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[Plot] Fill in specs

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Fill in specs for elements used by the PlotController
in order to improve coverage of the plot bundle.
WTD-533.
This commit is contained in:
Victor Woeltjen
2014-12-02 10:11:46 -08:00
parent ae05ed903b
commit 2f475fc17a
8 changed files with 348 additions and 25 deletions
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66
platform/features/plot/test/elements/PlotPanZoomStackSpec.js
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@ -9,6 +9,72 @@ define(
"use strict";
describe("A plot pan-zoom stack", function () {
var panZoomStack,
initialOrigin,
initialDimensions,
otherOrigins,
otherDimensions;
// Shorthand for verifying getOrigin, getDimensions, and getPanZoom,
// which should always agree.
function verifyPanZoom(origin, dimensions) {
expect(panZoomStack.getOrigin()).toEqual(origin);
expect(panZoomStack.getDimensions()).toEqual(dimensions);
expect(panZoomStack.getPanZoom()).toEqual({
origin: origin,
dimensions: dimensions
});
}
beforeEach(function () {
initialOrigin = [ 4, 2 ];
initialDimensions = [ 600, 400 ];
otherOrigins = [ [8, 6], [12, 9] ];
otherDimensions = [ [400, 300], [200, 300] ];
panZoomStack =
new PlotPanZoomStack(initialOrigin, initialDimensions);
});
it("starts off reporting its initial values", function () {
verifyPanZoom(initialOrigin, initialDimensions);
});
it("allows origin/dimensions pairs to be pushed/popped", function () {
panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
verifyPanZoom(otherOrigins[0], otherDimensions[0]);
panZoomStack.pushPanZoom(otherOrigins[1], otherDimensions[1]);
verifyPanZoom(otherOrigins[1], otherDimensions[1]);
panZoomStack.popPanZoom();
verifyPanZoom(otherOrigins[0], otherDimensions[0]);
panZoomStack.popPanZoom();
verifyPanZoom(initialOrigin, initialDimensions);
});
it("reports current stack depth", function () {
expect(panZoomStack.getDepth()).toEqual(1);
panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
expect(panZoomStack.getDepth()).toEqual(2);
panZoomStack.pushPanZoom(otherOrigins[1], otherDimensions[1]);
expect(panZoomStack.getDepth()).toEqual(3);
});
it("allows base pan zoom to be restored", function () {
panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
panZoomStack.pushPanZoom(otherOrigins[1], otherDimensions[1]);
panZoomStack.clearPanZoom();
verifyPanZoom(initialOrigin, initialDimensions);
});
it("allows base pan zoom to be changed", function () {
panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
panZoomStack.setBasePanZoom(otherOrigins[1], otherDimensions[1]);
// Should not have changed current top-of-stack
verifyPanZoom(otherOrigins[0], otherDimensions[0]);
// Clear the stack - should be at our new base pan-zoom state
panZoomStack.clearPanZoom();
verifyPanZoom(otherOrigins[1], otherDimensions[1]);
});
});
}
);