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parcoords_test.js
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var Plotly = require('@lib/index');
var Lib = require('@src/lib');
var d3 = require('d3');
var Plots = require('@src/plots/plots');
var Parcoords = require('@src/traces/parcoords');
var attributes = require('@src/traces/parcoords/attributes');
var createGraphDiv = require('../assets/create_graph_div');
var delay = require('../assets/delay');
var destroyGraphDiv = require('../assets/destroy_graph_div');
var failTest = require('../assets/fail_test');
var mouseEvent = require('../assets/mouse_event');
var click = require('../assets/click');
var supplyAllDefaults = require('../assets/supply_defaults');
var readPixel = require('../assets/read_pixel');
// mock with two dimensions (one panel); special case, e.g. left and right panel is obv. the same
var mock2 = require('@mocks/gl2d_parcoords_2.json');
// mock with one dimension (zero panels); special case, as no panel can be rendered
var mock1 = require('@mocks/gl2d_parcoords_1.json');
// mock with zero dimensions; special case, as no dimension can be rendered
var mock0 = Lib.extendDeep({}, mock1);
mock0.data[0].dimensions = [];
var mock = Lib.extendDeep({}, require('@mocks/gl2d_parcoords_large.json'));
var lineStart = 30;
var lineCount = 10;
mock.data[0].dimensions.forEach(function(d) {
d.values = d.values.slice(lineStart, lineStart + lineCount);
});
mock.data[0].line.color = mock.data[0].line.color.slice(lineStart, lineStart + lineCount);
function mouseTo(x, y) {
mouseEvent('mousemove', x, y);
mouseEvent('mouseover', x, y);
}
function purgeGraphDiv(done) {
var gd = d3.select('.js-plotly-plot').node();
if(gd) Plotly.purge(gd);
destroyGraphDiv();
return delay(50)().then(done);
}
function getAvgPixelByChannel(id) {
var canvas = d3.select(id).node();
var imgData = readPixel(canvas, 0, 0, canvas.width, canvas.height);
var n = imgData.length * 0.25;
var r = 0;
var g = 0;
var b = 0;
for(var i = 0; i < imgData.length; i++) {
r += imgData[i++];
g += imgData[i++];
b += imgData[i++];
}
return [r / n, g / n, b / n];
}
describe('parcoords initialization tests', function() {
'use strict';
describe('parcoords global defaults', function() {
it('should not coerce trace opacity', function() {
var gd = Lib.extendDeep({}, mock1);
supplyAllDefaults(gd);
expect(gd._fullData[0].opacity).toBeUndefined();
});
it('should use global font as label, tick and range font defaults', function() {
var gd = Lib.extendDeep({}, mock1);
gd.layout.font = {
family: 'Gravitas',
size: 20,
color: 'blue'
};
supplyAllDefaults(gd);
var expected = {
family: 'Gravitas',
size: 17,
color: 'blue'
};
expect(gd._fullData[0].labelfont).toEqual(expected);
expect(gd._fullData[0].tickfont).toEqual(expected);
expect(gd._fullData[0].rangefont).toEqual(expected);
});
it('should not coerce hoverlabel', function() {
var gd = Lib.extendDeep({}, mock1);
supplyAllDefaults(gd);
expect(gd._fullData[0].hoverlabel).toBeUndefined();
});
});
describe('parcoords defaults', function() {
function _supply(traceIn) {
var traceOut = { visible: true },
defaultColor = '#444',
layout = { font: Plots.layoutAttributes.font };
Parcoords.supplyDefaults(traceIn, traceOut, defaultColor, layout);
return traceOut;
}
it('\'line\' specification should yield a default color', function() {
var fullTrace = _supply({});
expect(fullTrace.line.color).toEqual('#444');
});
it('\'colorscale\' should assume a default value if the \'color\' array is specified', function() {
var fullTrace = _supply({
line: {
color: [35, 63, 21, 42]
},
dimensions: [
{values: [321, 534, 542, 674]},
{values: [562, 124, 942, 189]},
{values: [287, 183, 385, 884]},
{values: [113, 489, 731, 454]}
]
});
expect(fullTrace.line).toEqual({
color: [35, 63, 21, 42],
colorscale: attributes.line.colorscale.dflt,
