add test suite

tests/webfinger_allowlist.lua

@@ -0,0 +1,23 @@
+TestWebfinger = {}
+
+function TestWebfinger:setup()
+    self.mod = setupTest('scripts.webfinger_allowlist', {accounts = {'correct@example.org'}})
+end
+
+local WEBFINGER_PATH = '/.well-known/webfinger'
+
+function TestWebfinger:testCorrectAccount()
+    setupFakeRequest(WEBFINGER_PATH, { params = {resource = 'acct:correct@example.org'} })
+    onRequest()
+    lu.assertIs(ngx.status, nil)
+end
+
+function TestWebfinger:testWrongAccount()
+    setupFakeRequest(WEBFINGER_PATH, { params = {resource = 'acct:wrong@example.org'} })
+    onRequest()
+    lu.assertIs(ngx.status, 404)
+end
+
+function TestWebfinger:teardown()
+    teardownNgx()
+end