diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa624dff2c..a836216717 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ Next Release
* [#1517](https://github.com/ruby-grape/grape/pull/1517), [#1089](https://github.com/ruby-grape/grape/pull/1089): Fix: priority of ANY routes - [@namusyaka](https://github.com/namusyaka), [@wagenet](https://github.com/wagenet).
* [#1512](https://github.com/ruby-grape/grape/pull/1512): Fix: deeply nested parameters are included within `#declared(params)` - [@krbs](https://github.com/krbs).
* [#1510](https://github.com/ruby-grape/grape/pull/1510): Fix: inconsistent validation for multiple parameters - [@dgasper](https://github.com/dgasper).
+* [#1526](https://github.com/ruby-grape/grape/pull/1526): Reduce warnings caused by instance variables not initialized - [@cpetschnig](https://github.com/cpetschnig).
0.18.0 (10/7/2016)
==================
diff --git a/lib/grape/endpoint.rb b/lib/grape/endpoint.rb
index 4c2b4234ec..1c349f4453 100644
--- a/lib/grape/endpoint.rb
+++ b/lib/grape/endpoint.rb
@@ -95,6 +95,8 @@ def initialize(new_settings, options = {}, &block)
@options[:route_options] ||= {}
@lazy_initialize_lock = Mutex.new
+ @lazy_initialized = nil
+ @block = nil
return unless block_given?
diff --git a/lib/grape/middleware/base.rb b/lib/grape/middleware/base.rb
index 09fb4936dd..565af32665 100644
--- a/lib/grape/middleware/base.rb
+++ b/lib/grape/middleware/base.rb
@@ -13,6 +13,7 @@ class Base
def initialize(app, **options)
@app = app
@options = default_options.merge(**options)
+ @app_response = nil
end
def default_options
diff --git a/lib/grape/validations/params_scope.rb b/lib/grape/validations/params_scope.rb
index 779eea4dc1..558e72bc08 100644
--- a/lib/grape/validations/params_scope.rb
+++ b/lib/grape/validations/params_scope.rb
@@ -29,6 +29,7 @@ def initialize(opts, &block)
@group = opts[:group] || {}
@dependent_on = opts[:dependent_on]
@declared_params = []
+ @index = nil
instance_eval(&block) if block_given?
diff --git a/spec/grape/api_spec.rb b/spec/grape/api_spec.rb
index 565dd16dd5..72b4beef22 100644
--- a/spec/grape/api_spec.rb
+++ b/spec/grape/api_spec.rb
@@ -1202,7 +1202,7 @@ class PhonyMiddleware
def initialize(app, *args)
@args = args
@app = app
- @block = true if block_given?
+ @block = block_given? ? true : nil
end
def call(env)
diff --git a/spec/grape/middleware/formatter_spec.rb b/spec/grape/middleware/formatter_spec.rb
index 5a1fd1120b..a094f5bf6a 100644
--- a/spec/grape/middleware/formatter_spec.rb
+++ b/spec/grape/middleware/formatter_spec.rb
@@ -4,46 +4,53 @@
subject { Grape::Middleware::Formatter.new(app) }
before { allow(subject).to receive(:dup).and_return(subject) }
- let(:app) { ->(_env) { [200, {}, [@body || { 'foo' => 'bar' }]] } }
+ let(:body) { { 'foo' => 'bar' } }
+ let(:app) { ->(_env) { [200, {}, [body]] } }
context 'serialization' do
+ let(:body) { { 'abc' => 'def' } }
it 'looks at the bodies for possibly serializable data' do
- @body = { 'abc' => 'def' }
_, _, bodies = *subject.call('PATH_INFO' => '/somewhere', 'HTTP_ACCEPT' => 'application/json')
- bodies.each { |b| expect(b).to eq(MultiJson.dump(@body)) }
+ bodies.each { |b| expect(b).to eq(MultiJson.dump(body)) }
end
- it 'calls #to_json since default format is json' do
- @body = ['foo']
- @body.instance_eval do
- def to_json
- '"bar"'
+ context 'default format' do
+ let(:body) { ['foo'] }
+ it 'calls #to_json since default format is json' do
+ body.instance_eval do
+ def to_json
+ '"bar"'
+ end
end
- end
- subject.call('PATH_INFO' => '/somewhere', 'HTTP_ACCEPT' => 'application/json').to_a.last.each { |b| expect(b).to eq('"bar"') }
+ subject.call('PATH_INFO' => '/somewhere', 'HTTP_ACCEPT' => 'application/json').to_a.last.each { |b| expect(b).to eq('"bar"') }
+ end
end
- it 'calls #to_json if the content type is jsonapi' do
- @body = { 'foos' => [{ 'bar' => 'baz' }] }
- @body.instance_eval do
- def to_json
- '{"foos":[{"bar":"baz"}] }'
+ context 'jsonapi' do
+ let(:body) { { 'foos' => [{ 'bar' => 'baz' }] } }
+ it 'calls #to_json if the content type is jsonapi' do
+ body.instance_eval do
+ def to_json
+ '{"foos":[{"bar":"baz"}] }'
+ end
end
- end
- subject.call('PATH_INFO' => '/somewhere', 'HTTP_ACCEPT' => 'application/vnd.api+json').to_a.last.each { |b| expect(b).to eq('{"foos":[{"bar":"baz"}] }') }
+ subject.call('PATH_INFO' => '/somewhere', 'HTTP_ACCEPT' => 'application/vnd.api+json').to_a.last.each { |b| expect(b).to eq('{"foos":[{"bar":"baz"}] }') }
+ end
end
- it 'calls #to_xml if the content type is xml' do
- @body = 'string'
- @body.instance_eval do
- def to_xml
- ''
+ context 'xml' do
+ let(:body) { 'string' }
+ it 'calls #to_xml if the content type is xml' do
+ body.instance_eval do
