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$: << File.dirname(__FILE__) + '/../lib/'
require 'bacon'
# Hooray for meta-testing.
module MetaTests
def succeed
lambda { |block|
block.should.not.raise Bacon::Error
true
}
end
def fail
lambda { |block|
block.should.raise Bacon::Error
true
}
end
def equal_string(x)
lambda { |s|
x == s.to_s
}
end
end
describe "Bacon" do
extend MetaTests
it "should have should.satisfy" do
lambda { should.satisfy { 1 == 1 } }.should succeed
lambda { should.satisfy { 1 } }.should succeed
lambda { should.satisfy { 1 == 2 } }.should fail
lambda { should.satisfy { false } }.should fail
lambda { should.satisfy { false } }.should fail
lambda { 1.should.satisfy { |n| n % 2 == 0 } }.should fail
lambda { 2.should.satisfy { |n| n % 2 == 0 } }.should succeed
end
it "should have should.equal" do
lambda { "string1".should == "string1" }.should succeed
lambda { "string1".should == "string2" }.should fail
lambda { "1".should == 1 }.should fail
lambda { "string1".should.equal "string1" }.should succeed
lambda { "string1".should.equal "string2" }.should fail
lambda { "1".should.equal 1 }.should fail
end
it "should have should.raise" do
lambda { lambda { raise "Error" }.should.raise }.should succeed
lambda { lambda { raise "Error" }.should.raise RuntimeError }.should succeed
lambda { lambda { raise "Error" }.should.not.raise }.should fail
lambda { lambda { raise "Error" }.should.not.raise(RuntimeError) }.should fail
lambda { lambda { 1 + 1 }.should.raise }.should fail
lambda {
lambda { raise "Error" }.should.raise(Interrupt)
}.should.raise
end
it "should have should.raise with a block" do
lambda { should.raise { raise "Error" } }.should succeed
lambda { should.raise(RuntimeError) { raise "Error" } }.should succeed
lambda { should.not.raise { raise "Error" } }.should fail
lambda { should.not.raise(RuntimeError) { raise "Error" } }.should fail
lambda { should.raise { 1 + 1 } }.should fail
lambda {
should.raise(Interrupt) { raise "Error" }
}.should.raise
end
it "should have a should.raise should return the exception" do
ex = lambda { raise "foo!" }.should.raise
ex.should.be.kind_of RuntimeError
ex.message.should =~ /foo/
end
it "should have should.be.an.instance_of" do
lambda { "string".should.be.instance_of String }.should succeed
lambda { "string".should.be.instance_of Hash }.should fail
lambda { "string".should.be.an.instance_of String }.should succeed
lambda { "string".should.be.an.instance_of Hash }.should fail
end
it "should have should.be.nil" do
lambda { nil.should.be.nil }.should succeed
lambda { nil.should.not.be.nil }.should fail
lambda { "foo".should.be.nil }.should fail
lambda { "foo".should.not.be.nil }.should succeed
end
it "should have should.include" do
lambda { [1,2,3].should.include 2 }.should succeed
lambda { [1,2,3].should.include 4 }.should fail
lambda { {1=>2, 3=>4}.should.include 1 }.should succeed
lambda { {1=>2, 3=>4}.should.include 2 }.should fail
end
it "should have should.be.a.kind_of" do
lambda { Array.should.be.kind_of Module }.should succeed
lambda { "string".should.be.kind_of Object }.should succeed
lambda { 1.should.be.kind_of Comparable }.should succeed
lambda { Array.should.be.a.kind_of Module }.should succeed
lambda { "string".should.be.a.kind_of Class }.should fail
end
it "should have should.match" do
lambda { "string".should.match(/strin./) }.should succeed
lambda { "string".should =~ /strin./ }.should succeed
lambda { "string".should.match(/slin./) }.should fail
lambda { "string".should =~ /slin./ }.should fail
end
it "should have should.not.raise" do
lambda { lambda { 1 + 1 }.should.not.raise }.should succeed
lambda { lambda { 1 + 1 }.should.not.raise(Interrupt) }.should succeed
lambda {
lambda {
lambda {
Kernel.raise ZeroDivisionError.new("ArgumentError")
