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Factor out looping and reopening viewer into a helper method, based on Ian's example.

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This commit is contained in:
nein09 2014-12-14 13:15:50 -08:00
parent e901248816
commit aebfecb4e8
1 changed files with 80 additions and 144 deletions
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224
test/viewport.js
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@ -52,20 +52,45 @@
new OpenSeadragon.Rect(1, 1, 1, 1) new OpenSeadragon.Rect(1, 1, 1, 1)
]; ];
// ---------- // Test helper - a lot of these tests loop through a few possible
/* // values for zoom levels, and reopen the viewer for each iteration.
asyncTest('template', function() { var reopenViewerHelper = function(config) {
var expected, level, actual, i = 0;
var openHandler = function(event) { var openHandler = function(event) {
viewer.removeHandler('open', openHandler); viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport; var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true); expected = config.processExpected(level, expected);
actual = viewport[config.method]();
start(); propEqual(
actual,
expected,
"Test " + config.method + " with zoom level of " + level + ". Expected : " + expected + ", got " + actual
);
i++;
if(i < testZoomLevels.length){
level = expected = testZoomLevels[i];
var viewerConfig = {
id: VIEWER_ID,
prefixUrl: PREFIX_URL,
springStiffness: SPRING_STIFFNESS
};
viewerConfig[config.property] = level;
viewer = OpenSeadragon(viewerConfig);
viewer.addHandler('open', openHandler);
viewer.open(DZI_PATH);
} else {
start();
}
}; };
viewer.addHandler('open', openHandler); viewer.addHandler('open', openHandler);
level = expected = testZoomLevels[i];
viewer[config.property] = level;
viewer.open(DZI_PATH); viewer.open(DZI_PATH);
}); };
*/
// Tests start here.
asyncTest('getContainerSize', function() { asyncTest('getContainerSize', function() {
var openHandler = function(event) { var openHandler = function(event) {
viewer.removeHandler('open', openHandler); viewer.removeHandler('open', openHandler);
@ -119,159 +144,70 @@
}); });
asyncTest('getMinZoom', function() { asyncTest('getMinZoom', function() {
var expected, level, i = 0; reopenViewerHelper({
var openHandler = function(event) { property: 'minZoomLevel',
viewer.removeHandler('open', openHandler); method: 'getMinZoom',
var viewport = viewer.viewport; processExpected: function(level, expected){
if(level === 0) { // 0 means use the default
if(level === 0) { // 0 means use the default expected = 0.9;
expected = 0.9; } else if(level > 1) {
} else if(level > 1){ expected = 1; // min zoom won't go bigger than 1.
expected = 1; // min zoom won't go bigger than 1. }
return expected;
} }
});
equal(
viewport.getMinZoom(),
expected,
"Test getMinZoom with zoom level of " + level
);
i++;
if(i < testZoomLevels.length){
level = expected = testZoomLevels[i];
viewer = OpenSeadragon({
id: VIEWER_ID,
prefixUrl: PREFIX_URL,
springStiffness: SPRING_STIFFNESS,
minZoomLevel: level
});
viewer.addHandler('open', openHandler);
viewer.open(DZI_PATH);
} else {
start();
}
};
viewer.addHandler('open', openHandler);
level = expected = testZoomLevels[i];
viewer.minZoomLevel = level;
viewer.open(DZI_PATH);
}); });
asyncTest('getMaxZoom', function() { asyncTest('getMaxZoom', function() {
var expected, level, i = 0; reopenViewerHelper({
var openHandler = function(event) { property: 'maxZoomLevel',
viewer.removeHandler('open', openHandler); method: 'getMaxZoom',
var viewport = viewer.viewport; processExpected: function(level, expected) {
if(level === 0){ // 0 means use the default
if(level === 0){ // 0 means use the default expected = 2.2;
expected = 2.2; } else if(level < 1){
} else if(level < 1){ expected = 1; // max zoom won't go smaller than 1.
