1 | var tape = require('tape')
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2 | var writer = require('./')
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3 |
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4 | tape('is a write stream', function (t) {
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5 | var expected = ['hello', 'world', 'verden']
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6 | var ws = writer.obj(write)
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7 |
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8 | ws.write('hello')
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9 | ws.write('world')
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10 | ws.write('verden')
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11 | ws.end(function () {
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12 | t.same(expected.length, 0)
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13 | t.end()
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14 | })
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15 |
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16 | function write (data, enc, cb) {
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17 | t.same(data, expected.shift())
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18 | cb()
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19 | }
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20 | })
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21 |
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22 | tape('is flushable', function (t) {
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23 | var expected = ['hello', 'world', 'verden']
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24 | var flushed = false
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25 |
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26 | var ws = writer.obj(write, flush)
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27 |
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28 | ws.write('hello')
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29 | ws.write('world')
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30 | ws.write('verden')
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31 | ws.end(function () {
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32 | t.same(expected.length, 0)
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33 | t.ok(flushed, 'was flushed')
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34 | t.end()
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35 | })
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36 |
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37 | function write (data, enc, cb) {
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38 | t.same(data, expected.shift())
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39 | cb()
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40 | }
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41 |
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42 | function flush (cb) {
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43 | flushed = true
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44 | process.nextTick(cb)
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45 | }
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46 | })
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47 |
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48 | tape('can pass options', function (t) {
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49 | var expected = ['hello', 'world', 'verden']
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50 | var flushed = false
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51 |
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52 | var ws = writer({objectMode: true}, write, flush)
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53 |
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54 | ws.write('hello')
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55 | ws.write('world')
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56 | ws.write('verden')
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57 | ws.end(function () {
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58 | t.same(expected.length, 0)
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59 | t.ok(flushed, 'was flushed')
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60 | t.end()
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61 | })
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62 |
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63 | function write (data, enc, cb) {
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64 | t.same(data, expected.shift())
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65 | cb()
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66 | }
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67 |
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68 | function flush (cb) {
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69 | flushed = true
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70 | process.nextTick(cb)
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71 | }
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72 | })
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73 |
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74 | tape('emits error on destroy', function (t) {
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75 | var expected = new Error()
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76 |
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77 | var ws = writer({objectMode: true}, function () {})
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78 |
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79 | ws.on('error', function (err) {
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80 | t.equal(err, expected)
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81 | })
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82 | ws.on('close', t.end)
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83 |
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84 | ws.destroy(expected)
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85 | })
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