Add testnet blockchain adapters again

Gemfile

@@ -7,6 +7,7 @@ gem 'satoshi-unit', '~> 0.1'
 gem 'httparty', '~> 0.13.5'
 gem 'faraday'
 gem 'concurrent-ruby'
+gem 'pry'
 
 group :development do
   gem "bundler", "~> 1.0"

Gemfile.lock

@@ -5,6 +5,7 @@ GEM
     btcruby (1.0.3)
       ffi (~> 1.9, >= 1.9.3)
     builder (3.2.2)
+    coderay (1.1.1)
     concurrent-ruby (0.9.1)
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
@@ -37,8 +38,9 @@ GEM
       nokogiri (>= 1.5.10)
       rake
       rdoc
-    json (1.8.1)
+    json (1.8.6)
     jwt (1.0.0)
+    method_source (0.8.2)
     mini_portile (0.6.0)
     multi_json (1.10.1)
     multi_xml (0.5.5)
@@ -51,6 +53,10 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (~> 1.2)
+    pry (0.10.4)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
     rack (1.5.2)
     rake (10.3.2)
     rdoc (4.1.2)
@@ -69,6 +75,7 @@ GEM
     rspec-support (3.1.0)
     safe_yaml (1.0.4)
     satoshi-unit (0.1.7)
+    slop (3.6.0)
     thread_safe (0.3.4)
     vcr (2.9.3)
     webmock (1.21.0)
@@ -86,10 +93,11 @@ DEPENDENCIES
   github_api (= 0.11.3)
   httparty (~> 0.13.5)
   jeweler (~> 2.0.1)
+  pry
   rspec
   satoshi-unit (~> 0.1)
   vcr
   webmock
 
 BUNDLED WITH
-   1.10.4
+   1.15.1

lib/straight/gateway.rb

@@ -78,6 +78,10 @@ def blockchain_adapters
         @blockchain_adapters
       end
 
+      def test_blockchain_adapters
+        @blockchain_adapters.map{ |el| el.class.testnet_adapter rescue next }.compact
+      end
+
       # Creates a new order for the address derived from the pubkey and the keychain_id argument provided.
       # See explanation of this keychain_id argument is in the description for the AddressProvider::Base#new_address method.
       def new_order(args)

spec/lib/exchange_rate_adapters/btc_adapter_spec.rb

@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'pry'
 
 RSpec.describe Straight::ExchangeRate::BtcAdapter do
 
@@ -18,11 +19,11 @@ class Straight::ExchangeRate::Adapter
     end
 
     it "converts amount from currency into BTC" do
-      expect(@exchange_adapter.convert_from_currency(2252.706, currency: 'USD')).to eq(500000000)
+      expect(@exchange_adapter.convert_from_currency(100, currency: 'USD')).to eq(500000000)
     end
 
     it "converts from btc into currency" do
-      expect(@exchange_adapter.convert_to_currency(500000000, currency: 'USD')).to eq(2252.706)
+      expect(@exchange_adapter.convert_to_currency(100, currency: 'USD')).to eq(2252.706)
     end
 
     it "shows btc amounts in various denominations" do

spec/lib/gateway_spec.rb

@@ -145,6 +145,7 @@
     it "is using testnet" do
       @gateway.test_mode = true
       allow(@mock_adapter).to receive(:testnet_adapters).and_return(true)
+      expect(@gateway.blockchain_adapters).to_not be nil
       expect(@gateway.blockchain_adapters).to eq(@gateway.test_blockchain_adapters)
     end