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#lang racket/base
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(require (submod "main.rkt" safe) rackunit)
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(require/expose "main.rkt" (word->hyphenation-points exception-word?))
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(check-equal? (hyphenate "polymorphism") "poly\u00ADmor\u00ADphism")
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(check-equal? (hyphenate "polymorphism" #:min-length 100) "polymorphism")
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(check-equal? (hyphenate "ugly" #:min-length 1) "ug\u00ADly")
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(check-equal? (unhyphenate "poly\u00ADmor\u00ADphism") "polymorphism")
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(check-equal? (hyphenatef "polymorphism" (λ(x) #f)) "polymorphism")
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(check-equal? (hyphenate "polymorphism" #\-) "poly-mor-phism")
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(check-equal? (hyphenate "polymorphism" "foo") "polyfoomorfoophism")
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(check-equal? (unhyphenate "polyfoomorfoophism" "foo") "polymorphism")
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(check-equal? (hyphenate "polymorphism" #\* #:exceptions '("polymo-rphism")) "polymo*rphism")
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(check-equal? (hyphenate "circular polymorphism squandering") "cir\u00ADcu\u00ADlar poly\u00ADmor\u00ADphism squan\u00ADder\u00ADing")
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(check-equal? (hyphenate '(p "circular polymorphism" amp (em "squandering"))) '(p "cir\u00ADcu\u00ADlar poly\u00ADmor\u00ADphism" amp (em "squan\u00ADder\u00ADing")))
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(check-equal? (hyphenate "present project") "present project") ; exception words
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;; test these last so exceptions have been set up already
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(check-equal? (word->hyphenation-points "polymorphism") '("poly" "mor" "phism"))
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(check-equal? (word->hyphenation-points "present") '("present")) ; exception word
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(check-true (exception-word? "Foobar"))
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(check-true (exception-word? "foobar"))
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(check-false (exception-word? "foobar!"))
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(check-true (exception-word? "foo-bar"))
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(check-false (exception-word? "foo bar"))
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;; omit certain tags
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(check-equal? (hyphenate '(p "circular polymorphism" amp (em "squandering")) #:omit (λ(x) (and (txexpr? x) (member (car x) '(em)))))
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'(p "cir\u00ADcu\u00ADlar poly\u00ADmor\u00ADphism" amp (em "squandering")))
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(check-equal? (hyphenate '(p "circular polymorphism" amp (em "squandering")) #:omit (λ(x) (and (txexpr? x) (member (car x) '(p)))))
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'(p "circular polymorphism" amp (em "squandering")))
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(check-equal? (hyphenate '(p (foo "circular") (bar "circular") (zam "circular")) #:omit (λ(x) (and (txexpr? x) (member (car x) '(foo zam)))))
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'(p (foo "circular") (bar "cir\u00ADcu\u00ADlar") (zam "circular")))
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(require txexpr)
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; omit txexprs with an attribute
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(check-equal? (hyphenate '(p (foo ((hyphens "no-thanks")) "circular") (foo "circular"))
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#:omit (λ(x) (and (txexpr? x)
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(with-handlers ([exn:fail? (λ(exn) #f)])
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(equal? (attr-ref x 'hyphens) "no-thanks")))))
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'(p (foo ((hyphens "no-thanks")) "circular") (foo "cir\u00ADcu\u00ADlar")))
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;; omit strings that end with "s"
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(check-equal? (hyphenate '(p (foo "tailfeathers") (foo "tailfeather")) #:omit (λ(x) (and (string? x) (regexp-match #rx"s$" x))))
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'(p (foo "tailfeathers") (foo "tail\u00ADfeath\u00ADer")))
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(check-equal? (unhyphenate '(p (script "tail-feathers") (em "tail-feathers")) #\- #:omit (λ(x) (and (txexpr? x) (member (car x) '(script)))))
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'(p (script "tail-feathers") (em "tailfeathers")))
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