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https://github.com/pry/pry.git
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475b01da9b
Although `_pry_` is a well-established name, it is confusing. `pry_instance` is a clearer name (arguably the best name). This change was dictated by Rubocop but I support it. Therefore, I decided to do it, but I realise it's a big change. `Pry::Command` deprecates `_pry_` and emits a warning. This seems to be the only place where `_pry_` is used publicly. Another place where it may affect the user is the sticky locals area. I don't think it will be a big issue there, though.
670 lines
19 KiB
Ruby
670 lines
19 KiB
Ruby
describe Pry::CommandSet do
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before do
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@set = Pry::CommandSet.new do
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import Pry::Commands
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end
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@ctx = {
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target: binding,
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command_set: @set,
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pry_instance: Pry.new(output: StringIO.new)
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}
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end
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describe "[]=" do
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it "removes a command from the command set" do
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expect(@set["help"]).not_to eq nil
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@set["help"] = nil
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expect(@set["help"]).to eq nil
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expect { @set.run_command(TOPLEVEL_BINDING, "help") }
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.to raise_error Pry::NoCommandError
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end
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it "replaces a command" do
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old_help = @set["help"]
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@set["help"] = @set["pry-version"]
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expect(@set["help"]).not_to eq old_help
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end
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it "rebinds the command with key" do
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@set["help-1"] = @set["help"]
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expect(@set["help-1"].match).to eq "help-1"
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end
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it "raises a TypeError when command is not a subclass of Pry::Command" do
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expect { @set["help"] = "hello" }.to raise_error TypeError
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end
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end
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it 'should call the block used for the command when it is called' do
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run = false
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@set.command 'foo' do
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run = true
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end
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@set.run_command @ctx, 'foo'
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expect(run).to eq true
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end
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it 'should pass arguments of the command to the block' do
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expect do |probe|
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@set.command('foo', &probe)
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@set.run_command(@ctx, 'foo', 1, 2, 3)
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end.to yield_with_args(1, 2, 3)
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end
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it 'should use the first argument as context' do
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inside = inner_scope do |probe|
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@set.command('foo', &probe)
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@set.run_command @ctx, 'foo'
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end
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expect(inside.context).to eq(@ctx)
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end
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it 'should raise an error when calling an undefined command' do
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@set.command('foo') {}
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expect { @set.run_command @ctx, 'bar' }.to raise_error Pry::NoCommandError
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end
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it 'should be able to remove its own commands' do
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@set.command('foo') {}
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@set.delete 'foo'
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expect { @set.run_command @ctx, 'foo' }.to raise_error Pry::NoCommandError
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end
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it 'should be able to remove its own commands, by listing name' do
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@set.command(/^foo1/, 'desc', listing: 'foo') {}
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@set.delete 'foo'
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expect { @set.run_command @ctx, /^foo1/ }.to raise_error Pry::NoCommandError
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end
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it 'should be able to import some commands from other sets' do
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run = false
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other_set = Pry::CommandSet.new do
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command('foo') { run = true }
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command('bar') {}
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end
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@set.import_from(other_set, 'foo')
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@set.run_command @ctx, 'foo'
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expect(run).to eq true
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expect { @set.run_command @ctx, 'bar' }.to raise_error Pry::NoCommandError
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end
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it 'should return command set after import' do
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run = false
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other_set = Pry::CommandSet.new do
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command('foo') { run = true }
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command('bar') {}
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end
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expect(@set.import(other_set)).to eq @set
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end
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it 'should return command set after import_from' do
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run = false
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other_set = Pry::CommandSet.new do
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command('foo') { run = true }
