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line-test.js
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line-test.js
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var vows = require("vows"),
load = require("../load"),
assert = require("assert");
var suite = vows.describe("mpld3.Line");
suite.addBatch({
"Line": {
topic: load("elements/line").document(),
"A simple Line": {
topic: function(mpld3) {
var fig_props = {
width: 400,
height: 300
};
var ax_props = {
xlim: [0, 1],
ylim: [2, 3]
};
var line_props = {
data: [[0, 2], [1, 3], [2, 4]]
};
var fig = new mpld3.Figure("chart", fig_props);
var ax = new mpld3.Axes(fig, ax_props);
var line = new mpld3.Line(ax, line_props);
ax.elements.push(line);
fig.axes.push(ax);
fig.draw();
return line;
},
"returns the expected SVG path": function(line) {
assert.equal(line.datafunc(line.data, line.pathcodes),
"M0,240L320,0L640,-240")
}
},
"Line with NaNs": {
topic: function(mpld3) {
var fig_props = {
width: 400,
height: 300
};
var ax_props = {
xlim: [0, 1],
ylim: [2, 3]
};
var line_props = {
data: [[0, 2], [1, NaN], [2, 4]]
};
var fig = new mpld3.Figure("chart", fig_props);
var ax = new mpld3.Axes(fig, ax_props);
var line = new mpld3.Line(ax, line_props);
ax.elements.push(line);
fig.axes.push(ax);
fig.draw();
return line;
},
"returns the expected SVG path": function(line) {
assert.equal(line.datafunc(line.data, line.pathcodes),
"M0,240M640,-240")
}
},
"Line with Infs": {
topic: function(mpld3) {
var fig_props = {
width: 400,
height: 300
};
var ax_props = {
xlim: [0, 1],
ylim: [2, 3]
};
var line_props = {
data: [[0, 2], [1, Infinity], [2, 4]]
};
var fig = new mpld3.Figure("chart", fig_props);
var ax = new mpld3.Axes(fig, ax_props);
var line = new mpld3.Line(ax, line_props);
ax.elements.push(line);
fig.axes.push(ax);
fig.draw();
return line;
},
"returns the expected SVG path": function(line) {
assert.equal(line.datafunc(line.data, line.pathcodes),
"M0,240M640,-240")
}
}
}
});
suite.export(module);