(re)adding tests, migration

test/scoring.js

@@ -0,0 +1,118 @@
+global.self = global;
+const env = process.argv[3];
+import { expect } from "chai";
+let FlexSearch = await import(env ? "../dist/" + env + ".js" : "../src/bundle.js");
+if(FlexSearch.default) FlexSearch = FlexSearch.default;
+if(FlexSearch.FlexSearch) FlexSearch = FlexSearch.FlexSearch;
+const { Index, Document, Worker, Charset: _Charset, Encoder, Resolver } = FlexSearch;
+const build_light = env && env.includes(".light");
+const build_compact = env && env.includes(".compact");
+const build_esm = !env || env.startsWith("module");
+const Charset = _Charset || (await import("../src/charset.js")).default;
+
+describe("Scoring", function(){
+
+    it("Should have been sorted by relevance properly", function(){
+
+        let index = new Index({
+            tokenize: "strict",
+            resolution: 10
+        });
+
+        index.add(0, "1 2 3 2 4 1 5 3");
+        index.add(1, "zero one two three four five six seven eight nine ten");
+        index.add(2, "four two zero one three ten five seven eight six nine");
+
+        expect(index.search("1")).to.eql([0]);
+        expect(index.search("one")).to.eql([1, 2]);
+        expect(index.search("one two")).to.eql([1, 2]);
+        expect(index.search("four one")).to.eql([2, 1]);
+
+        index = new Index({
+            tokenize: "strict",
+            context: {
+                depth: 3,
+                bidirectional: false
+            }
+        });
+
+        index.add(0, "1 2 3 2 4 1 5 3");
+        index.add(1, "zero one two three four five six seven eight nine ten");
+        index.add(2, "four two zero one three ten five seven eight six nine");
+
+        expect(index.search("1")).to.eql([0]);
+        expect(index.search("one")).to.eql([1, 2]);
+        expect(index.search("one two")).to.eql([2]); // 1: no bi-directional
+        expect(index.search("four one")).to.eql([1]); // 2: no bi-directional
+
+        index = new Index({
+            tokenize: "strict",
+            context: {
+                depth: 3,
+                bidirectional: true
+            }
+        });
+
+        index.add(0, "1 2 3 2 4 1 5 3");
+        index.add(1, "zero one two three four five six seven eight nine ten");
+        index.add(2, "five two zero one three four ten seven eight six nine");
+
+        expect(index.search("1 3 4")).to.eql([0]);
+        expect(index.search("1 5 3 4")).to.eql([0]);
+        expect(index.search("1 3 4 7")).to.have.lengthOf(0);
+        expect(index.search("one")).to.eql([1, 2]);
+        expect(index.search("one three")).to.eql([1, 2]);
+        expect(index.search("three one")).to.eql([1, 2]);
+        expect(index.search("zero five one ten")).to.eql([2]);
+        expect(index.search("zero two one three two five")).to.eql([1]);
+        expect(index.search("one zero two one zero three")).to.eql([1, 2]);
+        // todo context chain
+        //expect(index.search("zero two one three two five")).to.eql([1, 2]);
+    });
+});
+
+describe("Suggestions", function(){
+
+    it("Should have been suggested properly by relevance", function(){
+
+        let index = new Index({ tokenize: "strict" });
+
+        index.add(0, "1 2 3 2 4 1 5 3");
+        index.add(1, "zero one two three four five six seven eight nine ten");
+        index.add(2, "four two zero one three ten five seven eight six nine");
+
+        expect(index.search("1 3 4 7", { suggest: false })).to.have.lengthOf(0);
+        expect(index.search("1 3 4 7", { suggest: true })).to.eql([0]);
+        expect(index.search("1 3 9 7", { suggest: true })).to.eql([0]);
+
+        expect(index.search("foobar one two", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("foobar one four", { suggest: true })).to.eql([2, 1]);
+        expect(index.search("one foobar two", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("one two foobar", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("zero one foobar two foobar", { suggest: true })).to.eql([1, 2]);
+    });
+
+    it("Should have been suggested properly by context", function(){
+
+        let index = new Index({
+            tokenize: "strict",
+            context: {
+                depth: 3,
+                bidirectional: true
+            }
+        });
+
+        index.add(1, "zero one two three four five six seven eight nine ten");
+        index.add(2, "four two zero one three ten five seven eight six nine");
+
+        expect(index.search("foobar one", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("foobar two", { suggest: true })).to.eql([2, 1]);
+        expect(index.search("foobar foobar foobar one foobar two foobar foobar", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("foobar foobar foobar two foobar one foobar foobar", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("foobar one two", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("one foobar two", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("one two foobar", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("foobar one foobar two foobar", { suggest: true })).to.eql([1, 2]);
+        expect(index.search("zero one foobar two foobar", { suggest: true })).to.eql([1, 2]);
+    });
+});