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command('bar') {}
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end
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expect(@set.import_from(other_set, 'foo')).to eq @set
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end
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it 'should be able to import some commands from other sets using listing name' do
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run = false
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other_set = Pry::CommandSet.new do
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command(/^foo1/, 'desc', listing: 'foo') { run = true }
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end
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@set.import_from(other_set, 'foo')
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@set.run_command @ctx, /^foo1/
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expect(run).to eq true
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end
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it 'should be able to import a whole set' do
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run = []
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other_set = Pry::CommandSet.new do
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command('foo') { run << true }
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command('bar') { run << true }
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end
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@set.import other_set
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@set.run_command @ctx, 'foo'
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@set.run_command @ctx, 'bar'
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expect(run).to eq [true, true]
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end
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it 'should be able to import sets at creation' do
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run = false
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@set.command('foo') { run = true }
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Pry::CommandSet.new(@set).run_command @ctx, 'foo'
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expect(run).to eq true
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end
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it 'should set the descriptions of commands' do
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@set.command('foo', 'some stuff') {}
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expect(@set['foo'].description).to eq 'some stuff'
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end
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describe "aliases" do
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it 'should be able to alias command' do
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run = false
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@set.command('foo', 'stuff') { run = true }
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@set.alias_command 'bar', 'foo'
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expect(@set['bar'].match).to eq 'bar'
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expect(@set['bar'].description).to eq 'Alias for `foo`'
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@set.run_command @ctx, 'bar'
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expect(run).to eq true
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end
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it "should be able to alias command with command_prefix" do
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run = false
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begin
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@set.command('owl', 'stuff') { run = true }
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@set.alias_command 'owlet', 'owl'
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Pry.config.command_prefix = '%'
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expect(@set['%owlet'].match).to eq 'owlet'
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expect(@set['%owlet'].description).to eq 'Alias for `owl`'
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@set.run_command @ctx, 'owlet'
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expect(run).to eq true
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ensure
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Pry.config.command_prefix = ''
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end
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end
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it 'should inherit options from original command' do
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run = false
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@set.command('foo', 'stuff', shellwords: true, interpolate: false) { run = true }
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@set.alias_command 'bar', 'foo'
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expect(@set['bar'].options[:shellwords]).to eq @set['foo'].options[:shellwords]
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expect(@set['bar'].options[:interpolate]).to eq @set['foo'].options[:interpolate]
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# however some options should not be inherited
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expect(@set['bar'].options[:listing]).not_to eq @set['foo'].options[:listing]
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expect(@set['bar'].options[:listing]).to eq "bar"
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end
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it 'should be able to specify alias\'s description when aliasing' do
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run = false
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@set.command('foo', 'stuff') { run = true }
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@set.alias_command 'bar', 'foo', desc: "tobina"
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expect(@set['bar'].match).to eq 'bar'
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expect(@set['bar'].description).to eq "tobina"
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@set.run_command @ctx, 'bar'
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expect(run).to eq true
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end
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it "should be able to alias a command by its invocation line" do
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run = false
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@set.command(/^foo1/, 'stuff', listing: 'foo') { run = true }
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@set.alias_command 'bar', 'foo1'
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expect(@set['bar'].match).to eq 'bar'
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expect(@set['bar'].description).to eq 'Alias for `foo1`'
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@set.run_command @ctx, 'bar'
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expect(run).to eq true
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end
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it "should be able to specify options when creating alias" do
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run = false
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@set.command(/^foo1/, 'stuff', listing: 'foo') { run = true }
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@set.alias_command(/^b.r/, 'foo1', listing: "bar")
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expect(@set.to_hash[/^b.r/].options[:listing]).to eq "bar"
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end
