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new tests for .first and .last - #751

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This commit is contained in:
Becky Gilbert 2020-10-16 15:41:52 -07:00
parent d6f3d79d04
commit 68f847faeb
1 changed files with 14 additions and 0 deletions
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14
tests/jsPsych.data/datacollection.test.js
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@ -67,10 +67,24 @@ describe('DataCollection', function(){
test('#first', function(){ test('#first', function(){
expect(jsPsych.data.get().first(3).count()).toBe(3); expect(jsPsych.data.get().first(3).count()).toBe(3);
expect(jsPsych.data.get().first(2).values()[1].rt).toBe(200); expect(jsPsych.data.get().first(2).values()[1].rt).toBe(200);
expect(jsPsych.data.get().first().count()).toBe(1);
expect(jsPsych.data.get().first(-1)).toThrow();
expect(jsPsych.data.get().first(0)).toThrow();
expect(jsPsych.data.get().filter({foo: bar}).first(1).count()).toBe(0);
var n = jsPsych.data.get().count();
var too_many = n+1;
expect(jsPsych.data.get().first(too_many).count()).toBe(n);
}); });
test('#last', function(){ test('#last', function(){
expect(jsPsych.data.get().last(2).count(2)).toBe(2); expect(jsPsych.data.get().last(2).count(2)).toBe(2);
expect(jsPsych.data.get().last(2).values()[0].rt).toBe(400); expect(jsPsych.data.get().last(2).values()[0].rt).toBe(400);
expect(jsPsych.data.get().last().count()).toBe(1);
expect(jsPsych.data.get().last(-1)).toThrow();
expect(jsPsych.data.get().last(0)).toThrow();
expect(jsPsych.data.get().filter({foo: bar}).last(1).count()).toBe(0);
var n = jsPsych.data.get().count();
var too_many = n+1;
expect(jsPsych.data.get().last(too_many).count()).toBe(n);
}); });
test('#join', function(){ test('#join', function(){
var dc1 = jsPsych.data.get().filter({filter: true}); var dc1 = jsPsych.data.get().filter({filter: true});