Better mockItems.

src/lib/state.js

@@ -1,6 +1,6 @@
 // noinspection JSCheckFunctionSignatures
 
-import { writable } from 'svelte/store'
+import { get, writable } from 'svelte/store'
 import { backendAddressAndPort, queryMode, queryState } from './constants.js'
 
 const getRandomFromArray = array => array[Math.floor(Math.random() * array.length)]
@@ -16,25 +16,34 @@ const addMetadata = mockItem => ({
   key: null,
 })
 
-const mockItems = () => [
-  {
-    eventType: "purchase",
-    userName: "sagev",
-    itemName: "Bean Enchilada",
-    quantity: getRandomFromArray([1, 2, 3])
-  },
-  {
-    eventType: "purchase",
-    userName: "cameronl",
-    itemName: "Tacos",
-    quantity: getRandomFromArray([1, 2, 3])
-  },
-  {
-    eventType: "refund",
-    userName: "sagev",
-    purchaseId: crypto.randomUUID(),
-  },
-].map(addMetadata)
+const mockUsernames = [
+  'sagev', 'cameronl', 'westonm', 'connorl', 'cameronf', 'thomase'
+]
+
+const mockEventTypes = [
+  'purchase', 'refund',
+]
+
+const mockItemTypes = [
+  'Taco', 'Enchilada', 'Soda', 'Chalupa', 'Tostada'
+]
+
+const buildMockItem = () => {
+  const purchasedBy = getRandomFromArray(mockUsernames)
+  let transactionHandledBy = getRandomFromArray(mockUsernames)
+  while (transactionHandledBy === purchasedBy) {
+    transactionHandledBy = getRandomFromArray(mockUsernames)
+  }
+  return addMetadata({
+    eventType: getRandomFromArray(mockEventTypes),
+    itemType: getRandomFromArray(mockItemTypes),
+    purchasedBy,
+    transactionHandledBy,
+    purchaseId: crypto.randomUUID()
+  });
+}
+
+const mockItems = Array(100).fill(buildMockItem, 0).map(mocker => mocker())
 
 export const testMode = true
 
@@ -71,7 +80,7 @@ const testQuery = (mode) => {
         queryStartTime: new Date()
       }))
       const addItem = () => {
-        const item = getRandomFromArray(mockItems())
+        const item = buildMockItem()
         if (filterFunc(item, item.value, JSON.stringify(item))) {
           item.timestamp = new Date().getTime()
           state.update(s => ({
@@ -85,19 +94,16 @@ const testQuery = (mode) => {
         }
       }
       setTimeout(addItem, testTimeout)
-    } else {
-      state.update(s => ({
-        ...s,
-      }))
+    } else { // ONE_SHOT
       setTimeout(() => {
-        const items = mockItems().filter(item => filterFunc(item, item.value, JSON.stringify(item)))
+        const filteredItems = mockItems.filter(item => filterFunc(item, item.value, JSON.stringify(item))).slice(0, itemLimit)
         state.update(s => ({
           ...s,
-          items,
-          itemCount: items.length,
+          items: filteredItems,
+          itemCount: filteredItems.length,
           queryState: queryState.DONE
         }))
-      }, testTimeout * 10)
+      }, 2000)
     }
   } catch (e) {
     console.log('Caught an error:', e.toString())