preprocess-test.ss
(module preprocess-test mzscheme
  
  (require (file "preprocess.ss")
           (file "test-base.ss"))
  
  (provide preprocess-tests)
  
  (define preprocess-tests
    (test-suite
     "All tests for preprocess"
     (test-case
      "Applying a template returns the expected result"
      (let ((tmpl (open-input-string "<< (+ 1 2) >>")))
        (check string=?
                (apply-template tmpl '())
                "3\n")))

     (test-case
      "Template bindings don't affect the current environment"
      (let ((dummy #f)
            (tmpl (open-input-string "<< (set! dummy 2) dummy >>")))
        (check string=?
                (apply-template tmpl '((dummy . 3)))
                "2\n")
        (check-equal? dummy #f)))

     (test-case
      "Template bindings are passed to the template"
      (let ((tmpl (open-input-string "<< dummy >>")))
        (check string=?
                (apply-template tmpl '((dummy . 3)))
                "3\n")))
     
     ))
  
  )