Accept alternative quotes for response predicate test

[infogulch]

Problem to solve

Sometimes when asserting a response I want to match body or query contents that themselves contain quotes so they must be escaped. This is annoying to do, but also makes it hard to read.

Proposal

It would be nice if hurl could parse strings with alternate quotes so other quote types would not need to be escaped.

Additional context and resources

Example output of what happens if you try to use single quotes in the way I described above today:

error: Parsing predicate value
  --> /home/joe/xtemplate/test/tests/nats.hurl:11:15
   |
11 | body contains 'data: "<li>hello 1</li>"\n\n'
   |               ^ invalid predicate value

Tasks to complete

• [ ] Parse predicate strings with single quotes

[jcamiel]

Hi @infogulch

I think cou can use one line string and multi line string even if they're not body

https://hurl.dev/docs/request.html#oneline-string-body

POST https://example.org/helloworld
`Hello world!`

You can try, it may works in predicate

[infogulch]

Unfortunately it doesn't work:

error: Parsing predicate value
  --> /home/joe/xtemplate/test/tests/nats.hurl:11:15
   |
11 | body contains `data: "<li>hello 1</li>"\n\n`
   |               ^ invalid predicate value
   |

Other variations I tried:

body contains `data: "<li>hello 1</li>"`               i.e. no trailing \n\n

body contains ```data: "<li>hello 1</li>"```

body contains ```
data: "<li>hello 1</li>"
```

I think backticks would be fine to use instead of single quotes if you want to keep the syntax consistent. Multiline would be nice as well.

[jcamiel]

Thanks @infogulch I was pretty sure this could work. I think we'll implement support for single and triple backticks.