Design updates with error handling

spec/strike_me/api/account_spec.rb

@@ -10,7 +10,7 @@ RSpec.describe StrikeMe::API::Account do
       allow(ENV).to receive(:[])
       expect(ENV).to receive(:[]).with('STRIKE_ACCOUNT_ID').and_return 'abc'
       stub_request(:get, %r{https://api.strike.me/v1/accounts/abc/profile})
-        .to_return(status: 200, body: '{"id":"abc44"}')
+        .to_return(status: 200, body: '{"id":"abc44"}', headers: {'Content-Type' => 'application/json'})
       expect(subject.id).to eq 'abc44'
     end
 
@@ -19,16 +19,66 @@ RSpec.describe StrikeMe::API::Account do
       allow(ENV).to receive(:fetch)
       expect(ENV).to receive(:fetch).with('STRIKE_ACCOUNT_HANDLE').and_return 'abcd'
       stub_request(:get, %r{https://api.strike.me/v1/accounts/handles/abcd/profile})
-        .to_return(status: 200, body: '{"id":"abc44"}')
+        .to_return(status: 200, body: '{"id":"abc44"}', headers: {'Content-Type' => 'application/json'})
       expect(subject.id).to eq 'abc44'
     end
+
+    it 'throws exception when unauthorized' do
+      allow(ENV).to receive(:[])
+      expect(ENV).to receive(:[]).with('STRIKE_ACCOUNT_ID').and_return 'abc'
+      stub_request(:get, %r{https://api.strike.me/v1/accounts/abc/profile})
+        .to_return(status: 401, body: '{"data":{"status":401,"code":"UNAUTHORIZED","message":"Invalid or unspecified identity."}}', headers: {'Content-Type' => 'application/json'})
+      expect{ subject.id }.to raise_error '[401, {}, ["Invalid or unspecified identity."]]'
+    end
   end
 
   describe 'balances' do
     subject { described_class.new.balances }
 
-    before { stub_request(:get, 'https://api.strike.me/v1/balances').to_return(status: 200, body: []) }
+    before { stub_request(:get, 'https://api.strike.me/v1/balances').to_return(status: 200, body: '[{"currency":"BTC","current":"0.00085408","pending":"0.000023","outgoing":"0.00000532","reserved":"0.00234","available":"0.00085408","total":"0.00085408"},{"currency":"USDT","current":"50.04","pending":"40.06","outgoing":"60.15","reserved":"0.00","available":"0.00","total":"0.00"}]', headers: {'Content-Type' => 'application/json'}) }
 
     it { is_expected.to be_an_instance_of StrikeMe::API::Account::Balances }
+
+    it '#to_a properly returns the attributes' do
+      expect(subject.to_a).to eq [
+        {
+          "currency"  => "BTC",
+          "current"   => 0.00085408,
+          "pending"   => 2.3e-05,
+          "outgoing"  => 5.32e-06,
+          "reserved"  => 0.00234,
+          "available" => 0.00085408,
+          "total"     => 0.00085408
+        }, {
+          "currency"  => "USDT",
+          "current"   => 50.04,
+          "pending"   => 40.06,
+          "outgoing"  => 60.15,
+          "reserved"  => 0.0,
+          "available" => 0.0,
+          "total"     => 0.0
+        }]
+    end
+
+    it '#btc returns the BTC balance' do
+      btc = subject.btc
+      expect(btc).to be_present
+      expect(btc).to be_a StrikeMe::API::Account::Balance
+      expect(btc.attributes).to eq(
+        "available" => 0.00085408,
+        "currency"  => "BTC",
+        "current"   => 0.00085408,
+        "outgoing"  => 5.32e-06,
+        "pending"   => 2.3e-05,
+        "reserved"  => 0.00234,
+        "total"     => 0.00085408
+      )
+    end
+
+    it 'raises error when not authorized' do
+      stub_request(:get, %r{https://api.strike.me/v1/balances})
+        .to_return(status: 401, body: '{"data":{"status":403,"code":"FORBIDDEN","message":"Insufficient permissions."}}', headers: {'Content-Type' => 'application/json'})
+      expect{ subject }.to raise_error '[403, {}, ["Insufficient permissions."]]'
+    end
   end
 end