112 lines
3.4 KiB
Scheme
112 lines
3.4 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-environment)
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#:use-module (geesh environment)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-64)
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#:use-module (tests automake))
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;;; Commentary:
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;;;
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;;; Tests for the environment module.
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;;;
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;;; Code:
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(test-begin "environment")
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;;;
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;;; Variables.
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;;;
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(test-equal "Stores existing variables"
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"bar"
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(let ((env (make-environment '(("FOO" . "bar")))))
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(var-ref env "FOO")))
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(test-equal "Stores new variables"
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"bar"
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(let ((env (make-environment '())))
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(set-var! env "FOO" "bar")
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(var-ref env "FOO")))
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(test-equal "Updates variables"
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"baz"
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(let ((env (make-environment '(("FOO" . "bar")))))
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(set-var! env "FOO" "baz")
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(var-ref env "FOO")))
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(test-equal "Returns '#f' for unset variables"
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#f
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(let ((env (make-environment '())))
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(var-ref env "FOO")))
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;;;
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;;; Making and reading 'environs'.
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;;;
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(define (subset? lst1 lst2)
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"Test if @var{lst1} is a subset of @var{lst2}."
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(every (lambda (x) (member x lst2)) lst1))
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(define (set=? lst1 lst2)
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"Test if @var{lst1} is @code{equal?} to @var{lst2} without respect
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to order."
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(and (subset? lst1 lst2)
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(subset? lst2 lst1)))
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(test-equal "Creates environ from empty environment"
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'()
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(let ((env (make-environment '())))
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(environment->environ env)))
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(test-assert "Creates environ from environment"
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(let* ((env (make-environment '(("FOO" . "abc")
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("BAR" . "def"))))
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(environ (environment->environ env)))
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(set=? environ '("FOO=abc" "BAR=def"))))
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(test-assert "Creates environ from empty environment and bindings"
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(let* ((env (make-environment '()))
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(bindings '(("FOO" . "abc")
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("BAR" . "def")))
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(environ (environment->environ env bindings)))
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(set=? environ '("FOO=abc" "BAR=def"))))
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(test-assert "Creates environ from environment and bindings"
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(let* ((env (make-environment '(("FOO" . "abc")
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("BAZ" . "ghi"))))
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(bindings '(("BAR" . "def")
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("QUUX" . "jkl")))
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(environ (environment->environ env bindings)))
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(set=? environ '("FOO=abc" "BAR=def" "BAZ=ghi" "QUUX=jkl"))))
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(test-assert "Bindings override environment when creating an environ"
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(let* ((env (make-environment '(("FOO" . "abc")
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("BAR" . "def"))))
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(bindings '(("FOO" . "ghi")))
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(environ (environment->environ env bindings)))
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(set=? environ '("FOO=ghi" "BAR=def"))))
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(test-assert "Creates an alist from an environ"
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(let* ((environ '("FOO=abc" "BAR=def"))
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(alist (environ->alist environ)))
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(set=? alist '(("FOO" . "abc") ("BAR" . "def")))))
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(test-end)
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