cauto: true,
autocolorscale: false,
reversescale: false,
showscale: false
});
});
it('\'domain\' specification should have a default', function() {
var fullTrace = _supply({});
expect(fullTrace.domain).toEqual({x: [0, 1], y: [0, 1]});
});
it('\'dimension\' specification should have a default of an empty array', function() {
var fullTrace = _supply({});
expect(fullTrace.dimensions).toEqual([]);
});
it('\'dimension\' should be used with default values where attributes are not provided', function() {
var fullTrace = _supply({
dimensions: [{
values: [1],
alienProperty: 'Alpha Centauri'
}]
});
expect(fullTrace.dimensions).toEqual([jasmine.objectContaining({
values: [1],
visible: true,
tickformat: '3s',
multiselect: true,
_index: 0,
_length: 1
})]);
});
it('\'dimension.visible\' should be set to false, and other props just passed through if \'values\' is not provided', function() {
var fullTrace = _supply({
dimensions: [{
alienProperty: 'Alpha Centauri'
}]
});
expect(fullTrace.dimensions).toEqual([jasmine.objectContaining({
visible: false, _index: 0
})]);
});
it('\'dimension.visible\' should be set to false, and other props just passed through if \'values\' is an empty array', function() {
var fullTrace = _supply({
dimensions: [{
values: [],
alienProperty: 'Alpha Centauri'
}]
});
expect(fullTrace.dimensions).toEqual([jasmine.objectContaining({
visible: false, values: [], _index: 0
})]);
});
it('\'dimension.visible\' should be set to false, and other props just passed through if \'values\' is not an array', function() {
var fullTrace = _supply({
dimensions: [{
values: null,
alienProperty: 'Alpha Centauri'
}]
});
expect(fullTrace.dimensions).toEqual([jasmine.objectContaining({
visible: false, _index: 0
})]);
});
it('\'dimension.values\' should get truncated to a common shortest *nonzero* length', function() {
var fullTrace = _supply({dimensions: [
{values: [321, 534, 542, 674]},
{values: [562, 124, 942]},
{values: [], visible: true},
{values: [1, 2], visible: false} // shouldn't be truncated to as visible: false
]});
expect(fullTrace._length).toBe(3);
});
it('cleans up constraintrange', function() {
var fullTrace = _supply({dimensions: [
// will be sorted and unwrapped to 1D
{values: [0, 10, 20], constraintrange: [[15, 5]]},
// overlapping ranges merge
{values: [0, 10, 20], constraintrange: [[1, 3], [3, 5], [5, 7], [9, 12], [14, 8], [13, 15]]},
// ordinal, will snap to 25% out from selected point, except at the ends
{values: [0, 1, 2], tickvals: [0, 1, 2], constraintrange: [[1, 1.5], [2, 2]]},
// first will be deleted, 2&3 will first merge, round down to 1, THEN snap, THEN collapse to 1D
{values: [0, 1, 2], tickvals: [0, 1, 2], constraintrange: [[0.2, 0.6], [1.001, 1.5], [1.4, 2]]},
// constraintrange gets deleted entirely
{values: [0, 1, 2], tickvals: [0, 1, 2], constraintrange: [[0.1, 0.9], [1.1, 1.9]]}
]});
var expectedConstraints = [
[5, 15],
[[1, 7], [8, 15]],
[[0.75, 1.25], [1.75, 2]],
[0.75, 2],
undefined
];
expect(fullTrace.dimensions.length).toBe(expectedConstraints.length);
fullTrace.dimensions.forEach(function(dim, i) {
var constraints = dim.constraintrange;
var expected = expectedConstraints[i];
if(!expected) expect(constraints).toBeUndefined();
else if(Array.isArray(expected[0])) expect(constraints).toBeCloseTo2DArray(expected, 4);
else expect(constraints).toBeCloseToArray(expected, 4);
});
});
});
describe('parcoords calc', function() {
function _calc(trace) {
var gd = { data: [trace] };
supplyAllDefaults(gd);
var fullTrace = gd._fullData[0];
Parcoords.calc(gd, fullTrace);
return fullTrace;
}
var base = { type: 'parcoords' };
it('\'colorscale\' should assume a default value if the \'color\' array is specified', function() {
var fullTrace = _calc(Lib.extendDeep({}, base, {
line: {
color: [35, 63, 21, 42]
},
dimensions: [
{values: [321, 534, 542, 674]},
