Mercurial > code > home > repos > streamed-graph
annotate src/layout/Layout.test.ts @ 116:dd3325cc023e
multiple table support in Layout
| author | drewp@bigasterisk.com |
|---|---|
| date | Sat, 19 Mar 2022 17:23:04 -0700 |
| parents | 4b33a479dc2f |
| children | c2923b20bf5c |
| rev | line source |
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1 import { Quad, Store, Term } from "n3"; |
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2 import { n3Graph } from "./fetchAndParse"; |
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3 import { AlignedTable, Layout, LayoutResult } from "./Layout"; |
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4 import { EX, rdf } from "./namespaces"; |
| 103 | 5 import { ViewConfig } from "./ViewConfig"; |
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6 |
| 103 | 7 const twoStatements = async (): Promise<Store> => { |
| 8 return n3Graph(` | |
| 9 @prefix : <http://example.com/> . | |
| 10 :g1 { | |
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11 :a0 :b0 :c0 . |
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12 :d0 :e0 :f0 . |
| 103 | 13 } |
| 14 `); | |
| 15 }; | |
| 16 | |
| 17 const typedStatements = async (): Promise<Store> => { | |
| 18 return n3Graph(` | |
| 19 @prefix : <http://example.com/> . | |
| 20 :g1 { | |
| 21 :a a :T1 ; :color :red . | |
| 22 :b a :T1 ; :color :blue . | |
| 23 :c a :T1 . | |
| 24 :d a :T2 ; :size :big . | |
| 25 :e a :T1,:T2; :size :small | |
| 26 } | |
| 27 `); | |
| 28 }; | |
| 29 function G1(s: Term, p: Term, o: Term): Quad { | |
| 30 return new Quad(s, p, o, EX("g1")); | |
| 31 } | |
| 32 | |
| 33 describe("Layout", () => { | |
| 34 it("accepts a ViewConfig", async () => { | |
| 35 const vc = new ViewConfig(); | |
| 36 await vc.readFromGraph(` | |
| 37 @prefix ex: <http://example.com/> . | |
| 38 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . | |
| 39 | |
| 40 <> a ex:View; rdfs:label "repos" .`); | |
| 41 const layout = new Layout(vc); | |
| 42 const lr = layout.plan(await twoStatements()); | |
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43 }); |
| 116 | 44 it("returns no sections for empty graph", () => { |
| 45 const vc = new ViewConfig(); | |
| 46 const layout = new Layout(vc); | |
| 47 const lr = layout.plan(new Store()); | |
| 48 expect(lr.sections).toHaveLength(0); | |
| 49 }); | |
| 103 | 50 it("defaults to putting all triples in the ungrouped list", async () => { |
| 51 const layout = new Layout(); | |
| 52 const lr = layout.plan(await twoStatements()); | |
| 53 expect(lr).toEqual({ | |
| 54 sections: [ | |
| 55 { | |
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56 subjRows: [ |
| 109 | 57 { |
| 58 subj: EX("a0"), | |
| 59 predRows: [{ pred: EX("b0"), objs: [EX("c0")] }], | |
| 60 }, | |
| 61 { | |
| 62 subj: EX("d0"), | |
| 63 predRows: [{ pred: EX("e0"), objs: [EX("f0")] }], | |
| 64 }, | |
| 103 | 65 ], |
| 66 }, | |
| 67 ], | |
| 68 }); | |
| 69 }); | |
| 70 describe("makes a table as requested by ViewConfig", () => { | |
| 71 let lr: LayoutResult; | |
| 72 | |
| 73 beforeAll(async () => { | |
| 74 const vc = new ViewConfig(); | |
| 75 await vc.readFromGraph(` | |
| 76 @prefix : <http://example.com/> . | |
| 77 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . | |
| 78 | |
| 79 <> a :View; :table [ :primaryType :T1 ] .`); | |
| 80 const layout = new Layout(vc); | |
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81 lr = layout.plan(await typedStatements()); |
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82 }); |
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83 it("returns 2 sections", () => { |
| 103 | 84 expect(lr.sections).toHaveLength(2); |
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85 }); |
| 103 | 86 it("puts the right type in the table", async () => { |
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87 const sec0 = lr.sections[0] as AlignedTable; |
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88 expect(sec0.columnHeaders).toEqual([ |
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89 { rdfType: EX("T1"), pred: EX("color") }, |
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90 { rdfType: EX("T1"), pred: EX("size") }, |
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91 // and doesn't include rdf:type as a column header here |
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92 ]); |
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93 expect(sec0.rowHeaders).toEqual([EX("a"), EX("b"), EX("c"), EX("e")]); |
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94 expect(sec0.rows).toEqual([ |
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95 [[EX("red")], []], |
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96 [[EX("blue")], []], |
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97 [[], []], |
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98 [[], [EX("small")]], |
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99 ]); |
| 103 | 100 }); |
| 101 it("leaves the rest ungrouped", async () => { | |
| 102 expect(lr.sections[1]).toEqual({ | |
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103 subjRows: [ |
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104 { |
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105 subj: EX("d"), |
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106 predRows: [ |
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107 { pred: EX("size"), objs: [EX("big")] }, |
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108 { pred: rdf.type, objs: [EX("T2")] }, |
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109 ], |
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110 }, |
| 103 | 111 ], |
| 112 }); | |
| 113 }); | |
| 114 }); | |
| 116 | 115 it("makes two tables", async () => { |
| 116 const vc = new ViewConfig(); | |
| 117 await vc.readFromGraph(` | |
| 118 @prefix ex: <http://example.com/> . | |
| 119 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . | |
| 120 @prefix : <http://example.com/> . | |
| 121 | |
| 122 <> a :View; :table [ :primaryType :T1 ], [ :primaryType :T2 ] .`); | |
| 123 const layout = new Layout(vc); | |
| 124 const lr = layout.plan(await typedStatements()); | |
| 125 expect(lr.sections).toHaveLength(2); | |
| 126 expect(lr.sections[0]).toEqual({ | |
| 127 columnHeaders: [ | |
| 128 { rdfType: EX("T1"), pred: EX("color") }, | |
| 129 { rdfType: EX("T1"), pred: EX("size") }, | |
| 130 ], | |
| 131 rowHeaders: [EX("a"), EX("b"), EX("c"), EX("e")], | |
| 132 rows: [ | |
| 133 [[EX("red")], []], | |
| 134 [[EX("blue")], []], | |
| 135 [[], []], | |
| 136 [[], [EX("small")]], | |
| 137 ], | |
| 138 }); | |
| 139 expect(lr.sections[1]).toEqual({ | |
| 140 columnHeaders: [{ rdfType: EX("T2"), pred: EX("size") }], | |
| 141 rowHeaders: [EX("d"), EX("e")], | |
| 142 rows: [ | |
| 143 [[EX("big")]], // | |
| 144 [[EX("small")]], | |
| 145 ], | |
| 146 }); | |
| 147 }); | |
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148 it.skip("makes a table out of ungrouped triples with the same type", async () => {}); |
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149 }); |