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Create PryTester abstraction

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This commit is contained in:
Ryan Fitzgerald 2012-07-24 04:36:53 -04:00
parent 8a19a1996f
commit 544ae03620
2 changed files with 132 additions and 126 deletions
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28
test/helper.rb
View file

@ -203,6 +203,34 @@ ensure
file.close(true) if file
end
def pry_tester(context = nil, &block)
PryTester.new(context).tap do |t|
(class << t; self; end).class_eval(&block)
end
end
class PryTester
attr_reader :pry
def initialize(context)
@pry = Pry.new
if context
@pry.binding_stack << Pry.binding_for(context)
end
end
def eval(*strs)
strs.flatten.map do |str|
if @pry.process_command(str)
result = Thread.current[:__pry_cmd_result__]
result.retval if result
else
@pry.evaluate_ruby(str)
end
end.last
end
end
CommandTester = Pry::CommandSet.new do
command "command1", "command 1 test" do

230
test/test_default_commands/test_cd.rb
View file

@ -1,53 +1,34 @@
require 'helper'
module CdTestHelpers
def binding_stack
evaluate_ruby '_pry_.binding_stack.dup'
end
def assert_binding_stack(other)
binding_stack.map { |b| b.eval('self') }.should == other
end
def command_state
evaluate_ruby '_pry_.command_state["cd"]'
end
def old_stack
evaluate_ruby '_pry_.command_state["cd"].old_stack.dup'
end
def evaluate_self
evaluate_ruby 'self'
end
def process_commands(*args)
args.flatten.each do |cmd|
@pry.process_command cmd
end
end
def evaluate_ruby(ruby)
@pry.evaluate_ruby ruby
end
end
describe 'Pry::DefaultCommands::Cd' do
before do
extend CdTestHelpers
@o, @obj = Object.new, Object.new
@obj.instance_variable_set(:@x, 66)
@obj.instance_variable_set(:@y, 79)
@o.instance_variable_set(:@obj, @obj)
@pry = Pry.new
@pry.binding_stack << Pry.binding_for(@o)
@t = pry_tester(@o) do
def assert_binding_stack(other)
binding_stack.map { |b| b.eval('self') }.should == other
end
def binding_stack
eval '_pry_.binding_stack.dup'
end
def command_state
eval '_pry_.command_state["cd"]'
end
def old_stack
eval '_pry_.command_state["cd"].old_stack.dup'
end
end
end
describe 'state' do
it 'should not to be set up in fresh instance' do
command_state.should.be.nil
@t.command_state.should.be.nil
end
end
@ -55,8 +36,8 @@ describe 'Pry::DefaultCommands::Cd' do
describe 'in fresh pry instance' do
it 'should not toggle when there is no old stack' do
2.times do
process_commands 'cd -'
assert_binding_stack [@o]
@t.eval 'cd -'
@t.assert_binding_stack [@o]
end
end
end
@ -64,185 +45,182 @@ describe 'Pry::DefaultCommands::Cd' do
describe 'when an error was raised' do
it 'should not toggle and should keep correct stacks' do
proc {
process_commands 'cd @'
@t.eval 'cd @'
}.should.raise(Pry::CommandError)
old_stack.should == []
assert_binding_stack [@o]
@t.old_stack.should == []
@t.assert_binding_stack [@o]
process_commands 'cd -'
old_stack.should == []
assert_binding_stack [@o]
@t.eval 'cd -'
@t.old_stack.should == []
@t.assert_binding_stack [@o]
end
end
describe 'when using simple cd syntax' do
it 'should toggle' do
process_commands 'cd :mon_dogg', 'cd -'
assert_binding_stack [@o]
@t.eval 'cd :mon_dogg', 'cd -'
@t.assert_binding_stack [@o]
process_commands 'cd -'
assert_binding_stack [@o, :mon_dogg]
@t.eval 'cd -'
@t.assert_binding_stack [@o, :mon_dogg]
end
end
describe "when using complex cd syntax" do
it 'should toggle with a complex path (simple case)' do
process_commands 'cd 1/2/3', 'cd -'
assert_binding_stack [@o]
@t.eval 'cd 1/2/3', 'cd -'
@t.assert_binding_stack [@o]
process_commands 'cd -'
assert_binding_stack [@o, 1, 2, 3]
@t.eval 'cd -'
@t.assert_binding_stack [@o, 1, 2, 3]
end
it 'should toggle with a complex path (more complex case)' do
process_commands 'cd 1/2/3', 'cd ../4', 'cd -'
assert_binding_stack [@o, 1, 2, 3]
@t.eval 'cd 1/2/3', 'cd ../4', 'cd -'
@t.assert_binding_stack [@o, 1, 2, 3]
process_commands 'cd -'
assert_binding_stack [@o, 1, 2, 4]
@t.eval 'cd -'
@t.assert_binding_stack [@o, 1, 2, 4]
end
end
describe 'series of cd calls' do
it 'should toggle with fuzzy `cd -` calls' do
process_commands 'cd :mon_dogg', 'cd -', 'cd 42', 'cd -'
assert_binding_stack [@o]
@t.eval 'cd :mon_dogg', 'cd -', 'cd 42', 'cd -'
@t.assert_binding_stack [@o]
process_commands 'cd -'
assert_binding_stack [@o, 42]
@t.eval 'cd -'
@t.assert_binding_stack [@o, 42]
end
end
describe 'when using cd ..' do
it 'should toggle with a simple path' do
process_commands 'cd :john_dogg', 'cd ..'
