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annotate src/suffixLabels.test.ts @ 90:6077fdc9ed44

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author drewp@bigasterisk.com
date Wed, 12 Jan 2022 16:54:15 -0800
parents 45ed53428e74
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1 import { SuffixLabels } from './suffixLabels';
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3 describe('_tailSegments', () => {
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4 it("returns right amount", () => {
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5 expect(SuffixLabels._tailSegments('http://foo/a/bb', 0)).toEqual('');
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6 expect(SuffixLabels._tailSegments('http://foo/a/bb', 1)).toEqual('bb');
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7 expect(SuffixLabels._tailSegments('http://foo/a/bb', 2)).toEqual('a/bb');
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8 expect(SuffixLabels._tailSegments('http://foo/a/bb', 3)).toEqual('foo/a/bb');
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9 expect(SuffixLabels._tailSegments('http://foo/a/bb', 4)).toEqual('/foo/a/bb');
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10 expect(SuffixLabels._tailSegments('http://foo/a/bb', 5)).toEqual('http://foo/a/bb');
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11 });
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12 it("_tailSegments ok with trailing slash", () => {
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13 expect(SuffixLabels._tailSegments('http://foo/', 0)).toEqual('');
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14 expect(SuffixLabels._tailSegments('http://foo/', 1)).toEqual('');
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15 expect(SuffixLabels._tailSegments('http://foo/', 2)).toEqual('foo/');
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16 });
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17 });
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19 describe("suffixLabels", () => {
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20 const fakeNode = (uri: string) => { return { nominalValue: uri } };
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22 it("returns whole url segments", () => {
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23 const suf = new SuffixLabels();
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24 suf._planDisplayForUri('http://a/b/c/dd');
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25 suf._planDisplayForUri('http://a/b/c/ee');
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27 expect(suf.getLabelForNode('http://a/b/c/dd')).toEqual('dd');
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28 expect(suf.getLabelForNode('http://a/b/c/ee')).toEqual('ee');
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29 });
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31 it("doesn't treat a repeated uri as a name clash", () => {
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32 const suf = new SuffixLabels();
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33 suf._planDisplayForUri('http://a/b/c');
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34 suf._planDisplayForUri('http://a/b/c');
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36 expect(suf.getLabelForNode('http://a/b/c')).toEqual('c');
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37 });
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39 it("moves to two segments when needed", () => {
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40 const suf = new SuffixLabels();
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41 suf._planDisplayForUri('http://a/b/c/d');
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42 suf._planDisplayForUri('http://a/b/f/d');
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44 expect(suf.getLabelForNode('http://a/b/c/d')).toEqual('c/d');
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45 expect(suf.getLabelForNode('http://a/b/f/d')).toEqual('f/d');
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46 });
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48 it("is ok with clashes at different segment positions", () => {
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49 const suf = new SuffixLabels();
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50 suf._planDisplayForUri('http://z/z/z/a/b/c');
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51 suf._planDisplayForUri('http://a/b/c');
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53 expect(suf.getLabelForNode('http://z/z/z/a/b/c')).toEqual('z/a/b/c');
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54 expect(suf.getLabelForNode('http://a/b/c')).toEqual('/a/b/c');
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55 });
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57 it("uses appropriately long suffixes per uri", () => {
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58 const suf = new SuffixLabels();
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59 suf._planDisplayForUri('http://a/b/c/d/e');
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60 suf._planDisplayForUri('http://a/b/f/d/e');
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61 suf._planDisplayForUri('http://a/b/c/g');
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62 suf._planDisplayForUri('http://a/z');
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64 expect(suf.getLabelForNode('http://a/b/c/d/e')).toEqual('c/d/e');
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65 expect(suf.getLabelForNode('http://a/b/f/d/e')).toEqual('f/d/e');
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66 expect(suf.getLabelForNode('http://a/b/c/g')).toEqual('g');
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67 expect(suf.getLabelForNode('http://a/z')).toEqual('z');
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68 });
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70 });