{values: [562, 124, 942, 189]},
{values: [287, 183, 385, 884]},
{values: [113, 489, 731, 454]}
]
}));
expect(fullTrace.line).toEqual({
color: [35, 63, 21, 42],
colorscale: attributes.line.colorscale.dflt,
cauto: true,
cmin: 21,
cmax: 63,
autocolorscale: false,
reversescale: false,
showscale: false
});
});
it('use a singular \'color\' if it is not an array', function() {
var fullTrace = _calc(Lib.extendDeep({}, base, {
line: {
color: '#444'
},
dimensions: [
{values: [321, 534, 542, 674]},
{values: [562, 124, 942, 189]}
]
}));
expect(fullTrace.line).toEqual({
color: '#444'
});
});
it('use a singular \'color\' even if a \'colorscale\' is supplied as \'color\' is not an array', function() {
var fullTrace = _calc(Lib.extendDeep({}, base, {
line: {
color: '#444',
colorscale: 'Jet'
},
dimensions: [
{values: [321, 534, 542, 674]},
{values: [562, 124, 942, 189]}
]
}));
expect(fullTrace.line).toEqual({
color: '#444'
});
});
});
});
describe('parcoords edge cases', function() {
var gd;
beforeEach(function() {
gd = createGraphDiv();
});
afterEach(purgeGraphDiv);
it('@gl Works fine with one panel only', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(2);
expect(document.querySelectorAll('.axis').length).toEqual(2);
expect(gd.data[0].dimensions[0].visible).not.toBeDefined();
expect(gd.data[0].dimensions[0].range).not.toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toEqual([200, 700]);
expect(gd.data[0].dimensions[1].range).toBeDefined();
expect(gd.data[0].dimensions[1].range).toEqual([0, 700000]);
expect(gd.data[0].dimensions[1].constraintrange).not.toBeDefined();
})
.catch(failTest)
.then(done);
});
it('@gl Do something sensible if there is no panel i.e. dimension count is less than 2', function(done) {
var mockCopy = Lib.extendDeep({}, mock1);
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(1);
expect(document.querySelectorAll('.axis').length).toEqual(1); // sole axis still shows up
expect(gd.data[0].line.cmin).toEqual(-4000);
expect(gd.data[0].dimensions[0].visible).not.toBeDefined();
expect(gd.data[0].dimensions[0].range).not.toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toEqual([200, 700]);
})
.catch(failTest)
.then(done);
});
it('@gl Does not error with zero dimensions', function(done) {
var mockCopy = Lib.extendDeep({}, mock0);
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(0);
expect(document.querySelectorAll('.axis').length).toEqual(0);
})
.catch(failTest)
.then(done);
});
it('@gl Works with duplicate dimension labels', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
mockCopy.layout.width = 320;
mockCopy.data[0].dimensions[1].label = mockCopy.data[0].dimensions[0].label;
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(2);
expect(document.querySelectorAll('.axis').length).toEqual(2);
})
.catch(failTest)
.then(done);
});
it('@gl Works with a single line; also, use a longer color array than the number of lines', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
var dim, i, j;
mockCopy.layout.width = 320;
for(i = 0; i < mockCopy.data[0].dimensions.length; i++) {
dim = mockCopy.data[0].dimensions[i];
delete dim.constraintrange;
dim.range = [1, 2];
dim.values = [];
for(j = 0; j < 1; j++) {
dim.values[j] = 1 + Math.random();
}
}
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(2);
expect(document.querySelectorAll('.axis').length).toEqual(2);
expect(gd.data[0].dimensions[0].values.length).toEqual(1);
})
.catch(failTest)
.then(done);
});
it('@gl Does not raise an error with zero lines and no specified range', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
var dim, i;
mockCopy.layout.width = 320;
for(i = 0; i < mockCopy.data[0].dimensions.length; i++) {
dim = mockCopy.data[0].dimensions[i];
delete dim.range;
delete dim.constraintrange;
dim.values = [];
}
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(2);
