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tubestation/browser/devtools/shared/test/browser_graphs-02.js

72 lines
2.5 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Tests that graph widgets can properly add data and regions.
const TEST_DATA = {"112":48,"213":59,"313":60,"413":59,"530":59,"646":58,"747":60,"863":48,"980":37,"1097":30,"1213":29,"1330":23,"1430":10,"1534":17,"1645":20,"1746":22,"1846":39,"1963":26,"2080":27,"2197":35,"2312":47,"2412":53,"2514":60,"2630":37,"2730":36,"2830":37,"2946":36,"3046":40,"3163":47,"3280":41,"3380":35,"3480":27,"3580":39,"3680":42,"3780":49,"3880":55,"3980":60,"4080":60,"4180":60};
const TEST_REGIONS = [{ start: 320, end: 460 }, { start: 780, end: 860 }];
let {LineGraphWidget} = Cu.import("resource:///modules/devtools/Graphs.jsm", {});
let {DOMHelpers} = Cu.import("resource:///modules/devtools/DOMHelpers.jsm", {});
let {Promise} = devtools.require("resource://gre/modules/Promise.jsm");
let {Hosts} = devtools.require("devtools/framework/toolbox-hosts");
let test = Task.async(function*() {
yield promiseTab("about:blank");
yield performTest();
gBrowser.removeCurrentTab();
finish();
});
function* performTest() {
let [host, win, doc] = yield createHost();
let graph = new LineGraphWidget(doc.body, "fps");
yield graph.once("ready");
testGraph(graph);
graph.destroy();
host.destroy();
}
function testGraph(graph) {
let thrown1;
try {
graph.setRegions(TEST_REGIONS);
} catch (e) {
thrown1 = true;
}
ok(thrown1, "Setting regions before setting data shouldn't work.");
graph.setData(TEST_DATA);
graph.setRegions(TEST_REGIONS);
let thrown2;
try {
graph.setRegions(TEST_REGIONS);
} catch (e) {
thrown2 = true;
}
ok(thrown2, "Setting regions twice shouldn't work.");
ok(graph.hasData(), "The graph should now have the data source set.");
ok(graph.hasRegions(), "The graph should now have the regions set.");
is(graph.dataScaleX,
graph.width / 4180, // last key in TEST_DATA
"The data scale on the X axis is correct.");
is(graph.dataScaleY,
graph.height / 60 * 0.85, // max value in TEST_DATA * GRAPH_DAMPEN_VALUES
"The data scale on the Y axis is correct.");
for (let i = 0; i < TEST_REGIONS.length; i++) {
let original = TEST_REGIONS[i];
let normalized = graph._regions[i];
is(original.start * graph.dataScaleX, normalized.start,
"The region's start value was properly normalized.");
is(original.end * graph.dataScaleX, normalized.end,
"The region's end value was properly normalized.");
}
}