assert_binding_stack [@o]
@t.eval 'cd :john_dogg', 'cd ..'
@t.assert_binding_stack [@o]
process_commands 'cd -'
assert_binding_stack [@o, :john_dogg]
@t.eval 'cd -'
@t.assert_binding_stack [@o, :john_dogg]
end
it 'should toggle with a complex path' do
process_commands 'cd 1/2/3/../4', 'cd -'
assert_binding_stack [@o]
@t.eval 'cd 1/2/3/../4', 'cd -'
@t.assert_binding_stack [@o]
process_commands 'cd -'
assert_binding_stack [@o, 1, 2, 4]
@t.eval 'cd -'
@t.assert_binding_stack [@o, 1, 2, 4]
end
end
describe 'when using cd ::' do
it 'should toggle' do
process_commands 'cd ::', 'cd -'
assert_binding_stack [@o]
@t.eval 'cd ::', 'cd -'
@t.assert_binding_stack [@o]
process_commands 'cd -'
assert_binding_stack [@o, TOPLEVEL_BINDING.eval('self')]
@t.eval 'cd -'
@t.assert_binding_stack [@o, TOPLEVEL_BINDING.eval('self')]
end
end
describe 'when using cd /' do
it 'should toggle' do
process_commands 'cd /', 'cd -'
assert_binding_stack [@o]
@t.eval 'cd /', 'cd -'
@t.assert_binding_stack [@o]
process_commands 'cd :john_dogg', 'cd /', 'cd -'
assert_binding_stack [@o, :john_dogg]
@t.eval 'cd :john_dogg', 'cd /', 'cd -'
@t.assert_binding_stack [@o, :john_dogg]
end
end
describe 'when using ^D (Control-D) key press' do
it 'should keep correct old binding' do
process_commands 'cd :john_dogg', 'cd :mon_dogg', 'cd :kyr_dogg'
evaluate_ruby 'Pry::DEFAULT_CONTROL_D_HANDLER.call("", _pry_)'
assert_binding_stack [@o, :john_dogg, :mon_dogg]
@t.eval 'cd :john_dogg', 'cd :mon_dogg', 'cd :kyr_dogg',
'Pry::DEFAULT_CONTROL_D_HANDLER.call("", _pry_)'
@t.assert_binding_stack [@o, :john_dogg, :mon_dogg]
process_commands 'cd -'
assert_binding_stack [@o, :john_dogg, :mon_dogg, :kyr_dogg]
@t.eval 'cd -'
@t.assert_binding_stack [@o, :john_dogg, :mon_dogg, :kyr_dogg]
process_commands 'cd -'
assert_binding_stack [@o, :john_dogg, :mon_dogg]
@t.eval 'cd -'
@t.assert_binding_stack [@o, :john_dogg, :mon_dogg]
end
end
end
it 'should cd into simple input' do
process_commands 'cd :mon_ouie'
evaluate_self.should == :mon_ouie
@t.eval 'cd :mon_ouie'
@t.eval('self').should == :mon_ouie
end
it 'should break out of session with cd ..' do
process_commands 'cd :outer', 'cd :inner'
evaluate_self.should == :inner
@t.eval 'cd :outer', 'cd :inner'
@t.eval('self').should == :inner
process_commands 'cd ..'
evaluate_self.should == :outer
@t.eval 'cd ..'