expect(document.querySelectorAll('.axis').length).toEqual(0);
expect(gd.data[0].dimensions[0].values.length).toEqual(0);
})
.catch(failTest)
.then(done);
});
it('@gl Works with non-finite `values` elements', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
var dim, i, j;
var values = [[0, 1, 2, 3, 4], [Infinity, NaN, void(0), null, 1]];
mockCopy.layout.width = 320;
for(i = 0; i < values.length; i++) {
dim = mockCopy.data[0].dimensions[i];
delete dim.range;
delete dim.constraintrange;
dim.values = [];
for(j = 0; j < values[0].length; j++) {
dim.values[j] = values[i][j];
}
}
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(2);
expect(document.querySelectorAll('.axis').length).toEqual(2);
expect(gd.data[0].dimensions[0].values.length).toEqual(values[0].length);
})
.catch(failTest)
.then(done);
});
it('@noCI @gl Works with 60 dimensions', function(done) {
var mockCopy = Lib.extendDeep({}, mock1);
var newDimension, i, j;
mockCopy.layout.width = 1680;
mockCopy.data[0].dimensions = [];
for(i = 0; i < 60; i++) {
newDimension = Lib.extendDeep({}, mock1.data[0].dimensions[0]);
newDimension.id = 'S' + i;
newDimension.label = 'S' + i;
delete newDimension.constraintrange;
newDimension.range = [1, 2];
newDimension.values = [];
for(j = 0; j < 100; j++) {
newDimension.values[j] = 1 + Math.random();
}
mockCopy.data[0].dimensions[i] = newDimension;
}
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(60);
expect(document.querySelectorAll('.axis').length).toEqual(60);
})
.catch(failTest)
.then(done);
});
it('@noCI @gl Truncates 60+ dimensions to 60', function(done) {
var mockCopy = Lib.extendDeep({}, mock1);
var newDimension, i, j;
mockCopy.layout.width = 1680;
for(i = 0; i < 70; i++) {
newDimension = Lib.extendDeep({}, mock1.data[0].dimensions[0]);
newDimension.id = 'S' + i;
newDimension.label = 'S' + i;
delete newDimension.constraintrange;
newDimension.range = [0, 999];
for(j = 0; j < 10; j++) {
newDimension.values[j] = Math.floor(1000 * Math.random());
}
mockCopy.data[0].dimensions[i] = newDimension;
}
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(60);
expect(document.querySelectorAll('.axis').length).toEqual(60);
})
.catch(failTest)
.then(done);
});
it('@noCI @gl Truncates dimension values to the shortest array, retaining only 3 lines', function(done) {
var mockCopy = Lib.extendDeep({}, mock1);
var newDimension, i, j;
mockCopy.layout.width = 1680;
for(i = 0; i < 60; i++) {
newDimension = Lib.extendDeep({}, mock1.data[0].dimensions[0]);
newDimension.id = 'S' + i;
newDimension.label = 'S' + i;
delete newDimension.constraintrange;
newDimension.range = [0, 999];
newDimension.values = [];
for(j = 0; j < 65 - i; j++) {
newDimension.values[j] = Math.floor(1000 * Math.random());
}
mockCopy.data[0].dimensions[i] = newDimension;
}
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(60);
expect(document.querySelectorAll('.axis').length).toEqual(60);
})
.catch(failTest)
.then(done);
});
it('@gl Skip dimensions which are not plain objects or whose `values` is not an array', function(done) {
var mockCopy = Lib.extendDeep({}, mock1);
var newDimension, i, j;
mockCopy.layout.width = 680;
mockCopy.data[0].dimensions = [];
for(i = 0; i < 5; i++) {
newDimension = Lib.extendDeep({}, mock1.data[0].dimensions[0]);
newDimension.id = 'S' + i;
newDimension.label = 'S' + i;
delete newDimension.constraintrange;
newDimension.range = [1, 2];
newDimension.values = [];
for(j = 0; j < 100; j++) {
newDimension.values[j] = 1 + Math.random();
}
mockCopy.data[0].dimensions[i] = newDimension;
}
mockCopy.data[0].dimensions[0] = 'This is not a plain object';
mockCopy.data[0].dimensions[1].values = 'This is not an array';
Plotly.plot(gd, mockCopy.data, mockCopy.layout).then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(5); // it's still five, but ...
