JezK

Name: test
Start: 2022-11-25
End: 2022-11-25

Edit File: spec_bacon.rb

$-w,w = nil, $-w
require File.join(File.dirname(__FILE__), '../lib/bacon')
$-w = w

# 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 != 1 } }.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.throw" do
    lambda { lambda { throw :foo }.should.throw(:foo) }.should succeed
    lambda { lambda {       :foo }.should.throw(:foo) }.should fail

should.throw(:foo) { throw :foo }
  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.be.identical_to/same_as" do
    lambda { s = "string"; s.should.be.identical_to s }.should succeed
    lambda { "string".should.be.identical_to "string" }.should fail

lambda { s = "string"; s.should.be.same_as s }.should succeed
    lambda { "string".should.be.same_as "string" }.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

it "should have should.flunk" do
    lambda { should.flunk }.should fail
    lambda { should.flunk "yikes" }.should fail
  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
  
  describe "when nested" do
    before do
      @c = 5
    end
    
    it "should run from higher level" do
      @a.should.equal 2
      @b.should.equal 2
    end
    
    it "should run at the nested level" do
      @c.should.equal 5
    end
    
    before do
      @a = 5
    end
    
    it "should run in the right order" do
      @a.should.equal 5
      @a = 2
    end
  end
  
  it "should not run from lower level" do
    @c.should.be.nil
  end
  
  describe "when nested at a sibling level" do
    it "should not run from sibling level" do
      @c.should.be.nil
    end
  end
end

shared "a shared context" do
  it "gets called where it is included" do
    true.should.be.true
  end
end

shared "another shared context" do
  it "can access data" do
    @magic.should.be.equal 42
  end
end

describe "shared/behaves_like" do
  behaves_like "a shared context"

ctx = self
  it "raises NameError when the context is not found" do
    lambda {
      ctx.behaves_like "whoops"
    }.should.raise NameError
  end

behaves_like "a shared context"

before {
    @magic = 42
  }
  behaves_like "another shared context"
end

describe 'describe arguments' do

def check(ctx,name)
    ctx.should.be.an.instance_of Bacon::Context
    ctx.instance_variable_get('@name').should == name
  end

it 'should work with string' do
    check(describe('string') {},'string')
  end

it 'should work with symbols' do
    check(describe(:behaviour) {},'behaviour')
  end
   
  it 'should work with modules' do
    check(describe(Bacon) {},'Bacon')
  end

it 'should work with namespaced modules' do
    check(describe(Bacon::Context) {},'Bacon::Context')
  end

it 'should work with multiple arguments' do
    check(describe(Bacon::Context, :empty) {},'Bacon::Context empty')
  end

end

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Datum

25 Nov. 2022

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13:00 - 18:00

JezK

Edit File: spec_bacon.rb

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