Merge pull request #2 from nisshiee/specs

Add examples spec

Author: nisshiee

spec/examples/validations_spec.rb

@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+class TestModel
+  include ActiveModel::Model
+
+  attr_accessor :attr
+  validates :attr, presence: true
+  validates :attr, length: { maximum: 4 }, on: :a_context
+end
+
+RSpec.describe TestModel do
+  subject { TestModel.new }
+
+  context 'when target attribute has valid value' do
+    it { is_expected.to be_valid_on(:attr).with('valid value') }
+    it { is_expected.not_to be_invalid_on(:attr).with('valid value') }
+  end
+
+  context 'when target attribute has INVALID value' do
+    it { is_expected.to be_invalid_on(:attr).with(nil) }
+    it { is_expected.not_to be_valid_on(:attr).with(nil) }
+  end
+
+  context 'when target attribute is validated on a certain context' do
+    context 'when target attribute has valid value' do
+      it { is_expected.to be_valid_on(:attr).with('1234').on_context(:a_context) }
+      it { is_expected.not_to be_invalid_on(:attr).with('1234').on_context(:a_context) }
+    end
+
+    context 'when target attribute has INVALID value' do
+      it { is_expected.to be_invalid_on(:attr).with('12345').on_context(:a_context) }
+      it { is_expected.not_to be_valid_on(:attr).with('12345').on_context(:a_context) }
+    end
+  end
+end

spec/spec_helper.rb

@@ -1,2 +1,3 @@
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'validation_examples_matcher'
+require 'active_model'

spec/validation_examples_matcher_spec.rb

@@ -4,8 +4,4 @@
   it 'has a version number' do
     expect(ValidationExamplesMatcher::VERSION).not_to be nil
   end
-
-  it 'does something useful' do
-    expect(false).to eq(true)
-  end
 end

validation_examples_matcher.gemspec

@@ -25,4 +25,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.11"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency "activemodel", "~> 4.2.5"
 end