1 | var path = require('path')
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2 | , fs = !process.browser && require('fs')
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3 | , rimraf = !process.browser && require('rimraf')
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4 |
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5 |
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6 |
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7 |
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8 |
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9 |
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10 | var dbidx = 0
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11 |
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12 | , location = function () {
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13 | return path.join(__dirname, '_leveldown_test_db_' + dbidx++)
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14 | }
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15 |
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16 | , lastLocation = function () {
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17 | return path.join(__dirname, '_leveldown_test_db_' + dbidx)
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18 | }
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19 |
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20 | , cleanup = function (callback) {
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21 | if (process.browser)
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22 | return callback()
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23 |
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24 | fs.readdir(__dirname, function (err, list) {
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25 | if (err) return callback(err)
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26 |
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27 | list = list.filter(function (f) {
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28 | return (/^_leveldown_test_db_/).test(f)
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29 | })
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30 |
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31 | if (!list.length)
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32 | return callback()
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33 |
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34 | var ret = 0
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35 |
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36 | list.forEach(function (f) {
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37 | rimraf(path.join(__dirname, f), function (err) {
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38 | if (++ret == list.length)
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39 | callback()
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40 | })
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41 | })
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42 | })
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43 | }
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44 |
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45 | , setUp = function (t) {
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46 | cleanup(function (err) {
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47 | t.error(err, 'cleanup returned an error')
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48 | t.end()
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49 | })
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50 | }
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51 |
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52 | , tearDown = function (t) {
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53 | setUp(t)
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54 | }
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55 |
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56 | , collectEntries = function (iterator, callback) {
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57 | var data = []
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58 | , next = function () {
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59 | iterator.next(function (err, key, value) {
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60 | if (err) return callback(err)
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61 | if (!arguments.length) {
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62 | return iterator.end(function (err) {
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63 | callback(err, data)
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64 | })
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65 | }
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66 | data.push({ key: key, value: value })
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67 | setTimeout(next, 0)
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68 | })
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69 | }
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70 | next()
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71 | }
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72 |
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73 | module.exports = {
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74 | location : location
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75 | , cleanup : cleanup
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76 | , lastLocation : lastLocation
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77 | , setUp : setUp
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78 | , tearDown : tearDown
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79 | , collectEntries : collectEntries
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80 | }
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