expect(document.querySelectorAll('.axis').length).toEqual(3); // only 3 axes shown
})
.catch(failTest)
.then(done);
});
});
describe('parcoords Lifecycle methods', function() {
var gd;
beforeEach(function() { gd = createGraphDiv(); });
afterEach(purgeGraphDiv);
it('Plotly.deleteTraces with one trace removes the plot', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
mockCopy.data[0].line.showscale = false;
Plotly.plot(gd, mockCopy).then(function() {
expect(gd.data.length).toEqual(1);
return Plotly.deleteTraces(gd, 0).then(function() {
expect(d3.selectAll('.gl-canvas').node(0)).toEqual(null);
expect(gd.data.length).toEqual(0);
});
})
.catch(failTest)
.then(done);
});
it('@gl Plotly.deleteTraces with two traces removes the deleted plot', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
var mockCopy2 = Lib.extendDeep({}, mock);
mockCopy2.data[0].dimensions.splice(3, 4);
mockCopy.data[0].line.showscale = false;
Plotly.plot(gd, mockCopy)
.then(function() {
expect(gd.data.length).toEqual(1);
expect(document.querySelectorAll('.y-axis').length).toEqual(10);
return Plotly.plot(gd, mockCopy2);
})
.then(function() {
expect(gd.data.length).toEqual(2);
expect(document.querySelectorAll('.y-axis').length).toEqual(10 + 7);
return Plotly.deleteTraces(gd, [0]);
})
.then(function() {
expect(document.querySelectorAll('.gl-canvas').length).toEqual(3);
expect(document.querySelectorAll('.y-axis').length).toEqual(7);
expect(gd.data.length).toEqual(1);
return Plotly.deleteTraces(gd, 0);
})
.then(function() {
expect(document.querySelectorAll('.gl-canvas').length).toEqual(0);
expect(document.querySelectorAll('.y-axis').length).toEqual(0);
expect(gd.data.length).toEqual(0);
})
.catch(failTest)
.then(done);
});
function _assertVisibleData(visible, msg) {
return function() {
var canvases = d3.selectAll('.gl-canvas');
expect(canvases.size()).toBe(3, msg);
canvases.each(function() {
var imageArray = readPixel(this, 0, 0, this.width, this.height);
var foundPixel = false;
var i = 0;
do {
foundPixel = foundPixel || imageArray[i++] !== 0;
} while(!foundPixel && i < imageArray.length);
expect(foundPixel).toBe(visible, msg + ' - ' + this.className);
});
};
}
it('@gl Calling `Plotly.restyle` with zero panels left should erase lines', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
function restyleDimension(key, dimIndex, setterValue) {
var value = Array.isArray(setterValue) ? setterValue[0] : setterValue;
return function() {
return Plotly.restyle(gd, 'dimensions[' + dimIndex + '].' + key, setterValue).then(function() {
expect(gd.data[0].dimensions[dimIndex][key]).toEqual(value, 'for dimension attribute \'' + key + '\'');
});
};
}
Plotly.plot(gd, mockCopy)
.then(_assertVisibleData(true, 'initial'))
.then(restyleDimension('values', 1, [[]]))
.then(_assertVisibleData(false, 'no panels'))
.catch(failTest)
.then(done);
});
it('@gl displays focused and context data after relayout', function(done) {
var mockCopy = Lib.extendDeep({}, mock2);
Plotly.plot(gd, mockCopy)
.then(_assertVisibleData(true, 'initial'))
.then(function() {
return Plotly.relayout(gd, 'paper_bgcolor', '#eef');
})
.then(_assertVisibleData(true, 'after relayout'))
.catch(failTest)
.then(done);
});
describe('Having two datasets', function() {
it('@gl Two subsequent calls to Plotly.plot should create two parcoords rows', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
var mockCopy2 = Lib.extendDeep({}, mock);
mockCopy.data[0].domain = {x: [0, 0.45]};
mockCopy2.data[0].domain = {x: [0.55, 1]};
mockCopy2.data[0].dimensions.splice(3, 4);
expect(document.querySelectorAll('.gl-container').length).toEqual(0);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(1).toEqual(1);
expect(document.querySelectorAll('.gl-container').length).toEqual(1);
expect(gd.data.length).toEqual(1);
return Plotly.plot(gd, mockCopy2);
})
.then(function() {
expect(1).toEqual(1);
expect(document.querySelectorAll('.gl-container').length).toEqual(1);
expect(gd.data.length).toEqual(2);
})
.catch(failTest)
.then(done);
});
it('@gl Plotly.addTraces should add a new parcoords row', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
var mockCopy2 = Lib.extendDeep({}, mock);
mockCopy.data[0].domain = {y: [0, 0.35]};
mockCopy2.data[0].domain = {y: [0.65, 1]};
mockCopy2.data[0].dimensions.splice(3, 4);
expect(document.querySelectorAll('.gl-container').length).toEqual(0);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(document.querySelectorAll('.gl-container').length).toEqual(1);
expect(gd.data.length).toEqual(1);
return Plotly.addTraces(gd, [mockCopy2.data[0]]);
})
.then(function() {
expect(document.querySelectorAll('.gl-container').length).toEqual(1);
expect(gd.data.length).toEqual(2);
})
.catch(failTest)
.then(done);
});
it('@gl Plotly.restyle should update the existing parcoords row', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
var mockCopy2 = Lib.extendDeep({}, mock);
delete mockCopy.data[0].dimensions[0].constraintrange;
delete mockCopy2.data[0].dimensions[0].constraintrange;
// in this example, the brush range doesn't change...
