DOC-4196: add TCEs to the full-text query page

Author: dwdougherty

doctests/query-ft.js

@@ -0,0 +1,84 @@
+// EXAMPLE: query_ft
+// HIDE_START
+import assert from 'assert';
+import fs from 'fs';
+import { createClient, SchemaFieldTypes, AggregateGroupByReducers, AggregateSteps} from 'redis';
+
+const client = createClient();
+
+await client.connect();
+
+// create index
+await client.ft.create('idx:bicycle', {
+  '$.model': {
+    type: SchemaFieldTypes.TEXT,
+    AS: 'model'
+  },
+  '$.brand': {
+    type: SchemaFieldTypes.TEXT,
+    AS: 'brand'
+  },
+  '$.description': {
+    type: SchemaFieldTypes.TEXT,
+    AS: 'description'
+  }
+}, {
+  ON: 'JSON',
+    PREFIX: 'bicycle:'
+})
+
+// load data
+const bicycles = JSON.parse(fs.readFileSync('data/query_em.json', 'utf8'));
+
+await Promise.all(
+  bicycles.map((bicycle, bid) => {
+      return client.json.set(`bicycle:${bid}`, '$', bicycle);
+  })
+);
+// HIDE_END
+
+// STEP_START ft1
+let res = await client.ft.search('idx:bicycle', '@description: kids');
+console.log(res.total); // >>> 2
+// REMOVE_START
+assert.strictEqual(res.total, 2);
+// REMOVE_END
+// STEP_END
+
+// STEP_START ft2
+res = await client.ft.search('idx:bicycle', '@model: ka*');
+console.log(res.total); // >>> 1
+// REMOVE_START
+assert.strictEqual(res.total, 1);
+// REMOVE_END
+// STEP_END
+
+// STEP_START ft3
+res = await client.ft.search('idx:bicycle', '@brand: *bikes');
+console.log(res.total); // >>> 2
+// REMOVE_START
+assert.strictEqual(res.total, 2);
+// REMOVE_END
+// STEP_END
+
+// STEP_START ft4
+res = await client.ft.search('idx:bicycle', '%optamized%');
+console.log(res); // >>> { total: 1, documents: [ { id: 'bicycle:3', value: [Object: null prototype] } ]}
+// REMOVE_START
+assert.strictEqual(res.total, 1);
+// REMOVE_END
+// STEP_END
+
+// STEP_START ft5
+res = await client.ft.search('idx:bicycle', '%%optamised%%');
+console.log(res); // >>> { total: 1, documents: [ { id: 'bicycle:3', value: [Object: null prototype] } ]}
+// REMOVE_START
+assert.strictEqual(res.total, 1);
+// REMOVE_END
+// STEP_END
+
+// REMOVE_START
+// destroy index and data
+await client.ft.dropIndex('idx:bicycle', { DD: true });
+await client.disconnect();
+// REMOVE_END