1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
; Copyright (c) Rich Hickey. All rights reserved.
; The use and distribution terms for this software are covered by the
; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
; which can be found in the file epl-v10.html at the root of this distribution.
; By using this software in any fashion, you are agreeing to be bound by
; the terms of this license.
; You must not remove this notice, or any other, from this software.
;; Tests for error handling and messages
(ns clojure.test-clojure.errors
(:use clojure.test)
(:import clojure.lang.ArityException))
(defn f0 [] 0)
(defn f1 [a] a)
;; Function name that includes many special characters to test demunge
(defn f2:+><->!#%&*|b [x] x)
(defmacro m0 [] `(identity 0))
(defmacro m1 [a] `(inc ~a))
(deftest arity-exception
;; IllegalArgumentException is pre-1.3
(is (thrown-with-msg? IllegalArgumentException #"Wrong number of args \(1\) passed to"
(f0 1)))
(is (thrown-with-msg? ArityException #"Wrong number of args \(0\) passed to"
(f1)))
(is (thrown-with-msg? ArityException #"Wrong number of args \(1\) passed to"
(macroexpand `(m0 1))))
(is (thrown-with-msg? ArityException #"Wrong number of args \(2\) passed to"
(macroexpand `(m1 1 2))))
(is (thrown-with-msg? ArityException #"\Q/f2:+><->!#%&*|b\E"
(f2:+><->!#%&*|b 1 2))
"ArityException messages should demunge function names"))
(deftest assert-arg-messages
; used to ensure that error messages properly use local names for macros
(refer 'clojure.core :rename '{with-open renamed-with-open})
; would have used `are` here, but :line meta on &form doesn't survive successive macroexpansions
(doseq [[msg-regex-str form] [["if-let .* in %s:\\d+" '(if-let [a 5
b 6]
true nil)]
["let .* in %s:\\d+" '(let [a])]
["let .* in %s:\\d+" '(let (a))]
["renamed-with-open .* in %s:\\d+" '(renamed-with-open [a])]]]
(is (thrown-with-msg? IllegalArgumentException
(re-pattern (format msg-regex-str *ns*))
(macroexpand form)))))
(deftest extract-ex-data
(try
(throw (ex-info "example error" {:foo 1}))
(catch Throwable t
(is (= {:foo 1} (ex-data t)))))
(is (nil? (ex-data (RuntimeException. "example non ex-data")))))
|
