Add proper testing

index.test.ts

@@ -1,46 +1,35 @@
+import { Plugin, PluginMeta } from '@posthog/plugin-scaffold'
 // @ts-ignore
-import { createPageview, clone } from '@posthog/plugin-scaffold/test/utils'
+import { createPageview, resetMeta } from '@posthog/plugin-scaffold/test/utils'
+import { join } from 'path'
+import { Reader } from '@maxmind/geoip2-node'
+import * as index from '.'
 
-// import { processEvent } from '..'
+const { processEvent } = index as Required<Plugin>
 
-// test('setupPlugin and processEvent with no DB', async () => {
-//     const pageviewEvent = createPageview()
-//     const processedPageviewEvent = await processEvent(clone(pageviewEvent))
-//     expect(processedPageviewEvent).toEqual(pageviewEvent)
-// })
+async function resetMetaWithMmdb(file = 'GeoLite2-City-Test.mmdb'): Promise<PluginMeta> {
+    const mmdb = await Reader.open(join(__dirname, file))
+    return resetMeta({
+        geoip: {
+            locate: (ipAddress: string) => mmdb.city(ipAddress),
+        },
+    }) as PluginMeta
+}
 
-// test('GeoLite2-City', async () => {
-//     const event = await processEvent({ ...createPageview(), ip: '89.160.20.129' })
-//     expect(event!.properties).toEqual(
-//         expect.objectContaining({
-//             $city_name: 'Linköping',
-//             $country_name: 'Sweden',
-//             $country_code: 'SE',
-//             $continent_name: 'Europe',
-//             $continent_code: 'EU',
-//             $latitude: 58.4167,
-//             $longitude: 15.6167,
-//             $time_zone: 'Europe/Stockholm',
-//             $subdivision_1_code: 'E',
-//             $subdivision_1_name: 'Östergötland County',
-//         })
-//     )
-// })
-
-// test('GeoIP2-City', async () => {
-//     const event = await processEvent({ ...createPageview(), ip: '89.160.20.129' })
-//     expect(event!.properties).toEqual(
-//         expect.objectContaining({
-//             $city_name: 'Linköping',
-//             $country_name: 'Sweden',
-//             $country_code: 'SE',
-//             $continent_name: 'Europe',
-//             $continent_code: 'EU',
-//             $latitude: 58.4167,
-//             $longitude: 15.6167,
-//             $time_zone: 'Europe/Stockholm',
-//             $subdivision_1_code: 'E',
-//             $subdivision_1_name: 'Östergötland County',
-//         })
-//     )
-// })
+test('GeoLite2-City', async () => {
+    const event = await processEvent({ ...createPageview(), ip: '89.160.20.129' }, await resetMetaWithMmdb())
+    expect(event!.properties).toEqual(
+        expect.objectContaining({
+            $city_name: 'Linköping',
+            $country_name: 'Sweden',
+            $country_code: 'SE',
+            $continent_name: 'Europe',
+            $continent_code: 'EU',
+            $latitude: 58.4167,
+            $longitude: 15.6167,
+            $time_zone: 'Europe/Stockholm',
+            $subdivision_1_code: 'E',
+            $subdivision_1_name: 'Östergötland County',
+        })
+    )
+})

package.json

@@ -17,7 +17,7 @@
     "homepage": "https://github.com/PostHog/posthog-plugin-geoip#readme",
     "author": "PostHog <[email protected]>",
     "scripts": {
-        "test": "jest src",
+        "test": "jest .",
         "lint": "eslint .",
         "lint:fix": "eslint --fix .",
         "format": "prettier --write .",
@@ -27,6 +27,7 @@
     },
     "dependencies": {},
     "devDependencies": {
+        "@maxmind/geoip2-node": "^2.3.1",
         "@posthog/plugin-scaffold": "0.4.2",
         "@types/jest": "^26.0.19",
         "@typescript-eslint/eslint-plugin": "^4.12.0",

tsconfig.json

@@ -8,6 +8,7 @@
         "forceConsistentCasingInFileNames": true,
         "noImplicitReturns": true,
         "noUnusedParameters": true,
+        "esModuleInterop": true,
         "noEmit": true,
         "resolveJsonModule": true
     },