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filtering.feature
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filtering.feature
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Feature: filters
`before`, `after`, and `around` hooks defined in the block passed to
`RSpec.configure` can be constrained to specific examples and/or groups using
metadata as a filter.
RSpec.configure do |c|
c.before(:each, :type => :model) do
end
end
describe "something", :type => :model do
end
You can specify metadata using only symbols if you set the
`treat_symbols_as_metadata_keys_with_true_values` config option to `true`.
Scenario: filter `before(:each)` hooks using arbitrary metadata
Given a file named "filter_before_each_hooks_spec.rb" with:
"""
RSpec.configure do |config|
config.before(:each, :foo => :bar) do
invoked_hooks << :before_each_foo_bar
end
end
describe "a filtered before :each hook" do
let(:invoked_hooks) { [] }
describe "group without matching metadata" do
it "does not run the hook" do
invoked_hooks.should be_empty
end
it "runs the hook for an example with matching metadata", :foo => :bar do
invoked_hooks.should == [:before_each_foo_bar]
end
end
describe "group with matching metadata", :foo => :bar do
it "runs the hook" do
invoked_hooks.should == [:before_each_foo_bar]
end
end
end
"""
When I run `rspec filter_before_each_hooks_spec.rb`
Then the examples should all pass
Scenario: filter `after(:each)` hooks using arbitrary metadata
Given a file named "filter_after_each_hooks_spec.rb" with:
"""
RSpec.configure do |config|
config.after(:each, :foo => :bar) do
raise "boom!"
end
end
describe "a filtered after :each hook" do
describe "group without matching metadata" do
it "does not run the hook" do
# should pass
end
it "runs the hook for an example with matching metadata", :foo => :bar do
# should fail
end
end
describe "group with matching metadata", :foo => :bar do
it "runs the hook" do
# should fail
end
end
end
"""
When I run `rspec filter_after_each_hooks_spec.rb`
Then the output should contain "3 examples, 2 failures"
Scenario: filter around(:each) hooks using arbitrary metadata
Given a file named "filter_around_each_hooks_spec.rb" with:
"""
RSpec.configure do |config|
config.around(:each, :foo => :bar) do |example|
order << :before_around_each_foo_bar
example.run
order.should == [:before_around_each_foo_bar, :example]
end
end
describe "a filtered around(:each) hook" do
let(:order) { [] }
describe "a group without matching metadata" do
it "does not run the hook" do
order.should be_empty
end
it "runs the hook for an example with matching metadata", :foo => :bar do
order.should == [:before_around_each_foo_bar]
order << :example
end
end
describe "a group with matching metadata", :foo => :bar do
it "runs the hook for an example with matching metadata", :foo => :bar do
order.should == [:before_around_each_foo_bar]
order << :example
end
end
end
"""
When I run `rspec filter_around_each_hooks_spec.rb`
Then the examples should all pass
Scenario: filter before(:all) hooks using arbitrary metadata
Given a file named "filter_before_all_hooks_spec.rb" with:
"""
RSpec.configure do |config|
config.before(:all, :foo => :bar) { @hook = :before_all_foo_bar }
end
describe "a filtered before(:all) hook" do
describe "a group without matching metadata" do
it "does not run the hook" do
@hook.should be_nil
end
describe "a nested subgroup with matching metadata", :foo => :bar do
it "runs the hook" do
@hook.should == :before_all_foo_bar
end
end
end
describe "a group with matching metadata", :foo => :bar do
it "runs the hook" do
@hook.should == :before_all_foo_bar
end
describe "a nested subgroup" do
it "runs the hook" do
@hook.should == :before_all_foo_bar
end
end
end
end
"""
When I run `rspec filter_before_all_hooks_spec.rb`
Then the examples should all pass
Scenario: filter after(:all) hooks using arbitrary metadata
Given a file named "filter_after_all_hooks_spec.rb" with:
"""
example_msgs = []
RSpec.configure do |config|
config.after(:all, :foo => :bar) do
puts "after :all"
end
end
describe "a filtered after(:all) hook" do
describe "a group without matching metadata" do
it "does not run the hook" do
puts "unfiltered"
end
end
describe "a group with matching metadata", :foo => :bar do
it "runs the hook" do
puts "filtered 1"
end
end
describe "another group without matching metadata" do
describe "a nested subgroup with matching metadata", :foo => :bar do
it "runs the hook" do
puts "filtered 2"
end
end
end
end
"""
When I run `rspec --format progress filter_after_all_hooks_spec.rb`
Then the examples should all pass
And the output should contain:
"""
unfiltered
.filtered 1
.after :all
filtered 2
.after :all
"""
Scenario: Use symbols as metadata
Given a file named "less_verbose_metadata_filter.rb" with:
"""
RSpec.configure do |c|
c.treat_symbols_as_metadata_keys_with_true_values = true
c.before(:each, :before_each) { puts "before each" }
c.after(:each, :after_each) { puts "after each" }
c.around(:each, :around_each) do |example|
puts "around each (before)"
example.run
puts "around each (after)"
end
c.before(:all, :before_all) { puts "before all" }
c.after(:all, :after_all) { puts "after all" }
end
describe "group 1", :before_all, :after_all do
it("") { puts "example 1" }
it("", :before_each) { puts "example 2" }
it("", :after_each) { puts "example 3" }
it("", :around_each) { puts "example 4" }
end
"""
When I run `rspec --format progress less_verbose_metadata_filter.rb`
Then the examples should all pass
And the output should contain:
"""
before all
example 1
.before each
example 2
.example 3
after each
.around each (before)
example 4
around each (after)
.after all
"""