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it "should set description to default if description parameter is nil" do
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run = false
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@set.command(/^foo1/, 'stuff', listing: 'foo') { run = true }
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@set.alias_command "bar", 'foo1'
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expect(@set["bar"].description).to eq "Alias for `foo1`"
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end
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end
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it 'should be able to change the descriptions of commands' do
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@set.command('foo', 'bar') {}
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@set.desc 'foo', 'baz'
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expect(@set['foo'].description).to eq 'baz'
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end
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it 'should get the descriptions of commands' do
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@set.command('foo', 'bar') {}
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expect(@set.desc('foo')).to eq 'bar'
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end
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it 'should get the descriptions of commands, by listing' do
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@set.command(/^foo1/, 'bar', listing: 'foo') {}
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expect(@set.desc('foo')).to eq 'bar'
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end
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it 'should return Pry::Command::VOID_VALUE for commands by default' do
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@set.command('foo') { 3 }
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expect(@set.run_command(@ctx, 'foo')).to eq Pry::Command::VOID_VALUE
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end
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it 'should be able to keep return values' do
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@set.command('foo', '', keep_retval: true) { 3 }
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expect(@set.run_command(@ctx, 'foo')).to eq 3
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end
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it 'should be able to keep return values, even if return value is nil' do
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@set.command('foo', '', keep_retval: true) { nil }
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expect(@set.run_command(@ctx, 'foo')).to eq nil
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end
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it 'should be able to have its own helpers' do
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@set.command('foo') { my_helper }
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@set.helpers { def my_helper; end }
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@set.run_command(@ctx, 'foo')
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expect(
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Pry::Command.subclass('foo', '', {}, Module.new).new(target: binding)
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).not_to(respond_to :my_helper)
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end
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it 'should not recreate a new helper module when helpers is called' do
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@set.command('foo') do
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my_helper
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my_other_helper
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end
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@set.helpers do
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def my_helper; end
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end
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@set.helpers do
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def my_other_helper; end
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end
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@set.run_command(@ctx, 'foo')
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end
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it 'should import helpers from imported sets' do
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imported_set = Pry::CommandSet.new do
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helpers do
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def imported_helper_method; end
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end
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end
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@set.import imported_set
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@set.command('foo') { imported_helper_method }
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@set.run_command(@ctx, 'foo')
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end
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it 'should import helpers even if only some commands are imported' do
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imported_set = Pry::CommandSet.new do
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helpers do
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def imported_helper_method; end
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end
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command('bar') {}
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end
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@set.import_from imported_set, 'bar'
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@set.command('foo') { imported_helper_method }
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@set.run_command(@ctx, 'foo')
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end
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it 'should provide a :listing for a command that defaults to its name' do
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@set.command('foo', '') {}
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expect(@set['foo'].options[:listing]).to eq 'foo'
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end
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it 'should provide a :listing for a command that differs from its name' do
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@set.command('foo', '', listing: 'bar') {}
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expect(@set['foo'].options[:listing]).to eq 'bar'
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end
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it "should provide a 'help' command" do
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@ctx[:command_set] = @set
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@ctx[:output] = StringIO.new
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expect { @set.run_command(@ctx, 'help') }.to_not raise_error
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end
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describe "renaming a command" do
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it 'should be able to rename and run a command' do
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run = false
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@set.command('foo') { run = true }
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@set.rename_command('bar', 'foo')
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@set.run_command(@ctx, 'bar')
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expect(run).to eq true
