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#lang racket/base
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(require rackunit)
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(require "../ptree.rkt" "../world.rkt")
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(check-false (pnode? "foo-bar"))
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(check-false (pnode? "Foo_Bar_0123"))
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(check-true (pnode? 'foo-bar))
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(check-false (pnode? "foo-bar.p"))
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(check-false (pnode? "/Users/MB/foo-bar"))
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(check-false (pnode? #f))
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(check-false (pnode? ""))
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(check-false (pnode? " "))
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(check-true (ptree? '(foo)))
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(check-true (ptree? '(foo (hee))))
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(check-true (ptree? '(foo (hee (uncle foo)))))
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(check-false (ptree? '(foo (hee hee (uncle foo)))))
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(define test-ptree-main `(ptree-main foo bar (one (two three))))
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(define test-ptree (ptree-root->ptree test-ptree-main))
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(check-equal? (parent 'three test-ptree) 'two)
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(check-equal? (parent "three" test-ptree) 'two)
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(check-false (parent #f test-ptree))
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(check-false (parent 'nonexistent-name test-ptree))
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(check-equal? (children 'one test-ptree) '(two))
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(check-equal? (children 'two test-ptree) '(three))
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(check-false (children 'three test-ptree))
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(check-false (children #f test-ptree))
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(check-false (children 'fooburger test-ptree))
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(check-equal? (siblings 'one test-ptree) '(foo bar one))
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(check-equal? (siblings 'foo test-ptree) '(foo bar one))
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(check-equal? (siblings 'two test-ptree) '(two))
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(check-false (siblings #f test-ptree))
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(check-false (siblings 'invalid-key test-ptree))
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(check-equal? (previous* 'one test-ptree) '(foo bar))
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(check-equal? (previous* 'three test-ptree) '(foo bar one two))
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(check-false (previous* 'foo test-ptree))
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(check-equal? (previous 'one test-ptree) 'bar)
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(check-equal? (previous 'three test-ptree) 'two)
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(check-false (previous 'foo test-ptree))
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(check-equal? (next 'foo test-ptree) 'bar)
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(check-equal? (next 'one test-ptree) 'two)
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(check-false (next 'three test-ptree))
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(check-equal? (ptree->list test-ptree) '(foo bar one two three))
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(let ([sample-main `(world:pollen-tree-root-name foo bar (one (two three)))])
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(check-equal? (ptree-root->ptree sample-main)
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`(world:pollen-tree-root-name foo bar (one (two three)))))
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(define files '("foo.html" "bar.html" "bar.html.p" "zap.html" "zap.xml"))
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(check-equal? (pnode->url/paths 'foo.html files) "foo.html")
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(check-equal? (pnode->url/paths 'bar.html files) "bar.html")
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;; (check-equal? (name->url 'zap files) 'error) ;; todo: how to test error?
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(check-false (pnode->url/paths 'hee files))
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(set! test-ptree-main `(,world:ptree-root-node foo bar (one (two three))))
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(check-equal? (ptree-root->ptree test-ptree-main)
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`(,world:ptree-root-node foo bar (one (two three))))
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