mockCopy.data[0].dimensions[2].constraintrange = [0, 2];
mockCopy2.data[0].dimensions[2].constraintrange = [0, 2];
// .. but what's inside the brush does:
function numberUpdater(v) {
switch(v) {
case 0.5: return 2.5;
default: return v;
}
}
// shuffle around categorical values
mockCopy2.data[0].dimensions[2].ticktext = ['A', 'B', 'Y', 'AB', 'Z'];
mockCopy2.data[0].dimensions[2].tickvals = [0, 1, 2, 2.5, 3];
mockCopy2.data[0].dimensions[2].values = mockCopy2.data[0].dimensions[2].values.map(numberUpdater);
expect(document.querySelectorAll('.gl-container').length).toEqual(0);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(document.querySelectorAll('.gl-container').length).toEqual(1);
expect(gd.data.length).toEqual(1);
return Plotly.restyle(gd, {
// wrap the `dimensions` array
dimensions: [mockCopy2.data[0].dimensions]
});
})
.then(function() {
expect(document.querySelectorAll('.gl-container').length).toEqual(1);
expect(gd.data.length).toEqual(1);
})
.catch(failTest)
.then(done);
});
});
it('@gl line.color `Plotly.restyle` should change focus layer', function(done) {
var testLayer = '.gl-canvas-focus';
Plotly.plot(gd, [{
type: 'parcoords',
dimensions: [{
values: [1, 2]
}, {
values: [2, 4]
}],
line: {color: 'blue'}
}], {
width: 300,
height: 200
})
.then(function() {
var rgb = getAvgPixelByChannel(testLayer);
expect(rgb[0]).toBe(0, 'no red');
expect(rgb[2]).not.toBe(0, 'all blue');
return Plotly.restyle(gd, 'line.color', 'red');
})
.then(function() {
var rgb = getAvgPixelByChannel(testLayer);
expect(rgb[0]).not.toBe(0, 'all red');
expect(rgb[2]).toBe(0, 'no blue');
})
.catch(failTest)
.then(done);
});
it('@gl line.color `Plotly.restyle` should not change context layer', function(done) {
var testLayer = '.gl-canvas-context';
var old_rgb, new_rgb;
Plotly.plot(gd, [{
type: 'parcoords',
dimensions: [{
values: [1, 2]
}, {
values: [2, 4]
}],
line: {color: 'blue'}
}], {
width: 300,
height: 200
})
.then(function() {
var rgb = getAvgPixelByChannel(testLayer);
old_rgb = rgb[0] + rgb[1] + rgb[2] / 3.0;
expect(old_rgb).toBeGreaterThan(0, 'not all black');
expect(old_rgb).toBeLessThan(255, 'not all white');
return Plotly.restyle(gd, 'line.color', 'red');
})
.then(function() {
var rgb = getAvgPixelByChannel(testLayer);
new_rgb = rgb[0] + rgb[1] + rgb[2] / 3.0;
expect(new_rgb).toBeGreaterThan(0, 'not all black');
expect(new_rgb).toBeLessThan(255, 'not all white');
expect(new_rgb).toBe(old_rgb, 'no change to context');
})
.catch(failTest)
.then(done);
});
});
describe('parcoords basic use', function() {
var mockCopy;
var gd;
beforeEach(function(done) {
mockCopy = Lib.extendDeep({}, mock);
mockCopy.data[0].domain = {
x: [0.1, 0.9],
y: [0.05, 0.85]
};
var hasGD = !!gd;
if(!hasGD) gd = createGraphDiv();
Plotly.react(gd, mockCopy)
.catch(failTest)
.then(done);
});
afterAll(purgeGraphDiv);
it('@gl should create three WebGL contexts per graph', function() {
var cnt = 0;
d3.select(gd).selectAll('canvas').each(function(d) {
if(d.regl) cnt++;
});
expect(cnt).toBe(3);
});
it('@gl `Plotly.plot` should have proper fields on `gd.data` on initial rendering', function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].dimensions.length).toEqual(11);
expect(document.querySelectorAll('.axis').length).toEqual(10); // one dimension is `visible: false`