expected = 1; // max zoom won't go smaller than 1. }
return expected;
} }
equal( });
viewport.getMaxZoom(),
expected,
"Test getMaxZoom with zoom level of " + level
);
i++;
if(i < testZoomLevels.length){
level = expected = testZoomLevels[i];
viewer = OpenSeadragon({
id: VIEWER_ID,
prefixUrl: PREFIX_URL,
springStiffness: SPRING_STIFFNESS,
maxZoomLevel: level
});
viewer.addHandler('open', openHandler);
viewer.open(DZI_PATH);
} else {
start();
}
};
viewer.addHandler('open', openHandler);
level = expected = testZoomLevels[i];
viewer.maxZoomLevel = level;
viewer.open(DZI_PATH);
}); });
asyncTest('getHomeBounds', function() { asyncTest('getHomeBounds', function() {
var expected, i = 0; reopenViewerHelper({
var openHandler = function(event) { property: 'defaultZoomLevel',
viewer.removeHandler('open', openHandler); method: 'getHomeBounds',
var viewport = viewer.viewport; processExpected: function(level, expected) {
viewport.zoomTo(ZOOM_FACTOR, null, true); // Have to special case this to avoid dividing by 0
viewport.update(); // need to call this even with immediately=true if(level === 0){
expected = new OpenSeadragon.Rect(0, 0, 1, 1);
// Have to special case this to avoid dividing by 0 } else {
if(testZoomLevels[i] === 0){ var sideLength = 1.0 / viewer.defaultZoomLevel; // it's a square in this case
expected = new OpenSeadragon.Rect(0, 0, 1, 1); var position = 0.5 - (sideLength / 2.0);
} else { expected = new OpenSeadragon.Rect(position, position, sideLength, sideLength);
var sideLength = 1.0 / viewer.defaultZoomLevel; // it's a square in this case }
var position = 0.5 - (sideLength / 2.0); return expected;
expected = new OpenSeadragon.Rect(position, position, sideLength, sideLength);
} }
propEqual( });
viewport.getHomeBounds(),
expected,
"Test getHomeBounds with default zoom level of " + viewer.defaultZoomLevel
);
i++;
if(i < testZoomLevels.length){
viewer = OpenSeadragon({
id: VIEWER_ID,
prefixUrl: PREFIX_URL,
springStiffness: SPRING_STIFFNESS,
defaultZoomLevel: testZoomLevels[i]
});
viewer.addHandler('open', openHandler);
viewer.open(DZI_PATH);
} else {
start();
}
};
viewer.addHandler('open', openHandler);
viewer.defaultZoomLevel = testZoomLevels[i];
viewer.open(DZI_PATH);
}); });
asyncTest('getHomeZoom', function() { asyncTest('getHomeZoom', function() {
var expected, i = 0; reopenViewerHelper({
var openHandler = function(event) { property: 'defaultZoomLevel',
viewer.removeHandler('open', openHandler); method: 'getHomeZoom',
var viewport = viewer.viewport; processExpected: function(level, expected){
viewport.zoomTo(ZOOM_FACTOR, null, true); // If the default zoom level is set to 0, then we expect the home zoom to be 1.
viewport.update(); // need to call this even with immediately=true if(expected === 0){
expected = 1;
// If the default zoom level is set to 0, then we expect the home zoom to be 1. }
if(expected === 0){ return expected;
expected = 1;
} }
equal( });
viewport.getHomeZoom(),
expected,
"Test getHomeZoom with default zoom level of " + expected
);
i++;
if(i < testZoomLevels.length){
expected = testZoomLevels[i];
viewer = OpenSeadragon({
id: VIEWER_ID,
prefixUrl: PREFIX_URL,
springStiffness: SPRING_STIFFNESS,
defaultZoomLevel: expected
});
viewer.addHandler('open', openHandler);
viewer.open(DZI_PATH);
} else {
start();
}
};
viewer.addHandler('open', openHandler);
expected = testZoomLevels[i];
viewer.defaultZoomLevel = expected;
viewer.open(DZI_PATH);
}); });
// I don't use the helper for this one because it sets a couple more
// properties that would need a lot of special casing.
asyncTest('getHomeZoomWithHomeFillsViewer', function() { asyncTest('getHomeZoomWithHomeFillsViewer', function() {
var expected, level, i = 0; var expected, level, i = 0;
var openHandler = function(event) { var openHandler = function(event) {