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Przetłumaczone getting-started
author Radomir Dopieralski <sheep-devel@sheep.art.pl>
date Sun, 15 Jul 2012 13:27:27 +0200
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children b04f509bee83
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1 Test tools
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2 ==========
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3
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4 To make it easier to test code, and to ensure that example code is
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5 correct, there is a small testtools.js file in the work folder.
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7
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8 How to write tests
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9 ------------------
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10
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11 To prepare a test create a file like this. It's also in the work
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12 folder. (For real examples the file will give *assert* a more
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13 interesting argument, whose truth or falsity is perhaps not obvious.)
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14
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15 .. literalinclude:: /core-javascript-work/demo_testtools.js
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16 :language: javascript
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17
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18
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19 How to run tests
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20 ----------------
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21
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22 Here's how to run the tests at the command line, finishing with a
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23 command prompt that allows you inspect the state and also run the test
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24 again.
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25
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26
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27 Rhino
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28 ^^^^^
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29
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30 For Rhino use *load* to run the test again.
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31
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32 .. code-block:: sh
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33
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34 core-javascript-work$ js -f testtools.js -f demo_testtools.js -f -
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35 Testing: all-pass
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36 Testing: 2-4-fail
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37 ! assert 2 has failed
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38 ! assert 4 has failed
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39 Rhino 1.7 release 2 2010 01 20
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40 js> load('demo_testtools.js') // You type this.
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41 Testing: all-pass
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42 Testing: 2-4-fail
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43 ! assert 2 has failed
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44 ! assert 4 has failed
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45 js>
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46
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47
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48 JSDB
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49 ^^^^
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50
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51 For JSDB use *run* to run the test again.
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52
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53 .. code-block:: sh
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54
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55 C:core-javascript-work> jsdb -load testtools.js -load demo_testtools.js
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56 Testing: all-pass
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57 Testing: 2-4-fail
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58 ! assert 2 has failed
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59 ! assert 4 has failed
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60 js> load('demo_testtools.js') // You type this.
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61 Testing: all-pass
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62 Testing: 2-4-fail
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63 ! assert 2 has failed
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64 ! assert 4 has failed
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65 js>
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66
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67
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68 testools.js
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69 -----------
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70
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71 (Optional on a first reading.) Here's the file testools.js. It's
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72 short and simple (and has a not-nice dependency on global variables).
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73 It also has a branch based on whether it's being run on JSDB or Rhino.
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74
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75 .. literalinclude:: /core-javascript-work/testtools.js
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76 :language: javascript