expect(gd.data[0].line.cmin).toEqual(-4000);
expect(gd.data[0].dimensions[0].visible).not.toBeDefined();
expect(gd.data[0].dimensions[4].visible).toEqual(true);
expect(gd.data[0].dimensions[5].visible).toEqual(false);
expect(gd.data[0].dimensions[0].range).not.toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toEqual([100000, 150000]);
expect(gd.data[0].dimensions[1].range).toBeDefined();
expect(gd.data[0].dimensions[1].range).toEqual([0, 700000]);
expect(gd.data[0].dimensions[1].constraintrange).not.toBeDefined();
});
it('@gl Calling `Plotly.plot` again should add the new parcoords', function(done) {
var reversedMockCopy = Lib.extendDeep({}, mockCopy);
reversedMockCopy.data[0].dimensions = reversedMockCopy.data[0].dimensions.slice().reverse();
reversedMockCopy.data[0].dimensions.forEach(function(d) {d.id = 'R_' + d.id;});
reversedMockCopy.data[0].dimensions.forEach(function(d) {d.label = 'R_' + d.label;});
Plotly.plot(gd, reversedMockCopy.data, reversedMockCopy.layout).then(function() {
expect(gd.data.length).toEqual(2);
expect(gd.data[0].dimensions.length).toEqual(11);
expect(gd.data[0].line.cmin).toEqual(-4000);
expect(gd.data[0].dimensions[0].constraintrange).toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toEqual([100000, 150000]);
expect(gd.data[0].dimensions[1].constraintrange).not.toBeDefined();
expect(gd.data[1].dimensions.length).toEqual(11);
expect(gd.data[1].line.cmin).toEqual(-4000);
expect(gd.data[1].dimensions[10].constraintrange).toBeDefined();
expect(gd.data[1].dimensions[10].constraintrange).toEqual([100000, 150000]);
expect(gd.data[1].dimensions[1].constraintrange).not.toBeDefined();
expect(document.querySelectorAll('.axis').length).toEqual(20); // one dimension is `visible: false`
})
.catch(failTest)
.then(done);
});
it('@gl Calling `Plotly.restyle` with a string path to colorscale should amend the preexisting parcoords', function(done) {
expect(gd.data.length).toEqual(1);
Plotly.restyle(gd, 'line.colorscale', 'Viridis').then(function() {
expect(gd.data.length).toEqual(1);
expect(gd.data[0].line.colorscale).toEqual('Viridis');
expect(gd.data[0].dimensions.length).toEqual(11);
expect(gd.data[0].line.cmin).toEqual(-4000);
expect(gd.data[0].dimensions[0].constraintrange).toBeDefined();
expect(gd.data[0].dimensions[0].constraintrange).toEqual([100000, 150000]);
expect(gd.data[0].dimensions[1].constraintrange).not.toBeDefined();
})
.catch(failTest)
.then(done);
});
it('@gl Calling `Plotly.restyle` for a dimension should amend the preexisting dimension', function(done) {
function restyleDimension(key, setterValue) {
// array values need to be wrapped in an array; unwrapping here for value comparison
var value = Array.isArray(setterValue) ? setterValue[0] : setterValue;
return function() {
return Plotly.restyle(gd, 'dimensions[2].' + key, setterValue).then(function() {
expect(gd.data[0].dimensions[2][key]).toEqual(value, 'for dimension attribute \'' + key + '\'');
});
};
}
restyleDimension('label', 'new label')()
.then(restyleDimension('tickvals', [[0, 0.1, 0.4, 1, 2]]))
.then(restyleDimension('ticktext', [['alpha', 'gamma', 'beta', 'omega', 'epsilon']]))
.then(restyleDimension('tickformat', '4s'))
.then(restyleDimension('range', [[0, 2]]))