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require 'spec_helper'
describe "expect(...).to respond_to(:sym)" do
it_behaves_like "an RSpec matcher", :valid_value => "s", :invalid_value => 5 do
let(:matcher) { respond_to(:upcase) }
end
it "passes if target responds to :sym" do
expect(Object.new).to respond_to(:methods)
end
it "fails if target does not respond to :sym" do
expect {
expect("this string").to respond_to(:some_method)
}.to fail_with(%q|expected "this string" to respond to :some_method|)
end
end
describe "expect(...).to respond_to(:sym).with(1).argument" do
it "passes if target responds to :sym with 1 arg" do
obj = Object.new
def obj.foo(arg); end
expect(obj).to respond_to(:foo).with(1).argument
end
it "passes if target responds to any number of arguments" do
obj = Object.new
def obj.foo(*args); end
expect(obj).to respond_to(:foo).with(1).argument
end
it "passes if target responds to one or more arguments" do
obj = Object.new
def obj.foo(a, *args); end
expect(obj).to respond_to(:foo).with(1).argument
end
it "fails if target does not respond to :sym" do
obj = Object.new
expect {
expect(obj).to respond_to(:some_method).with(1).argument
}.to fail_with(/expected .* to respond to :some_method/)
end
it "fails if :sym expects 0 args" do
obj = Object.new
def obj.foo; end
expect {
expect(obj).to respond_to(:foo).with(1).argument
}.to fail_with(/expected #<Object.*> to respond to :foo with 1 argument/)
end
it "fails if :sym expects 2 args" do
obj = Object.new
def obj.foo(arg, arg2); end
expect {
expect(obj).to respond_to(:foo).with(1).argument
}.to fail_with(/expected #<Object.*> to respond to :foo with 1 argument/)
end
it "fails if :sym expects 2 or more args" do
obj = Object.new
def obj.foo(arg, arg2, *args); end
expect {
expect(obj).to respond_to(:foo).with(1).argument
}.to fail_with(/expected #<Object.*> to respond to :foo with 1 argument/)
end
end
describe "expect(...).to respond_to(message1, message2)" do
it "passes if target responds to both messages" do
expect(Object.new).to respond_to('methods', 'inspect')
end
it "fails if target does not respond to first message" do
expect {
expect(Object.new).to respond_to('method_one', 'inspect')
}.to fail_with(/expected #<Object:.*> to respond to "method_one"/)
end
it "fails if target does not respond to second message" do
expect {
expect(Object.new).to respond_to('inspect', 'method_one')
}.to fail_with(/expected #<Object:.*> to respond to "method_one"/)
end
it "fails if target does not respond to either message" do
expect {
expect(Object.new).to respond_to('method_one', 'method_two')
}.to fail_with(/expected #<Object:.*> to respond to "method_one", "method_two"/)
end
end
describe "expect(...).to respond_to(:sym).with(2).arguments" do
it "passes if target responds to :sym with 2 args" do
obj = Object.new
def obj.foo(a1, a2); end
expect(obj).to respond_to(:foo).with(2).arguments
end
it "passes if target responds to any number of arguments" do
obj = Object.new
def obj.foo(*args); end
expect(obj).to respond_to(:foo).with(2).arguments
end
it "passes if target responds to one or more arguments" do
obj = Object.new
def obj.foo(a, *args); end
expect(obj).to respond_to(:foo).with(2).arguments
end
it "passes if target responds to two or more arguments" do
obj = Object.new
def obj.foo(a, b, *args); end
expect(obj).to respond_to(:foo).with(2).arguments
end
it "fails if target does not respond to :sym" do
obj = Object.new
expect {
expect(obj).to respond_to(:some_method).with(2).arguments
}.to fail_with(/expected .* to respond to :some_method/)
end
it "fails if :sym expects 0 args" do
obj = Object.new
def obj.foo; end
expect {
expect(obj).to respond_to(:foo).with(2).arguments
}.to fail_with(/expected #<Object.*> to respond to :foo with 2 arguments/)
end
it "fails if :sym expects 1 args" do
obj = Object.new
def obj.foo(arg); end
expect {
expect(obj).to respond_to(:foo).with(2).arguments
}.to fail_with(/expected #<Object.*> to respond to :foo with 2 arguments/)
end
it "fails if :sym expects 3 or more args" do
obj = Object.new
def obj.foo(arg, arg2, arg3, *args); end
expect {
expect(obj).to respond_to(:foo).with(2).arguments
}.to fail_with(/expected #<Object.*> to respond to :foo with 2 arguments/)
