Mercurial > code > home > repos > streamed-graph
annotate src/layout/Layout.test.ts @ 121:3584f24becf4
cleanup
| author | drewp@bigasterisk.com |
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| date | Sun, 20 Mar 2022 14:10:56 -0700 |
| parents | 8715633f5213 |
| children | 2e8fa3fec0c8 |
| 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(` | |
| 121 | 37 @prefix : <http://example.com/> . |
| 103 | 38 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . |
| 39 | |
| 121 | 40 <> a :View; rdfs:label "repos" .`); |
| 103 | 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 | |
| 78 <> a :View; :table [ :primaryType :T1 ] .`); | |
| 79 const layout = new Layout(vc); | |
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80 lr = layout.plan(await typedStatements()); |
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81 }); |
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82 it("returns 2 sections", () => { |
| 103 | 83 expect(lr.sections).toHaveLength(2); |
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84 }); |
| 103 | 85 it("puts the right type in the table", async () => { |
| 118 | 86 const section0 = lr.sections[0] as AlignedTable; |
| 87 expect(section0.columnHeaders).toEqual([ | |
| 88 { rdfTypes: [EX("T1")], pred: EX("color") }, | |
| 89 { rdfTypes: [EX("T1"), EX("T2")], pred: EX("size") }, | |
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90 // and doesn't include rdf:type as a column header here |
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91 ]); |
| 118 | 92 expect(section0.rowHeaders).toEqual([EX("a"), EX("b"), EX("c"), EX("e")]); |
| 93 expect(section0.rows).toEqual([ | |
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94 [[EX("red")], []], |
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95 [[EX("blue")], []], |
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96 [[], []], |
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97 [[], [EX("small")]], |
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98 ]); |
| 103 | 99 }); |
| 100 it("leaves the rest ungrouped", async () => { | |
| 101 expect(lr.sections[1]).toEqual({ | |
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102 subjRows: [ |
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103 { |
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104 subj: EX("d"), |
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105 predRows: [ |
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106 { pred: EX("size"), objs: [EX("big")] }, |
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107 { pred: rdf.type, objs: [EX("T2")] }, |
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108 ], |
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109 }, |
| 103 | 110 ], |
| 111 }); | |
| 112 }); | |
| 113 }); | |
| 116 | 114 it("makes two tables", async () => { |
| 115 const vc = new ViewConfig(); | |
| 116 await vc.readFromGraph(` | |
| 117 @prefix : <http://example.com/> . | |
| 118 | |
| 119 <> a :View; :table [ :primaryType :T1 ], [ :primaryType :T2 ] .`); | |
| 120 const layout = new Layout(vc); | |
| 121 const lr = layout.plan(await typedStatements()); | |
| 122 expect(lr.sections).toHaveLength(2); | |
| 118 | 123 const section0 = lr.sections[0] as AlignedTable; |
| 124 expect(section0.columnHeaders).toEqual([ | |
| 125 { rdfTypes: [EX("T1")], pred: EX("color") }, | |
| 126 { rdfTypes: [EX("T1"), EX("T2")], pred: EX("size") }, | |
| 127 ]); | |
| 128 expect(section0.rowHeaders).toEqual([EX("a"), EX("b"), EX("c"), EX("e")]); | |
| 129 expect(section0.rows).toEqual([ | |
| 130 [[EX("red")], []], | |
| 131 [[EX("blue")], []], | |
| 132 [[], []], | |
| 133 [[], [EX("small")]], | |
| 134 ]); | |
| 135 const section1 = lr.sections[1] as AlignedTable; | |
| 136 expect(section1.columnHeaders).toEqual([ | |
| 137 { rdfTypes: [EX("T1"), EX("T2")], pred: EX("size") }, | |
| 138 ]); | |
| 139 expect(section1.rowHeaders).toEqual([EX("d"), EX("e")]); | |
| 140 expect(section1.rows).toEqual([ | |
| 141 [[EX("big")]], // | |
| 142 [[EX("small")]], | |
| 143 ]); | |
| 144 }); | |
| 145 describe("joins multiple types into one table", () => { | |
| 121 | 146 it("can simply display multiple types merged together", async () => { |
| 118 | 147 const vc = new ViewConfig(); |
| 148 await vc.readFromGraph(` | |
| 149 @prefix ex: <http://example.com/> . | |
| 150 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . | |
| 151 @prefix : <http://example.com/> . | |
| 152 | |
| 153 <> a :View; :table [ :primaryType :T1; :joinType :T2 ] . | |
| 154 `); | |
| 155 const layout = new Layout(vc); | |
| 156 const lr = layout.plan( | |
| 157 await n3Graph(` | |
| 158 @prefix : <http://example.com/> . | |
| 159 :g1 { | |
| 160 :a a :T1 ; :color :red . | |
| 161 :b a :T2 ; :size :big . | |
| 162 } | |
| 163 `) | |
| 164 ); | |
| 165 expect(lr.sections).toHaveLength(1); | |
| 166 const section0 = lr.sections[0] as AlignedTable; | |
| 167 expect(section0.columnHeaders).toEqual([ | |
| 168 { rdfTypes: [EX("T1")], pred: EX("color") }, | |
| 169 { rdfTypes: [EX("T2")], pred: EX("size") }, | |
| 170 ]); | |
| 171 expect(section0.rowHeaders).toEqual([EX("a"), EX("b")]); | |
| 172 expect(section0.rows).toEqual([ | |
| 116 | 173 [[EX("red")], []], |
| 118 | 174 [[], [EX("big")]], |
| 175 ]); | |
| 116 | 176 }); |
| 121 | 177 it("groups columns by type", async () => { |
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178 const vc = new ViewConfig(); |
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179 await vc.readFromGraph(` |
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180 @prefix ex: <http://example.com/> . |
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181 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . |
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182 @prefix : <http://example.com/> . |
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183 |
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184 <> a :View; :table [ :primaryType :T1; :joinType :T2, :T3 ] . |
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185 `); |
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186 const layout = new Layout(vc); |
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187 const lr = layout.plan( |
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188 await n3Graph(` |
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189 @prefix : <http://example.com/> . |
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190 :g1 { |
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191 :a a :T1; :p1 :red; :p3 :green . |
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192 :b a :T2; :p2 :blue . |
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193 } |
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194 `) |
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195 ); |
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196 const section0 = lr.sections[0] as AlignedTable; |
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197 expect(section0.columnHeaders).toEqual([ |
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198 { rdfTypes: [EX("T1")], pred: EX("p1") }, |
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199 { rdfTypes: [EX("T1")], pred: EX("p3") }, |
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200 { rdfTypes: [EX("T2")], pred: EX("p2") }, |
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201 ]); |
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202 }) |
| 116 | 203 }); |
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204 it.skip("makes a table out of ungrouped triples with the same type", async () => {}); |
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205 }); |