master/spec/guard/watcher_spec.rb

135 lines
5.4 KiB
Ruby

require 'spec_helper'
require 'guard/guard'
describe Guard::Watcher do
describe "pattern" do
it "should be required" do
expect { Guard::Watcher.new }.to raise_error(ArgumentError)
end
it "should be set" do
Guard::Watcher.new(%|spec_helper\.rb|).pattern.should == %|spec_helper\.rb|
end
end
describe "action" do
it "should set action to nil by default" do
Guard::Watcher.new(%|spec_helper\.rb|).action.should be_nil
end
it "should set action with a block" do
action = lambda { |m| "spec/#{m[1]}_spec.rb" }
Guard::Watcher.new(%|^lib/(.*).rb|, action).action.should == action
end
end
describe ".match_files" do
before(:all) { @guard = Guard::Guard.new }
describe "a watcher's with no action" do
before(:all) { @guard.watchers = [Guard::Watcher.new(%|.*_spec\.rb|)] }
it "should return paths as they came" do
Guard::Watcher.match_files(@guard, ['guard_rocks_spec.rb']).should == ['guard_rocks_spec.rb']
end
end
describe "a watcher's action with an arity equal to 0" do
before(:all) do
@guard.watchers = [
Guard::Watcher.new(%|spec_helper\.rb|, lambda { 'spec' }),
Guard::Watcher.new(%|addition\.rb|, lambda { 1 + 1 }),
Guard::Watcher.new(%|hash\.rb|, lambda { Hash[:foo, 'bar'] }),
Guard::Watcher.new(%|array\.rb|, lambda { ['foo', 'bar'] }),
Guard::Watcher.new(%|blank\.rb|, lambda { '' }),
Guard::Watcher.new(%|uptime\.rb|, lambda { `uptime > /dev/null` })
]
end
it "should return paths specified in the watcher's action" do
Guard::Watcher.match_files(@guard, ['spec_helper.rb']).should == ['spec']
end
it "should return nothing if action.call doesn't respond_to :empty?" do
Guard::Watcher.match_files(@guard, ['addition.rb']).should == []
end
it "should return action.call.to_a if result respond_to :empty?" do
Guard::Watcher.match_files(@guard, ['hash.rb']).should == ['foo', 'bar']
end
it "should return files including files from array if paths are an array" do
Guard::Watcher.match_files(@guard, ['spec_helper.rb', 'array.rb']).should == ['spec', 'foo', 'bar']
end
it "should return nothing if action.call return ''" do
Guard::Watcher.match_files(@guard, ['blank.rb']).should == []
end
it "should return nothing if action.call return nil" do
Guard::Watcher.match_files(@guard, ['uptime.rb']).should == []
end
end
describe "a watcher's action with an arity equal to 1" do
before(:all) do
@guard.watchers = [
Guard::Watcher.new(%|lib/(.*)\.rb|, lambda { |m| "spec/#{m[1]}_spec.rb" }),
Guard::Watcher.new(%|addition(.*)\.rb|, lambda { |m| 1 + 1 }),
Guard::Watcher.new(%|hash\.rb|, lambda { Hash[:foo, 'bar'] }),
Guard::Watcher.new(%|array(.*)\.rb|, lambda { |m| ['foo', 'bar'] }),
Guard::Watcher.new(%|blank(.*)\.rb|, lambda { |m| '' }),
Guard::Watcher.new(%|uptime(.*)\.rb|, lambda { |m| `uptime > /dev/null` })
]
end
it "should return paths after watcher's action has been called against them" do
Guard::Watcher.match_files(@guard, ['lib/my_wonderful_lib.rb']).should == ['spec/my_wonderful_lib_spec.rb']
end
it "should return nothing if action.call doesn't respond_to :empty?" do
Guard::Watcher.match_files(@guard, ['addition.rb']).should == []
end
it "should return action.call.to_a if result respond_to :empty?" do
Guard::Watcher.match_files(@guard, ['hash.rb']).should == ['foo', 'bar']
end
it "should return files including files from array if paths are an array" do
Guard::Watcher.match_files(@guard, ['lib/my_wonderful_lib.rb', 'array.rb']).should == ['spec/my_wonderful_lib_spec.rb', 'foo', 'bar']
end
it "should return nothing if action.call return ''" do
Guard::Watcher.match_files(@guard, ['blank.rb']).should == []
end
it "should return nothing if action.call return nil" do
Guard::Watcher.match_files(@guard, ['uptime.rb']).should == []
end
end
describe "an exception is raised" do
before(:all) { @guard.watchers = [Guard::Watcher.new('evil.rb', lambda { raise "EVIL" })] }
it "should display an error" do
Guard::UI.should_receive(:error).with("Problem with watch action!")
Guard::Watcher.match_files(@guard, ['evil.rb'])
end
end
end
describe ".match_files?" do
before(:all) do
@guard1 = Guard::Guard.new([Guard::Watcher.new(%|.*_spec\.rb|)])
@guard2 = Guard::Guard.new([Guard::Watcher.new(%|spec_helper\.rb|, 'spec')])
@guards = [@guard1, @guard2]
end
describe "with at least on watcher that match a file given" do
specify { Guard::Watcher.match_files?(@guards, ['lib/my_wonderful_lib.rb', 'guard_rocks_spec.rb']).should be_true }
end
describe "with no watcher matching a file given" do
specify { Guard::Watcher.match_files?(@guards, ['lib/my_wonderful_lib.rb']).should be_false }
end
end
describe "#match_file?" do
subject { Guard::Watcher.new(%|.*_spec\.rb|) }
specify { subject.match_file?('lib/my_wonderful_lib.rb').should be_false }
specify { subject.match_file?('guard_rocks_spec.rb').should be_true }
end
end