end
end
describe "expect(...).not_to respond_to(:sym)" do
it "passes if target does not respond to :sym" do
expect(Object.new).not_to respond_to(:some_method)
end
it "fails if target responds to :sym" do
expect {
expect(Object.new).not_to respond_to(:methods)
}.to fail_with(/expected #<Object:.*> not to respond to :methods/)
end
end
describe "expect(...).not_to respond_to(:sym).with(1).argument" do
it "fails if target responds to :sym with 1 arg" do
obj = Object.new
def obj.foo(arg); end
expect {
expect(obj).not_to respond_to(:foo).with(1).argument
}.to fail_with(/expected #<Object:.*> not to respond to :foo with 1 argument/)
end
it "fails if target responds to :sym with any number of args" do
obj = Object.new
def obj.foo(*args); end
expect {
expect(obj).not_to respond_to(:foo).with(1).argument
}.to fail_with(/expected #<Object:.*> not to respond to :foo with 1 argument/)
end
it "fails if target responds to :sym with one or more args" do
obj = Object.new
def obj.foo(a, *args); end
expect {
expect(obj).not_to respond_to(:foo).with(1).argument
}.to fail_with(/expected #<Object:.*> not to respond to :foo with 1 argument/)
end
it "passes if target does not respond to :sym" do
obj = Object.new
expect(obj).not_to respond_to(:some_method).with(1).argument
end
it "passes if :sym expects 0 args" do
obj = Object.new
def obj.foo; end
expect(obj).not_to respond_to(:foo).with(1).argument
end
it "passes if :sym expects 2 args" do
obj = Object.new
def obj.foo(arg, arg2); end
expect(obj).not_to respond_to(:foo).with(1).argument
end
it "passes if :sym expects 2 or more args" do
obj = Object.new
def obj.foo(arg, arg2, *args); end
expect(obj).not_to respond_to(:foo).with(1).argument
end
end
describe "expect(...).not_to respond_to(message1, message2)" do
it "passes if target does not respond to either message1 or message2" do
expect(Object.new).not_to respond_to(:some_method, :some_other_method)
end
it "fails if target responds to message1 but not message2" do
expect {
expect(Object.new).not_to respond_to(:object_id, :some_method)
}.to fail_with(/expected #<Object:.*> not to respond to :object_id/)
end
it "fails if target responds to message2 but not message1" do
expect {
expect(Object.new).not_to respond_to(:some_method, :object_id)
}.to fail_with(/expected #<Object:.*> not to respond to :object_id/)
end
it "fails if target responds to both message1 and message2" do
expect {
expect(Object.new).not_to respond_to(:class, :object_id)
}.to fail_with(/expected #<Object:.*> not to respond to :class, :object_id/)
end
end
describe "expect(...).not_to respond_to(:sym).with(2).arguments" do
it "fails if target responds to :sym with 2 args" do
obj = Object.new
def obj.foo(a1, a2); end
expect {
expect(obj).not_to respond_to(:foo).with(2).arguments
}.to fail_with(/expected .* not to respond to :foo with 2 arguments/)
end
it "fails if target responds to :sym with any number args" do
obj = Object.new
def obj.foo(*args); end
expect {
expect(obj).not_to respond_to(:foo).with(2).arguments
}.to fail_with(/expected .* not to respond to :foo with 2 arguments/)
end
it "fails if target responds to :sym with one or more args" do
obj = Object.new
def obj.foo(a, *args); end
expect {
expect(obj).not_to respond_to(:foo).with(2).arguments
}.to fail_with(/expected .* not to respond to :foo with 2 arguments/)
end
it "fails if target responds to :sym with two or more args" do
obj = Object.new
def obj.foo(a, b, *args); end
expect {
expect(obj).not_to respond_to(:foo).with(2).arguments
}.to fail_with(/expected .* not to respond to :foo with 2 arguments/)
end
it "passes if target does not respond to :sym" do
obj = Object.new
expect(obj).not_to respond_to(:some_method).with(2).arguments
end
it "passes if :sym expects 0 args" do
obj = Object.new
def obj.foo; end
expect(obj).not_to respond_to(:foo).with(2).arguments
end
it "passes if :sym expects 2 args" do
obj = Object.new
def obj.foo(arg); end
expect(obj).not_to respond_to(:foo).with(2).arguments
end
it "passes if :sym expects 3 or more args" do
obj = Object.new
def obj.foo(a, b, c, *arg); end
expect(obj).not_to respond_to(:foo).with(2).arguments
end
end
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