113 lines
3.4 KiB
Ruby
113 lines
3.4 KiB
Ruby
require 'spec_helper'
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describe Shoulda::Matchers::ActiveModel::ValidateNumericalityOfMatcher do
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it "should state in its description that it allows only numeric values" do
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matcher = Shoulda::Matchers::ActiveModel::ValidateNumericalityOfMatcher.new(:attr)
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matcher.description.should == "only allow numeric values for attr"
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end
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context "given a numeric attribute" do
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before do
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define_model :example, :attr => :string do
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validates_numericality_of :attr
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end
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@model = Example.new
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end
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it "should only allow numeric values for that attribute" do
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matcher = new_matcher(:attr)
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matcher.matches?(@model).should be_true
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end
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it "should not override the default message with a blank" do
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matcher = new_matcher(:attr)
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matcher.with_message(nil)
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matcher.matches?(@model).should be_true
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end
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context "when asked to enforce integer values for that attribute" do
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it "should not match" do
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matcher = new_matcher(:attr)
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matcher.only_integer
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matcher.matches?(@model).should be_false
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end
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it "should fail with the ActiveRecord :not_an_integer message" do
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matcher = new_matcher(:attr)
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matcher.only_integer
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matcher.matches?(@model)
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matcher.failure_message.should include 'Expected errors to include "must be an integer"'
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end
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end
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end
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context "given a numeric attribute which must be integer" do
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before do
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define_model :example, :attr => :string do
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validates_numericality_of :attr, { :only_integer => true }
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end
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@model = Example.new
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end
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it "allows integer values for that attribute" do
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matcher = new_matcher(:attr)
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matcher.only_integer
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matcher.matches?(@model).should be_true
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end
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it "does not allow non-integer values for that attribute" do
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matcher = new_matcher(:attr)
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matcher.only_integer
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matcher.matches?(@model).should be_true
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end
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it "should state in its description that it allows only integer values" do
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matcher = new_matcher(:attr)
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matcher.only_integer
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matcher.description.should == "only allow numeric, integer values for attr"
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end
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end
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context "given a numeric attribute with a custom validation message" do
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before do
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define_model :example, :attr => :string do
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validates_numericality_of :attr, :message => 'custom'
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end
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@model = Example.new
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end
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it "should only allow numeric values for that attribute with that message" do
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matcher = new_matcher(:attr)
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matcher.with_message(/custom/)
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matcher.matches?(@model).should be_true
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end
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it "should not allow numeric values for that attribute with another message" do
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matcher = new_matcher(:attr)
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matcher.with_message(/wrong/)
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matcher.matches?(@model).should be_false
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end
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end
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context "given a non-numeric attribute" do
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before do
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@model = define_model(:example, :attr => :string).new
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end
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it "should not only allow numeric values for that attribute" do
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matcher = new_matcher(:attr)
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matcher.matches?(@model).should be_false
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end
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it "should fail with the ActiveRecord :not_a_number message" do
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matcher = new_matcher(:attr)
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matcher.matches?(@model)
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matcher.failure_message.should include 'Expected errors to include "is not a number"'
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end
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end
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def new_matcher(attr)
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Shoulda::Matchers::ActiveModel::ValidateNumericalityOfMatcher.new(attr)
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end
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end
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