From e580cc9991ddfd5826323e295dc1421cec2c5786 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A2u=20Cao?= <raucao@kip.pe>
Date: Thu, 23 Feb 2023 17:46:36 +0800
Subject: [PATCH] Add specs for Lightning Address and lnurlpay requests

---
 spec/requests/lnurlpay_spec.rb | 110 +++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 spec/requests/lnurlpay_spec.rb

diff --git a/spec/requests/lnurlpay_spec.rb b/spec/requests/lnurlpay_spec.rb
new file mode 100644
index 0000000..33ac543
--- /dev/null
+++ b/spec/requests/lnurlpay_spec.rb
@@ -0,0 +1,110 @@
+require 'rails_helper'
+
+RSpec.describe "/lnurlpay", type: :request do
+
+  context "Non-existent user/address" do
+    describe "GET /lnurlpay/:address" do
+      it "returns a 404" do
+        get lightning_address_path(address: "csw@kosmos.org")
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+
+    describe "GET /lnurlpay/:address/invoice" do
+      it "returns a 404" do
+        get lnurlpay_invoice_path(address: "csw@kosmos.org", params: { amount: 5000 })
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+
+    describe "GET /keysend/:address/" do
+      it "returns a 404" do
+        get lightning_address_keysend_path(address: "csw@kosmos.org")
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+  end
+
+  context "Valid user/address" do
+    let(:user) { create :user, cn: 'satoshi', ou: 'kosmos.org', ln_account: 'abcdefg123456' }
+
+    before do
+      login_as user, :scope => :user
+    end
+
+    describe "GET /lnurlpay/:address" do
+      it "returns a formatted Lightning Address response" do
+        get lightning_address_path(address: "satoshi@kosmos.org")
+
+        expect(response).to have_http_status(:ok)
+
+        res = JSON.parse(response.body)
+        expect(res["status"]).to eq('OK')
+        expect(res["tag"]).to eq('payRequest')
+        expect(res["callback"]).to match(lnurlpay_invoice_path('satoshi@kosmos.org'))
+        expect(res["minSendable"]).to be_a(Integer)
+        expect(res["maxSendable"]).to be_a(Integer)
+        expect(res["commentAllowed"]).to be_a(Integer)
+      end
+    end
+
+    describe "GET /lnurlpay/:address/invoice" do
+      before do
+        allow_any_instance_of(User).to receive(:ln_create_invoice).and_return("lnbc50u1p3lwgknpp52g78gqya5euvzjc53fc6hkmlm2rfjhcd305tcmc0g9gaestav48sdq4gdhkven9v5sx6mmwv4ujzcqzpgxqyz5vqsp5skkz4jlqr6tkvv2g9739ygrjupc4rkqd94mc7dfpj3pgx3f6w7qs9qyyssq7mf3fzcuxlmkr9nqatcch3u8uf4gjyawe052tejz8e9fqxu4pncqk3qklt8g6ylpshg09xyjquyrgtc72vcw5cp0dzcf406apyua7dgpnfn7an")
+      end
+
+      it "returns a formatted lnurlpay response" do
+        get lnurlpay_invoice_path(address: "satoshi@kosmos.org", params: {
+          amount: 50000, comment: "Coffee time!"
+        })
+
+        expect(response).to have_http_status(:ok)
+
+        res = JSON.parse(response.body)
+        expect(res["status"]).to eq('OK')
+        expect(res["successAction"]["tag"]).to eq('message')
+        expect(res["successAction"]["message"]).to match('Thank you')
+        expect(res["pr"]).to eq("lnbc50u1p3lwgknpp52g78gqya5euvzjc53fc6hkmlm2rfjhcd305tcmc0g9gaestav48sdq4gdhkven9v5sx6mmwv4ujzcqzpgxqyz5vqsp5skkz4jlqr6tkvv2g9739ygrjupc4rkqd94mc7dfpj3pgx3f6w7qs9qyyssq7mf3fzcuxlmkr9nqatcch3u8uf4gjyawe052tejz8e9fqxu4pncqk3qklt8g6ylpshg09xyjquyrgtc72vcw5cp0dzcf406apyua7dgpnfn7an")
+      end
+
+      context "amount too low" do
+        it "retuns an error" do
+          get lnurlpay_invoice_path(address: "satoshi@kosmos.org", params: {
+            amount: 5000, comment: "Coffee time!"
+          })
+          expect(response).to have_http_status(:ok)
+          res = JSON.parse(response.body)
+          expect(res["status"]).to eq('ERROR')
+          expect(res["reason"]).to eq('Invalid amount')
+        end
+      end
+
+      context "comment too long" do
+        it "retuns an error" do
+          get lnurlpay_invoice_path(address: "satoshi@kosmos.org", params: {
+            amount: 5000000, comment: "Coffee time is the best time, so here's some money for you to get some. May I suggest to sample some Pacamara beans from El Salvador?"
+          })
+          expect(response).to have_http_status(:ok)
+          res = JSON.parse(response.body)
+          expect(res["status"]).to eq('ERROR')
+          expect(res["reason"]).to eq('Comment too long')
+        end
+      end
+    end
+
+    describe "GET /keysend/:address/" do
+      it "returns a formatted Lightning Address keysend response" do
+        get lightning_address_keysend_path(address: "satoshi@kosmos.org")
+
+        expect(response).to have_http_status(:ok)
+
+        res = JSON.parse(response.body)
+        expect(res["status"]).to eq('OK')
+        expect(res["tag"]).to eq('keysend')
+        expect(res["pubkey"]).to eq(Setting.lndhub_public_key)
+        expect(res["customData"][0]["customKey"]).to eq('696969')
+        expect(res["customData"][0]["customValue"]).to eq('abcdefg123456')
+      end
+    end
+  end
+end