+ def to_xml
+ ''
+ end
end
- end
- subject.call('PATH_INFO' => '/somewhere.xml', 'HTTP_ACCEPT' => 'application/json').to_a.last.each { |b| expect(b).to eq('') }
+ subject.call('PATH_INFO' => '/somewhere.xml', 'HTTP_ACCEPT' => 'application/json').to_a.last.each { |b| expect(b).to eq('') }
+ end
end
end
@@ -189,10 +196,12 @@ def to_xml
_, _, body = subject.call('PATH_INFO' => '/info.custom')
expect(body.body).to eq(['CUSTOM FORMAT'])
end
- it 'uses default json formatter' do
- @body = ['blah']
- _, _, body = subject.call('PATH_INFO' => '/info.json')
- expect(body.body).to eq(['["blah"]'])
+ context 'default' do
+ let(:body) { ['blah'] }
+ it 'uses default json formatter' do
+ _, _, body = subject.call('PATH_INFO' => '/info.json')
+ expect(body.body).to eq(['["blah"]'])
+ end
end
it 'uses custom json formatter' do
subject.options[:formatters][:json] = ->(_obj, _env) { 'CUSTOM JSON FORMAT' }
@@ -284,10 +293,10 @@ def to_xml
end
context 'send file' do
- let(:app) { ->(_env) { [200, {}, @body] } }
+ let(:body) { Grape::ServeFile::FileResponse.new('file') }
+ let(:app) { ->(_env) { [200, {}, body] } }
it 'returns Grape::Uril::SendFileReponse' do
- @body = Grape::ServeFile::FileResponse.new('file')
env = { 'PATH_INFO' => '/somewhere', 'HTTP_ACCEPT' => 'application/json' }
expect(subject.call(env)).to be_a(Grape::ServeFile::SendfileResponse)
end
diff --git a/spec/grape/middleware/versioner/param_spec.rb b/spec/grape/middleware/versioner/param_spec.rb
index 3d9934a7da..98bb0710a0 100644
--- a/spec/grape/middleware/versioner/param_spec.rb
+++ b/spec/grape/middleware/versioner/param_spec.rb
@@ -2,7 +2,8 @@
describe Grape::Middleware::Versioner::Param do
let(:app) { ->(env) { [200, env, env['api.version']] } }
- subject { Grape::Middleware::Versioner::Param.new(app, @options || {}) }
+ let(:options) { {} }
+ subject { Grape::Middleware::Versioner::Param.new(app, options) }
it 'sets the API version based on the default param (apiver)' do
env = Rack::MockRequest.env_for('/awesome', params: { 'apiver' => 'v1' })
@@ -22,7 +23,7 @@
end
context 'with specified parameter name' do
- before { @options = { version_options: { parameter: 'v' } } }
+ let(:options) { { version_options: { parameter: 'v' } } }
it 'sets the API version based on the custom parameter name' do
env = Rack::MockRequest.env_for('/awesome', params: { 'v' => 'v1' })
expect(subject.call(env)[1]['api.version']).to eq('v1')
@@ -34,7 +35,7 @@
end
context 'with specified versions' do
- before { @options = { versions: %w(v1 v2) } }
+ let(:options) { { versions: %w(v1 v2) } }
it 'throws an error if a non-allowed version is specified' do
env = Rack::MockRequest.env_for('/awesome', params: { 'apiver' => 'v3' })
expect(catch(:error) { subject.call(env) }[:status]).to eq(404)
@@ -45,13 +46,17 @@
end
end
- it 'returns a 200 when no version is set (matches the first version found)' do
- @options = {
- versions: ['v1'],
- version_options: { using: :header }
- }
- env = Rack::MockRequest.env_for('/awesome', params: {})
- expect(subject.call(env).first).to eq(200)
+ context 'when no version is set' do
+ let(:options) do
+ {
+ versions: ['v1'],
+ version_options: { using: :header }
+ }
+ end
+ it 'returns a 200 (matches the first version found)' do
+ env = Rack::MockRequest.env_for('/awesome', params: {})
+ expect(subject.call(env).first).to eq(200)
+ end
end
context 'when there are multiple versions without a custom param' do
diff --git a/spec/grape/middleware/versioner/path_spec.rb b/spec/grape/middleware/versioner/path_spec.rb
index e92d92503f..cb3842427f 100644
--- a/spec/grape/middleware/versioner/path_spec.rb
+++ b/spec/grape/middleware/versioner/path_spec.rb
@@ -2,7 +2,8 @@
describe Grape::Middleware::Versioner::Path do
let(:app) { ->(env) { [200, env, env['api.version']] } }
- subject { Grape::Middleware::Versioner::Path.new(app, @options || {}) }
+ let(:options) { {} }
+ subject { Grape::Middleware::Versioner::Path.new(app, options) }
it 'sets the API version based on the first path' do
expect(subject.call('PATH_INFO' => '/v1/awesome').last).to eq('v1')
@@ -17,7 +18,7 @@
end
context 'with a pattern' do
- before { @options = { pattern: /v./i } }
+ let(:options) { { pattern: /v./i } }
it 'sets the version if it matches' do
expect(subject.call('PATH_INFO' => '/v1/awesome').last).to eq('v1')
end
@@ -29,7 +30,7 @@
[%w(v1 v2), [:v1, :v2], [:v1, 'v2'], ['v1', :v2]].each do |versions|
context "with specified versions as #{versions}" do
- before { @options = { versions: versions } }
+ let(:options) { { versions: versions } }
it 'throws an error if a non-allowed version is specified' do
expect(catch(:error) { subject.call('PATH_INFO' => '/v3/awesome') }[:status]).to eq(404)