary: "commentary"
Indent: " "
Output: "output output output"
Output: ""
Commentary: "the blank below should be chomped"
Indent: " "
Prompt: "nix-repl> "
Command: "command three"
Commentary: ""
Indent: " "
Output: "meow output"