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comparison src/layout/Layout.test.ts @ 122:2e8fa3fec0c8

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support joining subjects into wider rows
author drewp@bigasterisk.com
date Sun, 20 Mar 2022 14:12:03 -0700
parents 3584f24becf4
children
comparison
equal deleted inserted replaced
121:3584f24becf4 122:2e8fa3fec0c8
72 72
73 beforeAll(async () => { 73 beforeAll(async () => {
74 const vc = new ViewConfig(); 74 const vc = new ViewConfig();
75 await vc.readFromGraph(` 75 await vc.readFromGraph(`
76 @prefix : <http://example.com/> . 76 @prefix : <http://example.com/> .
77 77
78 <> a :View; :table [ :primaryType :T1 ] .`); 78 <> a :View; :table [ :primaryType :T1 ] .`);
79 const layout = new Layout(vc); 79 const layout = new Layout(vc);
80 lr = layout.plan(await typedStatements()); 80 lr = layout.plan(await typedStatements());
81 }); 81 });
82 it("returns 2 sections", () => { 82 it("returns 2 sections", () => {
197 expect(section0.columnHeaders).toEqual([ 197 expect(section0.columnHeaders).toEqual([
198 { rdfTypes: [EX("T1")], pred: EX("p1") }, 198 { rdfTypes: [EX("T1")], pred: EX("p1") },
199 { rdfTypes: [EX("T1")], pred: EX("p3") }, 199 { rdfTypes: [EX("T1")], pred: EX("p3") },
200 { rdfTypes: [EX("T2")], pred: EX("p2") }, 200 { rdfTypes: [EX("T2")], pred: EX("p2") },
201 ]); 201 ]);
202 }) 202 });
203 }); 203 it("joins over an edge", async () => {
204 const vc = new ViewConfig();
205 await vc.readFromGraph(`
206 @prefix : <http://example.com/> .
207
208 <> a :View; :table [
209 :primaryType :T1;
210 :link [:predicate :predLink ] ] .
211 `);
212 const layout = new Layout(vc);
213 const lr = layout.plan(
214 await n3Graph(`
215 @prefix : <http://example.com/> .
216 :g1 {
217 :a a :T1; :color :red; :predLink :b .
218 :b a :T2; :size :big .
219 }
220 `)
221 );
222
223 expect(lr.sections).toHaveLength(1); // no loose statements
224 const section0 = lr.sections[0] as AlignedTable;
225 expect(section0.rowHeaders).toEqual([EX("a")]);
226 expect(section0.columnHeaders).toEqual([
227 { rdfTypes: [EX("T1")], pred: EX("color") },
228 // :predLink column is hidden
229 { rdfTypes: [EX("T2")], pred: EX("size") },
230 ]);
231 });
232 });
233 it("joins 3 subjects into one", async () => {
234 const vc = new ViewConfig();
235 await vc.readFromGraph(`
236 @prefix : <http://example.com/> .
237
238 <> a :View; :table [
239 :primaryType :T1;
240 :link
241 [:predicate :pred1Link ],
242 [:predicate :pred2Link ]
243 ] .
244 `);
245 const layout = new Layout(vc);
246 const lr = layout.plan(
247 await n3Graph(`
248 @prefix : <http://example.com/> .
249 :g1 {
250 :a a :T1; :color :red; :pred1Link :b; :pred2Link :c .
251 :b a :T2; :size :big .
252 :c a :T3; :bright 50 .
253 }
254 `)
255 );
256
257 expect(lr.sections).toHaveLength(1); // no loose statements
258 const section0 = lr.sections[0] as AlignedTable;
259 expect(section0.rowHeaders).toEqual([EX("a")]);
260 expect(section0.columnHeaders).toEqual([
261 { rdfTypes: [EX("T1")], pred: EX("color") },
262 { rdfTypes: [EX("T2")], pred: EX("size") },
263 { rdfTypes: [EX("T3")], pred: EX("bright") },
264 ]);
265 });
266 it("links rows to predicate that themselves are linked in", async () => {
267 const vc = new ViewConfig();
268 await vc.readFromGraph(`
269 @prefix : <http://example.com/> .
270
271 <> a :View; :table [
272 :primaryType :T1;
273 :link
274 [:predicate :pred1Link ],
275 [:predicate :pred2Link ]
276 ] .
277 `);
278 const layout = new Layout(vc);
279 const lr = layout.plan(
280 await n3Graph(`
281 @prefix : <http://example.com/> .
282 :g1 {
283 :a a :T1; :color :red; :pred1Link :b .
284 :b a :T2; :size :big; :pred2Link :c .
285 :c a :T3; :bright 50 .
286 }
287 `)
288 );
289 console.log(JSON.stringify(lr.sections, null, " "));
290
291 expect(lr.sections).toHaveLength(1); // no loose statements
292 const section0 = lr.sections[0] as AlignedTable;
293 expect(section0.rowHeaders).toEqual([EX("a")]);
294 expect(section0.columnHeaders).toEqual([
295 { rdfTypes: [EX("T1")], pred: EX("color") },
296 { rdfTypes: [EX("T2")], pred: EX("size") },
297 { rdfTypes: [EX("T3")], pred: EX("bright") },
298 ]);
299 });
300
204 it.skip("makes a table out of ungrouped triples with the same type", async () => {}); 301 it.skip("makes a table out of ungrouped triples with the same type", async () => {});
205 }); 302 });