436 lines
10 KiB
Scheme
436 lines
10 KiB
Scheme
;;; The Geesh Shell Interpreter
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;;; Copyright 2018 Timothy Sample <samplet@ngyro.com>
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;;;
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;;; This file is part of Geesh.
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;;;
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;;; Geesh is free software: you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation, either version 3 of the License, or
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;;; (at your option) any later version.
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;;;
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;;; Geesh is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with Geesh. If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-word)
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#:use-module (geesh environment)
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#:use-module (geesh word)
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#:use-module (srfi srfi-64)
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#:use-module (tests unit automake))
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;;; Commentary:
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;;;
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;;; Tests for the word module.
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;;;
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;;; Code:
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(test-begin "word")
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;;; Basic string handling.
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(test-equal "Converts a simple word (string) to a single field"
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'("foo")
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(expand-word "foo"))
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(test-equal "Converts a simple word (list) to a single field"
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'("foo")
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(expand-word '("foo")))
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(test-equal "Concatenates contiguous parts into a single field"
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'("foobar")
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(expand-word '("foo" "bar")))
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(test-equal "Splits a word along unquoted spaces"
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'("foo" "bar")
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(expand-word '("foo bar")))
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(test-equal "Splits a word on leading space"
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'("foo" "bar")
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(expand-word '("foo" " bar")))
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(test-equal "Splits a word on trailing space"
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'("foo" "bar")
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(expand-word '("foo " "bar")))
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(test-equal "Ignores leading spaces"
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'("foo")
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(expand-word '(" foo")))
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(test-equal "Ignores trailing spaces"
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'("foo")
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(expand-word '("foo ")))
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(test-equal "Treats multiple spaces as a single space"
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'("foo" "bar")
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(expand-word '("foo bar")))
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(test-equal "Handles multiple joins and splits"
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'("hi_how" "are_you")
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(expand-word '("hi_" "how are" "_you")))
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(test-equal "Handles nested lists"
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'("foo")
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(expand-word '("f" ("oo"))))
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;;; Quotes.
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(test-equal "Ignores spaces in quotes"
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'("foo bar")
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(expand-word '(<sh-quote> "foo bar")))
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(test-equal "Concatenates strings and quotes"
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'("foo bar")
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(expand-word '("foo" (<sh-quote> " bar"))))
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(test-equal "Concatenates quotes"
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'("foo bar")
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(expand-word '((<sh-quote> "foo") (<sh-quote> " bar"))))
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(test-equal "Handles nested quotes"
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'("foo bar")
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(expand-word '(<sh-quote> (<sh-quote> "foo bar"))))
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(test-equal "Splits and concatenates words and quotes"
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'("foo" "bar")
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(expand-word '((<sh-quote> "foo") " " (<sh-quote> "bar"))))
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;;; Tildes.
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;;;
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;;; Not yet implemented.
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;;; Basic parameter references.
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;;;
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;;; FIXME: Test "nounset" ("set -u").
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(test-equal "Resolves parameters"
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'("foo")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref> "x")))))
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(test-equal "Splits parameter results"
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'("foo" "bar")
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(with-variables '(("x" . "foo bar"))
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(lambda ()
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(expand-word '(<sh-ref> "x")))))
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(test-equal "Resolves quoted parameters"
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'("foo")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-quote> (<sh-ref> "x"))))))
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(test-equal "Ignores spaces in quoted parameters"
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'("foo bar")
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(with-variables '(("x" . "foo bar"))
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(lambda ()
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(expand-word '(<sh-quote> (<sh-ref> "x"))))))
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(test-equal "Treats empty variables as nothing"
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'()
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(with-variables '(("x" . ""))
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(lambda ()
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(expand-word '(<sh-ref> "x")))))
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(test-equal "Treats unset variables as nothing"
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'()
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref> "x")))))
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(test-equal "Preserves empty variables when quoted"
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'("")
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(with-variables '(("x" . ""))
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(lambda ()
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(expand-word '(<sh-quote> (<sh-ref> "x"))))))
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(test-equal "Preserves unset variables when quoted"
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'("")
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-quote> (<sh-ref> "x"))))))
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;;; Parameter operations.
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;;; or
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(test-equal "Handles 'or' when parameter is set"
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'("foo")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-or> "x" "bar")))))
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(test-equal "Handles 'or' when parameter is set and empty"
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'()
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(with-variables '(("x" . ""))
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(lambda ()
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(expand-word '(<sh-ref-or> "x" "bar")))))
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(test-equal "Handles 'or' when parameter is unset"
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'("bar")
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-or> "x" "bar")))))
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(test-equal "Handles 'or' fall-through without default"
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'()
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-or> "x" #f)))))
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;;; or*
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(test-equal "Handles 'or*' when parameter is set"
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'("foo")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-or*> "x" "bar")))))
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(test-equal "Handles 'or*' when parameter is set and empty"
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'("bar")
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(with-variables '(("x" . ""))
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(lambda ()
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(expand-word '(<sh-ref-or*> "x" "bar")))))
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(test-equal "Handles 'or*' when parameter is unset"
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'("bar")
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-or*> "x" "bar")))))
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(test-equal "Handles 'or*' fall-through without default"
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'()
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-or*> "x" #f)))))
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;;; or!