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end
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it 'should accept listing name when renaming a command' do
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run = false
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@set.command('foo', "", listing: 'love') { run = true }
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@set.rename_command('bar', 'love')
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@set.run_command(@ctx, 'bar')
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expect(run).to eq true
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end
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it 'should raise exception trying to rename non-existent command' do
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expect { @set.rename_command('bar', 'foo') }.to raise_error ArgumentError
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end
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it 'should make old command name inaccessible' do
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@set.command('foo') {}
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@set.rename_command('bar', 'foo')
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expect { @set.run_command(@ctx, 'foo') }.to raise_error Pry::NoCommandError
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end
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it 'should be able to pass in options when renaming command' do
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desc = "hello"
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listing = "bing"
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@set.command('foo') {}
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@set.rename_command(
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'bar', 'foo', description: desc, listing: listing, keep_retval: true
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)
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expect(@set['bar'].description).to eq desc
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expect(@set['bar'].options[:listing]).to eq listing
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expect(@set['bar'].options[:keep_retval]).to eq true
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end
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end
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describe "before_* hook" do
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it 'should be called before the original command' do
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foo = []
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@set.command('foo') { foo << 1 }
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@set['foo'].hooks.add_hook('before_foo', 'name') { foo << 2 }
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@set.run_command(@ctx, 'foo')
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expect(foo).to eq [2, 1]
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end
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it 'should be called before the original command, using listing name' do
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foo = []
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@set.command(/^foo1/, '', listing: 'foo') { foo << 1 }
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cmd = @set.find_command_by_match_or_listing('foo')
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cmd.hooks.add_hook('before_foo', 'name') { foo << 2 }
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@set.run_command(@ctx, /^foo1/)
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expect(foo).to eq [2, 1]
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end
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it 'should share the context with the original command' do
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@ctx[:target] = "test target string".__binding__
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before_val = nil
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orig_val = nil
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@set.command('foo') { orig_val = target }
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@set['foo'].hooks.add_hook('before_foo', 'name') { before_val = target }
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@set.run_command(@ctx, 'foo')
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expect(before_val).to eq @ctx[:target]
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expect(orig_val).to eq @ctx[:target]
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end
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it 'should work when applied multiple times' do
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foo = []
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@set.command('foo') { foo << 1 }
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@set['foo'].hooks.add_hook('before_foo', 'name1') { foo << 2 }
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@set['foo'].hooks.add_hook('before_foo', 'name2') { foo << 3 }
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@set['foo'].hooks.add_hook('before_foo', 'name3') { foo << 4 }
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@set.run_command(@ctx, 'foo')
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expect(foo).to eq [2, 3, 4, 1]
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end
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end
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describe "after_* hooks" do
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it 'should be called after the original command' do
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foo = []
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@set.command('foo') { foo << 1 }
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@set['foo'].hooks.add_hook('after_foo', 'name') { foo << 2 }
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@set.run_command(@ctx, 'foo')
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expect(foo).to eq [1, 2]
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end
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it 'should be called after the original command, using listing name' do
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foo = []
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@set.command(/^foo1/, '', listing: 'foo') { foo << 1 }
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cmd = @set.find_command_by_match_or_listing('foo')
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cmd.hooks.add_hook('after_foo', 'name') { foo << 2 }
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@set.run_command(@ctx, /^foo1/)
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expect(foo).to eq [1, 2]
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end
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it 'should share the context with the original command' do
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@ctx[:target] = "test target string".__binding__
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after_val = nil
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orig_val = nil
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@set.command('foo') { orig_val = target }
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@set['foo'].hooks.add_hook('after_foo', 'name') { after_val = target }
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@set.run_command(@ctx, 'foo')
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expect(after_val).to eq @ctx[:target]
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expect(orig_val).to eq @ctx[:target]
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end
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it 'should determine the return value for the command' do
