forked from square/crossfilter
/
pivot-test.js
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/
pivot-test.js
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var vows = require("vows"),
assert = require("assert"),
crossfilter = require("../");
var suite = vows.describe("pivot");
suite.addBatch({
"pivot all": {
topic: function() {
var rslt = {}
rslt.data = [ { gender:'Female', handed:'Right-handed'},
{ gender:'Male', handed:'Left-handed'},
{ gender:'Female', handed:'Right-handed'},
{ gender:'Male', handed:'Right-handed'},
{ gender:'Male', handed:'Left-handed'},
{ gender:'Male', handed:'Right-handed'},
{ gender:'Female', handed:'Right-handed'},
{ gender:'Female', handed:'Left-handed'},
{ gender:'Male', handed:'Right-handed'},
{ gender:'Female', handed:'Right-handed'},
]
rslt.c = crossfilter(rslt.data)
rslt.dim = { gender: rslt.c.dimension(function(v) { return v.gender }), handed: rslt.c.dimension(function(v) { return v.handed }) }
rslt.group = { gender: rslt.dim.gender.group(), handed: rslt.dim.handed.group() }
return rslt
},
"counts records by default": function(fixture) {
var p = fixture.c.pivotGroup([fixture.group.gender, fixture.group.handed])
assert.deepEqual(p.all(), [{key:['Female', 'Left-handed'], value:1},
{key:['Female', 'Right-handed'], value:4},
{key:['Male', 'Left-handed'], value:2},
{key:['Male', 'Right-handed'], value:3}])
},
"respects filters": function(fixture) {
var p = fixture.c.pivotGroup([fixture.group.gender, fixture.group.handed])
fixture.dim.gender.filter('Female')
assert.deepEqual(p.all(), [{key:['Female', 'Left-handed'], value:1},
{key:['Female', 'Right-handed'], value:4},
{key:['Male', 'Left-handed'], value:0},
{key:['Male', 'Right-handed'], value:0}])
}
}
})
suite.export(module)