add more detail specs for client_secrets.rb + fix docs

README.md

@@ -129,7 +129,7 @@ Media operations -- uploads & downloads -- can not be included in batch with oth
 
 However, some APIs support batch uploads. To upload multiple files in a batch, use the `batch_upload` method instead.
 Batch uploads should only be used when uploading multiple small files. For large files, upload files individually to
-take advantage of the libraries built-in reusmable upload support.
+take advantage of the libraries built-in resumable upload support.
 
 ### Hashes
 

lib/google/api_client/client_secrets.rb

@@ -46,7 +46,6 @@ module Google
     #     }
     #   }
     class ClientSecrets
-      
       ##
       # Reads client configuration from a file
       #
@@ -77,7 +76,7 @@ module Google
       end
 
       ##
-      # Intialize OAuth client settings.
+      # Initialize OAuth client settings.
       #
       # @param [Hash] options
       #   Parsed client secrets files

spec/fixtures/files/invalid.json

@@ -0,0 +1 @@
+{"invalid"}

spec/google/api_client/client_secrets_spec.rb

@@ -50,4 +50,26 @@ RSpec.describe Google::APIClient::ClientSecrets do
 
     end
   end
+
+  context 'with no existing JSON file' do
+    it 'should raise exception' do
+      file = File.join(FIXTURES_PATH, 'files', 'no_file.json')
+      expect { Google::APIClient::ClientSecrets.load(file) }.to raise_exception(Errno::ENOENT)
+    end
+  end
+
+  context 'with invalid JSON file' do
+    it 'should raise exception' do
+      file = File.join(FIXTURES_PATH, 'files', 'invalid.json')
+      expect { Google::APIClient::ClientSecrets.load(file) }.to raise_exception(MultiJson::ParseError)
+    end
+  end
+
+  context 'with folder name, which have json file in parents' do
+    it 'should load the correct client id' do
+      folder = File.join(FIXTURES_PATH, 'files', 'child')
+      secrets = Google::APIClient::ClientSecrets.load(folder)
+      expect(secrets.client_id).to be == '898243283568.apps.googleusercontent.com'
+    end
+  end
 end