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1 ; Copyright (c) Rich Hickey. All rights reserved.
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2 ; The use and distribution terms for this software are covered by the
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3 ; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
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4 ; which can be found in the file epl-v10.html at the root of this distribution.
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5 ; By using this software in any fashion, you are agreeing to be bound by
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6 ; the terms of this license.
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7 ; You must not remove this notice, or any other, from this software.
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8
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9 ;;; test_clojure/test.clj: unit tests for test.clj
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10
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11 ;; by Stuart Sierra
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12 ;; January 16, 2009
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13
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14 ;; Thanks to Chas Emerick, Allen Rohner, and Stuart Halloway for
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15 ;; contributions and suggestions.
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16
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17
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18 (ns clojure.test-clojure.test
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19 (:use clojure.test))
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20
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21 (deftest can-test-symbol
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22 (let [x true]
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23 (is x "Should pass"))
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24 (let [x false]
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25 (is x "Should fail")))
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26
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27 (deftest can-test-boolean
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28 (is true "Should pass")
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29 (is false "Should fail"))
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30
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31 (deftest can-test-nil
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32 (is nil "Should fail"))
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33
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34 (deftest can-test-=
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35 (is (= 2 (+ 1 1)) "Should pass")
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36 (is (= 3 (+ 2 2)) "Should fail"))
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37
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38 (deftest can-test-instance
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39 (is (instance? Integer (+ 2 2)) "Should pass")
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40 (is (instance? Float (+ 1 1)) "Should fail"))
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41
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42 (deftest can-test-thrown
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43 (is (thrown? ArithmeticException (/ 1 0)) "Should pass")
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44 ;; No exception is thrown:
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45 (is (thrown? Exception (+ 1 1)) "Should fail")
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46 ;; Wrong class of exception is thrown:
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47 (is (thrown? ArithmeticException (throw (RuntimeException.))) "Should error"))
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48
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49 (deftest can-test-thrown-with-msg
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50 (is (thrown-with-msg? ArithmeticException #"Divide by zero" (/ 1 0)) "Should pass")
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51 ;; Wrong message string:
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52 (is (thrown-with-msg? ArithmeticException #"Something else" (/ 1 0)) "Should fail")
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53 ;; No exception is thrown:
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54 (is (thrown? Exception (+ 1 1)) "Should fail")
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55 ;; Wrong class of exception is thrown:
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56 (is (thrown-with-msg? IllegalArgumentException #"Divide by zero" (/ 1 0)) "Should error"))
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57
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58 (deftest can-catch-unexpected-exceptions
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59 (is (= 1 (throw (Exception.))) "Should error"))
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60
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61 (deftest can-test-method-call
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62 (is (.startsWith "abc" "a") "Should pass")
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63 (is (.startsWith "abc" "d") "Should fail"))
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64
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65 (deftest can-test-anonymous-fn
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66 (is (#(.startsWith % "a") "abc") "Should pass")
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67 (is (#(.startsWith % "d") "abc") "Should fail"))
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68
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69 (deftest can-test-regexps
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70 (is (re-matches #"^ab.*$" "abbabba") "Should pass")
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71 (is (re-matches #"^cd.*$" "abbabba") "Should fail")
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72 (is (re-find #"ab" "abbabba") "Should pass")
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73 (is (re-find #"cd" "abbabba") "Should fail"))
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74
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75 (deftest #^{:has-meta true} can-add-metadata-to-tests
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76 (is (:has-meta (meta #'can-add-metadata-to-tests)) "Should pass"))
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77
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78 ;; still have to declare the symbol before testing unbound symbols
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79 (declare does-not-exist)
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80
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81 (deftest can-test-unbound-symbol
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82 (is (= nil does-not-exist) "Should error"))
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83
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84 (deftest can-test-unbound-function
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85 (is (does-not-exist) "Should error"))
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86
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87
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88 ;; Here, we create an alternate version of test/report, that
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89 ;; compares the event with the message, then calls the original
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90 ;; 'report' with modified arguments.
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91
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92 (declare original-report)
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93
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94 (defn custom-report [data]
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95 (let [event (:type data)
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96 msg (:message data)
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97 expected (:expected data)
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98 actual (:actual data)
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99 passed (cond
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100 (= event :fail) (= msg "Should fail")
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101 (= event :pass) (= msg "Should pass")
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102 (= event :error) (= msg "Should error")
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103 :else true)]
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104 (if passed
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105 (original-report {:type :pass, :message msg,
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106 :expected expected, :actual actual})
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107 (original-report {:type :fail, :message (str msg " but got " event)
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108 :expected expected, :actual actual}))))
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109
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110 ;; test-ns-hook will be used by test/test-ns to run tests in this
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111 ;; namespace.
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112 (defn test-ns-hook []
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113 (binding [original-report report
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114 report custom-report]
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115 (test-all-vars (find-ns 'clojure.test-clojure.test))))
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