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(test-equal "Handles 'or!' when parameter is set"
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'(("foo") "foo")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(list (expand-word '(<sh-ref-or!> "x" "bar"))
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(getvar "x")))))
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(test-equal "Handles 'or!' when parameter is set and empty"
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'(() "")
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(with-variables '(("x" . ""))
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(lambda ()
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(list (expand-word '(<sh-ref-or!> "x" "bar"))
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(getvar "x")))))
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(test-equal "Handles 'or!' when parameter is unset"
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'(("bar") "bar")
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(with-variables '()
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(lambda ()
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(list (expand-word '(<sh-ref-or!> "x" "bar"))
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(getvar "x")))))
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(test-equal "Handles 'or!' fall-through without default"
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'(() "")
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(with-variables '()
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(lambda ()
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(list (expand-word '(<sh-ref-or!> "x" #f))
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(getvar "x")))))
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;;; or!*
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(test-equal "Handles 'or!*' when parameter is set"
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'(("foo") "foo")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(list (expand-word '(<sh-ref-or!*> "x" "bar"))
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(getvar "x")))))
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(test-equal "Handles 'or!*' when parameter is set and empty"
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'(("bar") "bar")
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(with-variables '(("x" . ""))
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(lambda ()
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(list (expand-word '(<sh-ref-or!*> "x" "bar"))
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(getvar "x")))))
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(test-equal "Handles 'or!*' when parameter is unset"
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'(("bar") "bar")
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(with-variables '()
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(lambda ()
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(list (expand-word '(<sh-ref-or!*> "x" "bar"))
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(getvar "x")))))
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(test-equal "Handles 'or!*' fall-through without default"
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'(() "")
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(with-variables '()
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(lambda ()
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(list (expand-word '(<sh-ref-or!*> "x" #f))
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(getvar "x")))))
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(test-equal "Does not split fields on assignment"
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'(("foo" "bar") "foo bar")
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(with-variables '(("y" . "foo bar"))
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(lambda ()
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(list (expand-word '(<sh-ref-or!*> "x" (<sh-ref> "y")))
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(getvar "x")))))
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;;; FIXME: Test 'assert'.
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;;; and
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(test-equal "Handles 'and' when parameter is set"
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'("bar")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-and> "x" "bar")))))
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(test-equal "Handles 'and' when parameter is set and empty"
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'()
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(with-variables '(("x" . ""))
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(lambda ()
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(expand-word '(<sh-ref-and> "x" "bar")))))
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(test-equal "Handles 'and' when parameter is unset"
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'()
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-and> "x" "bar")))))
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(test-equal "Handles 'and' fall-through without default"
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'()
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-and> "x" #f)))))
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;;; and*
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(test-equal "Handles 'and*' when parameter is set"
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'("bar")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-and*> "x" "bar")))))
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(test-equal "Handles 'and*' when parameter is set and empty"
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'("bar")
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(with-variables '(("x" . ""))
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(lambda ()
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(expand-word '(<sh-ref-and*> "x" "bar")))))
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(test-equal "Handles 'and*' when parameter is unset"
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'()
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-and*> "x" "bar")))))
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(test-equal "Handles 'and*' fall-through without default"
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'()
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-and*> "x" #f)))))
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;;; length
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(test-equal "Handles 'length' when parameter is set"
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'("3")
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(with-variables '(("x" . "foo"))
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(lambda ()
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(expand-word '(<sh-ref-length> "x")))))
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(test-equal "Handles 'length' when parameter is unset"
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'("0")
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(with-variables '()
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(lambda ()
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(expand-word '(<sh-ref-length> "x")))))
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;;; Command substition.
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(test-equal "Resolves commands"
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'("foo")
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(parameterize ((eval-cmd-sub identity))
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(expand-word '(<sh-cmd-sub> "foo"))))
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(test-equal "Splits command results"
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'("foo" "bar")
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(parameterize ((eval-cmd-sub identity))
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(expand-word '(<sh-cmd-sub> "foo bar"))))
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(test-equal "Resolves quoted commands"
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'("foo")
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(parameterize ((eval-cmd-sub identity))
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(expand-word '(<sh-quote> (<sh-cmd-sub> "foo")))))
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(test-equal "Ignores spaces in quoted commands"
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'("foo bar")
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(parameterize ((eval-cmd-sub identity))
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(expand-word '(<sh-quote> (<sh-cmd-sub> "foo bar")))))
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;;; Arithmetic expansion.
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;;;
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;;; Not yet implemented.
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;;; Pattern expansion.
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;;;
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;;; Not yet implemented.
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;;; Field splitting (IFS)
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(test-equal "Respects IFS value"
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'("foo" "bar")
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(with-variables '(("IFS" . "-"))
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(lambda ()
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(expand-word '("foo-bar")))))
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(test-equal "Combines multiple whitespace separators"
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'("foo" "bar")
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(with-variables '(("IFS" . " "))
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(lambda ()
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(expand-word '("foo bar")))))
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(test-equal "Keeps multiple non-whitespace separators"
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'("foo" "" "bar")
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(with-variables '(("IFS" . "-"))
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(lambda ()
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(expand-word '("foo--bar")))))
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(test-equal "Combines whitespace separators with a non-whitespace separator"
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'("foo" "bar")
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(with-variables '(("IFS" . "- "))
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(lambda ()
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(expand-word '("foo - bar")))))
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(test-equal "Keeps multiple non-whitespace separators with whitespace"
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'("foo" "" "bar")
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(with-variables '(("IFS" . "- "))
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(lambda ()
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(expand-word '("foo - - bar")))))
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(test-equal "Splits on leading non-whitespace separator"
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'("" "foo")
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(with-variables '(("IFS" . "-"))
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(lambda ()
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(expand-word '("-foo")))))
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(test-equal "Does not split on trailing non-whitespace separator"
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'("foo")
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(with-variables '(("IFS" . "-"))
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(lambda ()
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(expand-word '("foo-")))))
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(test-equal "Makes one field for single non-whitespace separator"
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'("")
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(with-variables '(("IFS" . "-"))
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(lambda ()
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(expand-word '("-")))))
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(test-end)
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