}.should.not.raise(RuntimeError, Comparable)
}.should.raise ZeroDivisionError
}.should succeed
lambda { lambda { raise "Error" }.should.not.raise }.should fail
end
it "should have should.not.satisfy" do
lambda { should.not.satisfy { 1 == 2 } }.should succeed
lambda { should.not.satisfy { 1 == 1 } }.should fail
end
it "should have should.not.equal" do
lambda { "string1".should.not == "string2" }.should succeed
lambda { "string1".should.not == "string1" }.should fail
end
it "should have should.not.match" do
lambda { "string".should.not.match(/sling/) }.should succeed
lambda { "string".should.not.match(/string/) }.should fail
# lambda { "string".should.not.match("strin") }.should fail
lambda { "string".should.not =~ /sling/ }.should succeed
lambda { "string".should.not =~ /string/ }.should fail
# lambda { "string".should.not =~ "strin" }.should fail
end
it "should have should.respond_to" do
lambda { "foo".should.respond_to :to_s }.should succeed
lambda { 5.should.respond_to :to_str }.should fail
lambda { :foo.should.respond_to :nx }.should fail
end
it "should have should.be.close" do
lambda { 1.4.should.be.close 1.4, 0 }.should succeed
lambda { 0.4.should.be.close 0.5, 0.1 }.should succeed
lambda { 0.4.should.be.close 0.5, 0.05 }.should fail
lambda { 0.4.should.be.close Object.new, 0.1 }.should fail
lambda { 0.4.should.be.close 0.5, -0.1 }.should fail
end
it "should support multiple negation" do
lambda { 1.should.equal 1 }.should succeed
lambda { 1.should.not.equal 1 }.should fail
lambda { 1.should.not.not.equal 1 }.should succeed
lambda { 1.should.not.not.not.equal 1 }.should fail
lambda { 1.should.equal 2 }.should fail
lambda { 1.should.not.equal 2 }.should succeed
lambda { 1.should.not.not.equal 2 }.should fail
lambda { 1.should.not.not.not.equal 2 }.should succeed
end
it "should have should.<predicate>" do
lambda { [].should.be.empty }.should succeed
lambda { [1,2,3].should.not.be.empty }.should succeed
lambda { [].should.not.be.empty }.should fail
lambda { [1,2,3].should.be.empty }.should fail
lambda { {1=>2, 3=>4}.should.has_key 1 }.should succeed
lambda { {1=>2, 3=>4}.should.not.has_key 2 }.should succeed
lambda { nil.should.bla }.should.raise(NoMethodError)
lambda { nil.should.not.bla }.should.raise(NoMethodError)
end
it "should have should <operator> (>, >=, <, <=, ===)" do
lambda { 2.should.be > 1 }.should succeed
lambda { 1.should.be > 2 }.should fail
lambda { 1.should.be < 2 }.should succeed
lambda { 2.should.be < 1 }.should fail
lambda { 2.should.be >= 1 }.should succeed
lambda { 2.should.be >= 2 }.should succeed
lambda { 2.should.be >= 2.1 }.should fail
lambda { 2.should.be <= 1 }.should fail
lambda { 2.should.be <= 2 }.should succeed
lambda { 2.should.be <= 2.1 }.should succeed
lambda { Array.should === [1,2,3] }.should succeed
lambda { Integer.should === [1,2,3] }.should fail
lambda { /foo/.should === "foobar" }.should succeed
lambda { "foobar".should === /foo/ }.should fail
end
it "should allow for custom shoulds" do
lambda { (1+1).should equal_string("2") }.should succeed
lambda { (1+2).should equal_string("2") }.should fail
lambda { (1+1).should.be equal_string("2") }.should succeed
lambda { (1+2).should.be equal_string("2") }.should fail
lambda { (1+1).should.not equal_string("2") }.should fail
lambda { (1+2).should.not equal_string("2") }.should succeed
lambda { (1+2).should.not.not equal_string("2") }.should fail
lambda { (1+1).should.not.be equal_string("2") }.should fail
lambda { (1+2).should.not.be equal_string("2") }.should succeed
end
end
describe "before/after" do
before do
@a = 1
@b = 2
end
before do
@a = 2
end
after do
@a.should.equal 2
@a = 3
end
after do
@a.should.equal 3
end
it "should run in the right order" do
@a.should.equal 2
@b.should.equal 2
end
end
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