@t.eval('self').should == :outer
end
it "should not leave the REPL session when given 'cd ..'" do
process_commands 'cd ..'
evaluate_self.should == @o
@t.eval 'cd ..'
@t.eval('self').should == @o
end
it 'should break out to outer-most session with cd /' do
process_commands 'cd :inner'
evaluate_self.should == :inner
@t.eval 'cd :inner'
@t.eval('self').should == :inner
process_commands 'cd 5'
evaluate_self.should == 5
@t.eval 'cd 5'
@t.eval('self').should == 5
process_commands 'cd /'
evaluate_self.should == @o
@t.eval 'cd /'
@t.eval('self').should == @o
end
it 'should break out to outer-most session with just cd (no args)' do
process_commands 'cd :inner'
evaluate_self.should == :inner
@t.eval 'cd :inner'
@t.eval('self').should == :inner
process_commands 'cd 5'
evaluate_self.should == 5
@t.eval 'cd 5'
@t.eval('self').should == 5
process_commands 'cd'
evaluate_self.should == @o
@t.eval 'cd'
@t.eval('self').should == @o
end
it 'should cd into an object and its ivar using cd obj/@ivar syntax' do
process_commands 'cd @obj/@x'
assert_binding_stack [@o, @obj, 66]
@t.eval 'cd @obj/@x'
@t.assert_binding_stack [@o, @obj, 66]
end
it 'should cd into an object and its ivar using cd obj/@ivar/ syntax (note following /)' do
process_commands 'cd @obj/@x/'
assert_binding_stack [@o, @obj, 66]
@t.eval 'cd @obj/@x/'
@t.assert_binding_stack [@o, @obj, 66]
end
it 'should cd into previous object and its local using cd ../local syntax' do
process_commands 'cd @obj'
evaluate_ruby 'local = :local'
process_commands 'cd @x', 'cd ../local'
assert_binding_stack [@o, @obj, :local]
@t.eval 'cd @obj', 'local = :local', 'cd @x', 'cd ../local'
@t.assert_binding_stack [@o, @obj, :local]
end
it 'should cd into an object and its ivar and back again using cd obj/@ivar/.. syntax' do
process_commands 'cd @obj/@x/..'
assert_binding_stack [@o, @obj]
@t.eval 'cd @obj/@x/..'
@t.assert_binding_stack [@o, @obj]
end
it 'should cd into an object and its ivar and back and then into another ivar using cd obj/@ivar/../@y syntax' do
process_commands 'cd @obj/@x/../@y'
assert_binding_stack [@o, @obj, 79]
@t.eval 'cd @obj/@x/../@y'
@t.assert_binding_stack [@o, @obj, 79]
end
it 'should cd back to top-level and then into another ivar using cd /@ivar/ syntax' do
evaluate_ruby '@z = 20'
process_commands 'cd @obj/@x/', 'cd /@z'
assert_binding_stack [@o, 20]
@t.eval '@z = 20', 'cd @obj/@x/', 'cd /@z'
@t.assert_binding_stack [@o, 20]
end
it 'should start a session on TOPLEVEL_BINDING with cd ::' do
process_commands 'cd ::'
evaluate_self.should == TOPLEVEL_BINDING.eval('self')
@t.eval 'cd ::'
@t.eval('self').should == TOPLEVEL_BINDING.eval('self')
end
it 'should cd into complex input (with spaces)' do
@ -250,23 +228,23 @@ describe 'Pry::DefaultCommands::Cd' do
:mon_ouie
end
process_commands 'cd hello 1, 2, 3'
evaluate_self.should == :mon_ouie
@t.eval 'cd hello 1, 2, 3'
@t.eval('self').should == :mon_ouie
end
it 'should not cd into complex input when it encounters an exception' do
proc {
process_commands 'cd 1/2/swoop_a_doop/3'
@t.eval 'cd 1/2/swoop_a_doop/3'
}.should.raise(Pry::CommandError)
assert_binding_stack [@o]
@t.assert_binding_stack [@o]
end
# Regression test for ticket #516.
# FIXME: This is actually broken.
# it 'should be able to cd into the Object BasicObject' do
# proc {
# process_commands 'cd BasicObject.new'
# @t.eval 'cd BasicObject.new'
# }.should.not.raise
# end
end