Created
September 30, 2011 06:02
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module LocalContextFeature | |
def local_context(name, &block) | |
raise NameError, "local context `#{name}' is already defined" if find_local_context(name) | |
@local_contexts ||= {} | |
@local_contexts[name] = block | |
end | |
def include_local_context(name) | |
lc = find_local_context(name) | |
if lc | |
instance_eval(&lc) | |
else | |
raise NameError, "local context `#{name}' is not defined" | |
end | |
end | |
def find_local_context(name) | |
@local_contexts ||= {} | |
@local_contexts[name] || (superclass.respond_to?(:find_local_context) ? superclass.find_local_context(name) : nil) | |
end | |
end | |
class RSpec::Core::ExampleGroup | |
extend LocalContextFeature | |
end | |
describe LocalContextFeature do | |
local_context "test 1" do | |
before do | |
@v = "t1" | |
end | |
end | |
context "already defined" do | |
exception = nil | |
begin | |
local_context "test 1" | |
rescue NameError | |
exception = $! | |
end | |
subject { exception } | |
it { should be_kind_of(NameError) } | |
its(:message){ should == "local context `test 1' is already defined" } | |
end | |
context "include local context" do | |
include_local_context("test 1") | |
subject { @v } | |
it { should == "t1" } | |
end | |
context "not defined" do | |
exception = nil | |
begin | |
include_local_context "test 2" | |
rescue NameError | |
exception = $! | |
end | |
subject { exception } | |
it { should be_kind_of(NameError) } | |
its(:message){ should == "local context `test 2' is not defined" } | |
end | |
context "add local context in sub class" do | |
local_context "test 2" do | |
before do | |
@v2 = "t2" | |
end | |
end | |
context "use local context" do | |
include_local_context "test 1" | |
include_local_context "test 2" | |
it do | |
@v.should == "t1" | |
@v2.should == "t2" | |
end | |
end | |
end | |
context "context defined at other sub class is not available" do | |
exception = nil | |
begin | |
include_local_context "test 2" | |
rescue NameError | |
exception = $! | |
end | |
subject { exception } | |
its(:message){ should == "local context `test 2' is not defined" } | |
end | |
end |
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