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@set.command('foo', 'bar', keep_retval: true) { 1 }
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@set['foo'].hooks.add_hook('after_foo', 'name') { 2 }
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expect(@set.run_command(@ctx, 'foo')).to eq 2
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end
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it 'should work when applied multiple times' do
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foo = []
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@set.command('foo') { foo << 1 }
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@set['foo'].hooks.add_hook('after_foo', 'name1') { foo << 2 }
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@set['foo'].hooks.add_hook('after_foo', 'name2') { foo << 3 }
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@set['foo'].hooks.add_hook('after_foo', 'name3') { foo << 4 }
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@set.run_command(@ctx, 'foo')
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expect(foo).to eq [1, 2, 3, 4]
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end
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end
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describe "before_command and after_command" do
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it 'should work when combining both before_command and after_command' do
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foo = []
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@set.command('foo') { foo << 1 }
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@set['foo'].hooks.add_hook('after_foo', 'name') { foo << 2 }
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@set['foo'].hooks.add_hook('before_foo', 'name') { foo << 3 }
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@set.run_command(@ctx, 'foo')
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expect(foo).to eq [3, 1, 2]
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end
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end
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describe 'find_command' do
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it 'should find commands with the right string' do
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cmd = @set.command('rincewind') {}
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expect(@set.find_command('rincewind')).to eq cmd
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end
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it 'should not find commands with spaces before' do
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@set.command('luggage') {}
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expect(@set.find_command(' luggage')).to eq nil
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end
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it 'should find commands with arguments after' do
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cmd = @set.command('vetinari') {}
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expect(@set.find_command('vetinari --knock 3')).to eq cmd
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end
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it 'should find commands with names containing spaces' do
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cmd = @set.command('nobby nobbs') {}
|
|
expect(@set.find_command('nobby nobbs --steal petty-cash')).to eq cmd
|
|
end
|
|
|
|
it 'should find command defined by regex' do
|
|
cmd = @set.command(/(capt|captain) vimes/i) {}
|
|
expect(@set.find_command('Capt Vimes')).to eq cmd
|
|
end
|
|
|
|
it 'should find commands defined by regex with arguments' do
|
|
cmd = @set.command(/(cpl|corporal) Carrot/i) {}
|
|
expect(@set.find_command('cpl carrot --write-home')).to eq cmd
|
|
end
|
|
|
|
it 'should not find commands by listing' do
|
|
@set.command(/werewol(f|ve)s?/, 'only once a month', listing: "angua") {}
|
|
expect(@set.find_command('angua')).to eq nil
|
|
end
|
|
|
|
it 'should not find commands without command_prefix' do
|
|
begin
|
|
Pry.config.command_prefix = '%'
|
|
@set.command('detritus') {}
|
|
expect(@set.find_command('detritus')).to eq nil
|
|
ensure
|
|
Pry.config.command_prefix = ''
|
|
end
|
|
end
|
|
|
|
it "should find commands that don't use the prefix" do
|
|
begin
|
|
Pry.config.command_prefix = '%'
|
|
cmd = @set.command('colon', 'Sergeant Fred', use_prefix: false) {}
|
|
expect(@set.find_command('colon')).to eq cmd
|
|
ensure
|
|
Pry.config.command_prefix = ''
|
|
end
|
|
end
|
|
|
|
it "should find the command that has the longest match" do
|
|
@set.command(/\.(.*)/) {}
|
|
cmd2 = @set.command(/\.\|\|(.*)/) {}
|
|
expect(@set.find_command('.||')).to eq cmd2
|
|
end
|
|
|
|
it "should find the command that has the longest name" do
|
|
@set.command(/\.(.*)/) {}
|
|
cmd2 = @set.command('.||') {}
|
|
expect(@set.find_command('.||')).to eq cmd2
|
|
end
|
|
end
|
|
|
|
describe '.valid_command?' do
|
|
it 'should be true for commands that can be found' do
|
|
@set.command('archchancellor')
|
|
expect(@set.valid_command?('archchancellor of_the?(:University)')).to eq true
|
|
end
|
|
|
|
it 'should be false for commands that can\'' do
|
|
expect(@set.valid_command?('def monkey(ape)')).to eq false
|
|
end
|
|
|
|
it 'should not cause argument interpolation' do
|
|
@set.command('hello')
|
|
# rubocop:disable Lint/InterpolationCheck
|
|
expect { @set.valid_command?('hello #{raise "futz"}') }.to_not raise_error
|
|
# rubocop:enable Lint/InterpolationCheck
|
|
end
|
|
end
|
|
|
|
describe '.process_line' do
|
|
it 'should return Result.new(false) if there is no matching command' do
|
|
result = @set.process_line('1 + 42')
|
|
expect(result.command?).to eq false
|
|
expect(result.void_command?).to eq false
|
|
expect(result.retval).to eq nil
|
|
end
|
|
|
|
it 'should return Result.new(true, VOID) if the command is not keep_retval' do
|
|
@set.create_command('mrs-cake') do
|
|
def process
|
|
42
|
|
end
|
|
end
|
|
|
|
result = @set.process_line('mrs-cake')
|
|
expect(result.command?).to eq true
|
|
expect(result.void_command?).to eq true
|
|
expect(result.retval).to eq Pry::Command::VOID_VALUE
|
|
end
|
|
|
|
it 'should return Result.new(true, retval) if the command is keep_retval' do
|
|
@set.create_command('magrat', 'the maiden', keep_retval: true) do
|
|
def process
|
|
42
|
|
end
|
|
end
|
|
|
|
result = @set.process_line('magrat')
|
|
expect(result.command?).to eq true
|
|
expect(result.void_command?).to eq false
|
|
expect(result.retval).to eq 42
|
|
end
|
|
|
|
it 'should pass through context' do
|
|
ctx = {
|
|
eval_string: "bloomers",
|
|
pry_instance: Object.new,
|
|
output: StringIO.new,
|
|
target: binding
|
|
}
|
|
|
|
inside = inner_scope do |probe|
|
|
@set.create_command('agnes') do
|
|
define_method(:process, &probe)
|
|
end
|
|
|
|
@set.process_line('agnes', ctx)
|
|
end
|
|
|
|
expect(inside.eval_string).to eq(ctx[:eval_string])
|
|
expect(inside.output).to eq(ctx[:output])
|
|
expect(inside.target).to eq(ctx[:target])
|
|
expect(inside.pry_instance).to eq(ctx[:pry_instance])
|
|
end
|
|
|
|
it 'should add command_set to context' do
|
|
inside = inner_scope do |probe|
|
|
@set.create_command(/nann+y ogg+/) do
|
|
define_method(:process, &probe)
|
|
end
|
|
|
|
@set.process_line('nannnnnny oggggg')
|
|
end
|
|
|
|
expect(inside.command_set).to eq(@set)
|
|
end
|
|
end
|
|
|
|
if defined?(Bond)
|
|
describe '.complete' do
|
|
it "should list all command names" do
|
|
@set.create_command('susan') {}
|
|
expect(@set.complete('sus')).to.include 'susan '
|
|
end
|
|
|
|
it "should delegate to commands" do
|
|
@set.create_command('susan') do
|
|
def complete(_search)
|
|
['--foo']
|
|
end
|
|
end
|
|
expect(@set.complete('susan ')).to eq ['--foo']
|
|
end
|
|
end
|
|
end
|
|
end
|