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; Copyright (c) Rich Hickey. All rights reserved.
; The use and distribution terms for this software are covered by the
; Eclipse Public License 1.0 (
; 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.
;;; test_is/tap.clj: Extension to test for TAP output
;; by Stuart Sierra
;; March 31, 2009
;; Inspired by ClojureCheck by Meikel Brandmeyer:
;; This is an extension to clojure.test that adds support
;; for the Test Anything Protocol (TAP).
;; TAP is a simple text-based syntax for reporting test results. TAP
;; was originally develped for Perl, and now has implementations in
;; several languages. For more information on TAP, see
;; and
;; To use this library, wrap any calls to
;; clojure.test/run-tests in the with-tap-output macro,
;; like this:
;; (use 'clojure.test)
;; (use 'clojure.test.tap)
;; (with-tap-output
;; (run-tests '
(ns clojure.test.tap
(:require [clojure.test :as t]
[clojure.stacktrace :as stack]))
(defn print-tap-plan
"Prints a TAP plan line like '1..n'. n is the number of tests"
(println (str "1.." n)))
(defn print-tap-diagnostic
"Prints a TAP diagnostic line. data is a (possibly multi-line)
(doseq [line (.split data "\n")]
(println "#" line)))
(defn print-tap-pass
"Prints a TAP 'ok' line. msg is a string, with no line breaks"
(println "ok" msg))
(defn print-tap-fail
"Prints a TAP 'not ok' line. msg is a string, with no line breaks"
(println "not ok" msg))
;; This multimethod will override test/report
(defmulti tap-report (fn [data] (:type data)))
(defmethod tap-report :default [data]
(print-tap-diagnostic (pr-str data))))
(defmethod tap-report :pass [data]
(t/inc-report-counter :pass)
(print-tap-pass (t/testing-vars-str))
(when (seq t/*testing-contexts*)
(print-tap-diagnostic (t/testing-contexts-str)))
(when (:message data)
(print-tap-diagnostic (:message data)))
(print-tap-diagnostic (str "expected:" (pr-str (:expected data))))
(print-tap-diagnostic (str " actual:" (pr-str (:actual data))))))
(defmethod tap-report :error [data]
(t/inc-report-counter :error)
(print-tap-fail (t/testing-vars-str))
(when (seq t/*testing-contexts*)
(print-tap-diagnostic (t/testing-contexts-str)))
(when (:message data)
(print-tap-diagnostic (:message data)))
(print-tap-diagnostic "expected:" (pr-str (:expected data)))
(print-tap-diagnostic " actual: ")
(if (instance? Throwable (:actual data))
(stack/print-cause-trace (:actual data) t/*stack-trace-depth*)
(prn (:actual data)))))))
(defmethod tap-report :summary [data]
(print-tap-plan (+ (:pass data) (:fail data) (:error data)))))
(defmacro with-tap-output
"Execute body with modified test reporting functions that produce
TAP output"
[& body]
`(binding [t/report tap-report]
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