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https://github.com/Jermolene/TiddlyWiki5
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Tests for filter prefixes (#5209)
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@ -13,12 +13,12 @@ module-type: filterrunprefix
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/*
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Export our filter function
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*/
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exports.filter = function(operationSubFunction) {
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exports.filter = function(operationSubFunction,options) {
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return function(results,source,widget) {
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if(results.length > 0) {
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var resultsToRemove = [];
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$tw.utils.each(results,function(result) {
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var filtered = operationSubFunction($tw.wiki.makeTiddlerIterator([result]),widget);
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var filtered = operationSubFunction(options.wiki.makeTiddlerIterator([result]),widget);
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if(filtered.length === 0) {
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resultsToRemove.push(result);
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}
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113
editions/test/tiddlers/tests/test-prefixes-filter.js
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113
editions/test/tiddlers/tests/test-prefixes-filter.js
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@ -0,0 +1,113 @@
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/*\
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title: test-prefixes-filters.js
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type: application/javascript
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tags: [[$:/tags/test-spec]]
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Tests the reduce prefix and filter.
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\*/
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(function(){
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/* jslint node: true, browser: true */
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/* eslint-env node, browser, jasmine */
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/* eslint no-mixed-spaces-and-tabs: ["error", "smart-tabs"]*/
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/* global $tw, require */
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"use strict";
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describe("'reduce' and 'intersection' filter prefix tests", function() {
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var wiki = new $tw.Wiki();
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wiki.addTiddler({
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title: "Brownies",
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text: "//This is a sample shopping list item for the [[Shopping List Example]]//",
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tags: ["shopping","food"],
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price: "4.99",
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quantity: "1"
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});
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wiki.addTiddler({
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title: "Chick Peas",
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text: "//This is a sample shopping list item for the [[Shopping List Example]]//",
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tags: ["shopping","food"],
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price: "1.32",
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quantity: "5"
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});
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wiki.addTiddler({
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title: "Milk",
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text: "//This is a sample shopping list item for the [[Shopping List Example]]//",
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tags: ["shopping", "dairy", "drinks"],
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price: "0.46",
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quantity: "12"
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});
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wiki.addTiddler({
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title: "Rice Pudding",
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price: "2.66",
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quantity: "4",
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tags: ["shopping", "dairy"],
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text: "//This is a sample shopping list item for the [[Shopping List Example]]//"
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});
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wiki.addTiddler({
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title: "Sparkling water",
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tags: ["drinks", "mineral water", "textexample"],
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text: "This is some text"
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});
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wiki.addTiddler({
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title: "Red wine",
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tags: ["drinks", "wine", "textexample"],
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text: "This is some more text"
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});
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wiki.addTiddler({
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title: "Cheesecake",
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tags: ["cakes", "food", "textexample"],
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text: "This is even even even more text"
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});
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wiki.addTiddler({
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title: "Chocolate Cake",
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tags: ["cakes", "food", "textexample"],
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text: "This is even more text"
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});
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it("should handle the :reduce filter prefix", function() {
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expect(wiki.filterTiddlers("[tag[shopping]] :reduce[get[quantity]add<accumulator>]").join(",")).toBe("22");
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expect(wiki.filterTiddlers("[tag[shopping]] :reduce[get[price]multiply{!!quantity}add<accumulator>]").join(",")).toBe("27.75");
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expect(wiki.filterTiddlers("[tag[shopping]] :reduce[<index>compare:number:gt[0]then<accumulator>addsuffix[, ]addsuffix<currentTiddler>else<currentTiddler>]").join(",")).toBe("Brownies, Chick Peas, Milk, Rice Pudding");
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expect(wiki.filterTiddlers("[tag[non-existent]] :reduce[get[price]multiply{!!quantity}add<accumulator>] :else[[0]]").join(",")).toBe("0");
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});
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it("should handle the reduce operator", function() {
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var widget = require("$:/core/modules/widgets/widget.js");
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var rootWidget = new widget.widget({ type:"widget", children:[ {type:"widget", children:[]} ] },
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{ wiki:wiki, document:$tw.document});
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rootWidget.makeChildWidgets();
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var anchorWidget = rootWidget.children[0];
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rootWidget.setVariable("add-price","[get[price]multiply{!!quantity}add<accumulator>]");
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rootWidget.setVariable("num-items","[get[quantity]add<accumulator>]");
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rootWidget.setVariable("join-with-commas","[<index>compare:number:gt[0]then<accumulator>addsuffix[, ]addsuffix<currentTiddler>else<currentTiddler>]");
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expect(wiki.filterTiddlers("[tag[shopping]reduce<num-items>]",anchorWidget).join(",")).toBe("22");
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expect(wiki.filterTiddlers("[tag[shopping]reduce<add-price>]",anchorWidget).join(",")).toBe("27.75");
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expect(wiki.filterTiddlers("[tag[shopping]reduce<join-with-commas>]",anchorWidget).join(",")).toBe("Brownies, Chick Peas, Milk, Rice Pudding");
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expect(wiki.filterTiddlers("[tag[non-existent]reduce<add-price>,[0]]",anchorWidget).join(",")).toBe("0");
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});
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it("should handle the :intersection prefix", function() {
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expect(wiki.filterTiddlers("[[Sparkling water]tags[]] :intersection[[Red wine]tags[]]").join(",")).toBe("drinks,textexample");
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expect(wiki.filterTiddlers("[[Brownies]tags[]] :intersection[[Chocolate Cake]tags[]]").join(",")).toBe("food");
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expect(wiki.filterTiddlers("[tag[shopping]] :intersection[tag[food]]").join(",")).toBe("Brownies,Chick Peas");
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expect(wiki.filterTiddlers("[tag[shopping]] :intersection[tag[drinks]]").join(",")).toBe("Milk");
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expect(wiki.filterTiddlers("[tag[shopping]] :intersection[tag[wine]]").join(",")).toBe("");
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});
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it("should handle the :filter prefix and filter operator", function() {
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var widget = require("$:/core/modules/widgets/widget.js");
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var rootWidget = new widget.widget({ type:"widget", children:[ {type:"widget", children:[]} ] },
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{ wiki:wiki, document:$tw.document});
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rootWidget.makeChildWidgets();
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var anchorWidget = rootWidget.children[0];
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rootWidget.setVariable("larger-than-18","[get[text]length[]compare:integer:gteq[18]]");
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expect(wiki.filterTiddlers("[tag[textexample]] :filter[get[text]length[]compare:integer:gteq[18]]",anchorWidget).join(",")).toBe("Red wine,Cheesecake,Chocolate Cake");
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expect(wiki.filterTiddlers("[tag[textexample]]",anchorWidget).join(",")).toBe("Sparkling water,Red wine,Cheesecake,Chocolate Cake");
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expect(wiki.filterTiddlers("[tag[textexample]filter<larger-than-18>]",anchorWidget).join(",")).toBe("Red wine,Cheesecake,Chocolate Cake");
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})
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});
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})();
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