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(ns clojure.contrib.test-json
(:use clojure.test clojure.contrib.json))
(deftest can-read-from-pushback-reader
(let [s (java.io.PushbackReader. (java.io.StringReader. "42"))]
(is (= 42 (read-json s)))))
(deftest can-read-from-reader
(let [s (java.io.StringReader. "42")]
(is (= 42 (read-json s)))))
(deftest can-read-numbers
(is (= 42 (read-json "42")))
(is (= -3 (read-json "-3")))
(is (= 3.14159 (read-json "3.14159")))
(is (= 6.022e23 (read-json "6.022e23"))))
(deftest can-read-null
(is (= nil (read-json "null"))))
(deftest can-read-strings
(is (= "Hello, World!" (read-json "\"Hello, World!\""))))
(deftest handles-escaped-slashes-in-strings
(is (= "/foo/bar" (read-json "\"\\/foo\\/bar\""))))
(deftest handles-unicode-escapes
(is (= " \u0beb " (read-json "\" \\u0bEb \""))))
(deftest handles-escaped-whitespace
(is (= "foo\nbar" (read-json "\"foo\\nbar\"")))
(is (= "foo\rbar" (read-json "\"foo\\rbar\"")))
(is (= "foo\tbar" (read-json "\"foo\\tbar\""))))
(deftest can-read-booleans
(is (= true (read-json "true")))
(is (= false (read-json "false"))))
(deftest can-ignore-whitespace
(is (= nil (read-json "\r\n null"))))
(deftest can-read-arrays
(is (= [1 2 3] (read-json "[1,2,3]")))
(is (= ["Ole" "Lena"] (read-json "[\"Ole\", \r\n \"Lena\"]"))))
(deftest can-read-objects
(is (= {:a 1, :b 2} (read-json "{\"a\": 1, \"b\": 2}"))))
(deftest can-read-nested-structures
(is (= {:a [1 2 {:b [3 "four"]} 5.5]}
(read-json "{\"a\":[1,2,{\"b\":[3,\"four\"]},5.5]}"))))
(deftest disallows-non-string-keys
(is (thrown? Exception (read-json "{26:\"z\""))))
(deftest disallows-barewords
(is (thrown? Exception (read-json " foo "))))
(deftest disallows-unclosed-arrays
(is (thrown? Exception (read-json "[1, 2, "))))
(deftest disallows-unclosed-objects
(is (thrown? Exception (read-json "{\"a\":1, "))))
(deftest can-get-string-keys
(is (= {"a" [1 2 {"b" [3 "four"]} 5.5]}
(read-json "{\"a\":[1,2,{\"b\":[3,\"four\"]},5.5]}" false true nil))))
(declare *pass1-string*)
(deftest pass1-test
(let [input (read-json *pass1-string* false true nil)]
(is (= "JSON Test Pattern pass1" (first input)))
(is (= "array with 1 element" (get-in input [1 "object with 1 member" 0])))
(is (= 1234567890 (get-in input [8 "integer"])))
(is (= "rosebud" (last input)))))
; from http://www.json.org/JSON_checker/test/pass1.json
(def *pass1-string*
"[
\"JSON Test Pattern pass1\",
{\"object with 1 member\":[\"array with 1 element\"]},
{},
[],
-42,
true,
false,
null,
{
\"integer\": 1234567890,
\"real\": -9876.543210,
\"e\": 0.123456789e-12,
\"E\": 1.234567890E+34,
\"\": 23456789012E66,
\"zero\": 0,
\"one\": 1,
\"space\": \" \",
\"quote\": \"\\\"\",
\"backslash\": \"\\\\\",
\"controls\": \"\\b\\f\\n\\r\\t\",
\"slash\": \"/ & \\/\",
\"alpha\": \"abcdefghijklmnopqrstuvwyz\",
\"ALPHA\": \"ABCDEFGHIJKLMNOPQRSTUVWYZ\",
\"digit\": \"0123456789\",
\"0123456789\": \"digit\",
\"special\": \"`1~!@#$%^&*()_+-={':[,]}|;.</>?\",
\"hex\": \"\\u0123\\u4567\\u89AB\\uCDEF\\uabcd\\uef4A\",
\"true\": true,
\"false\": false,
\"null\": null,
\"array\":[ ],
\"object\":{ },
\"address\": \"50 St. James Street\",
\"url\": \"http://www.JSON.org/\",
\"comment\": \"// /* <!-- --\",
\"# -- --> */\": \" \",
\" s p a c e d \" :[1,2 , 3
,
4 , 5 , 6 ,7 ],\"compact\":[1,2,3,4,5,6,7],
\"jsontext\": \"{\\\"object with 1 member\\\":[\\\"array with 1 element\\\"]}\",
\"quotes\": \"" \\u0022 %22 0x22 034 "\",
\"\\/\\\\\\\"\\uCAFE\\uBABE\\uAB98\\uFCDE\\ubcda\\uef4A\\b\\f\\n\\r\\t`1~!@#$%^&*()_+-=[]{}|;:',./<>?\"
: \"A key can be any string\"
},
0.5 ,98.6
,
99.44
,
1066,
1e1,
0.1e1,
1e-1,
1e00,2e+00,2e-00
,\"rosebud\"]")
(deftest can-print-json-strings
(is (= "\"Hello, World!\"" (json-str "Hello, World!")))
(is (= "\"\\\"Embedded\\\" Quotes\"" (json-str "\"Embedded\" Quotes"))))
(deftest can-print-unicode
(is (= "\"\\u1234\\u4567\"" (json-str "\u1234\u4567"))))
(deftest can-print-json-null
(is (= "null" (json-str nil))))
(deftest can-print-json-arrays
(is (= "[1,2,3]" (json-str [1 2 3])))
(is (= "[1,2,3]" (json-str (list 1 2 3))))
(is (= "[1,2,3]" (json-str (sorted-set 1 2 3))))
(is (= "[1,2,3]" (json-str (seq [1 2 3])))))
(deftest can-print-java-arrays
(is (= "[1,2,3]" (json-str (into-array [1 2 3])))))
(deftest can-print-empty-arrays
(is (= "[]" (json-str [])))
(is (= "[]" (json-str (list))))
(is (= "[]" (json-str #{}))))
(deftest can-print-json-objects
(is (= "{\"a\":1,\"b\":2}" (json-str (sorted-map :a 1 :b 2)))))
(deftest object-keys-must-be-strings
(is (= "{\"1\":1,\"2\":2") (json-str (sorted-map 1 1 2 2))))
(deftest can-print-empty-objects
(is (= "{}" (json-str {}))))
(deftest accept-sequence-of-nils
(is (= "[null,null,null]" (json-str [nil nil nil]))))
(deftest error-on-nil-keys
(is (thrown? Exception (json-str {nil 1}))))
(deftest characters-in-symbols-are-escaped
(is (= "\"foo\\u1b1b\"" (json-str (symbol "foo\u1b1b")))))
(deftest default-throws-on-eof
(is (thrown? java.io.EOFException (read-json ""))))
(deftest can-accept-eof
(is (= ::eof (read-json "" true false ::eof))))
;;; Pretty-printer
(deftest pretty-printing
(let [x (read-json *pass1-string* false)]
(is (= x (read-json (with-out-str (pprint-json x)) false)))))
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