Commit 2703330a authored by Douwe Maan's avatar Douwe Maan

Fix behavior around commands with optional arguments

parent 6f2f2a6b
......@@ -18,11 +18,11 @@ module SlashCommands
content, commands = extractor.extract_commands(content, opts)
commands.each do |name, args|
commands.each do |name, arg|
definition = self.class.command_definitions_by_name[name.to_sym]
next unless definition
definition.execute(self, opts, args)
definition.execute(self, opts, arg)
end
[content, @updates]
......
......@@ -28,13 +28,14 @@ module Gitlab
context.instance_exec(&condition_block)
end
def execute(context, opts, args)
def execute(context, opts, arg)
return if noop? || !available?(opts)
block_arity = action_block.arity
return unless (args.present? && block_arity == 1) || (args.blank? && block_arity <= 0)
context.instance_exec(args, &action_block)
if arg.present?
context.instance_exec(arg, &action_block)
elsif action_block.arity == 0
context.instance_exec(&action_block)
end
end
def to_h(opts)
......
......@@ -39,7 +39,7 @@ module Gitlab
content.delete!("\r")
content.gsub!(commands_regex(opts)) do
if $~[:cmd]
commands << [$~[:cmd], $~[:args]].reject(&:blank?)
commands << [$~[:cmd], $~[:arg]].reject(&:blank?)
''
else
$~[0]
......@@ -50,13 +50,14 @@ module Gitlab
end
private
# Builds a regular expression to match known commands.
# First match group captures the command name and
# second match group captures its arguments.
#
# It looks something like:
#
# /^\/(?<cmd>close|reopen|...)(?:( |$))(?<args>[^\/\n]*)(?:\n|$)/
# /^\/(?<cmd>close|reopen|...)(?:( |$))(?<arg>[^\/\n]*)(?:\n|$)/
def commands_regex(opts)
names = command_names(opts).map(&:to_s)
......@@ -64,7 +65,7 @@ module Gitlab
(?<code>
# Code blocks:
# ```
# Anything, including `/cmd args` which are ignored by this filter
# Anything, including `/cmd arg` which are ignored by this filter
# ```
^```
......@@ -75,7 +76,7 @@ module Gitlab
(?<html>
# HTML block:
# <tag>
# Anything, including `/cmd args` which are ignored by this filter
# Anything, including `/cmd arg` which are ignored by this filter
# </tag>
^<[^>]+?>\n
......@@ -86,7 +87,7 @@ module Gitlab
(?<html>
# Quote block:
# >>>
# Anything, including `/cmd args` which are ignored by this filter
# Anything, including `/cmd arg` which are ignored by this filter
# >>>
^>>>
......@@ -102,7 +103,7 @@ module Gitlab
(?<cmd>#{Regexp.union(names)})
(?:
[ ]
(?<args>[^\/\n]*)
(?<arg>[^\/\n]*)
)?
(?:\n|$)
)
......
......@@ -24,7 +24,7 @@ describe Gitlab::SlashCommands::CommandDefinition do
describe "#noop?" do
context "when the command has an action block" do
before do
subject.action_block = -> { }
subject.action_block = proc { }
end
it "returns false" do
......@@ -44,7 +44,7 @@ describe Gitlab::SlashCommands::CommandDefinition do
context "when the command has a condition block" do
before do
subject.condition_block = -> { go }
subject.condition_block = proc { go }
end
context "when the condition block returns true" do
......@@ -78,7 +78,7 @@ describe Gitlab::SlashCommands::CommandDefinition do
it "doesn't execute the command" do
expect(context).not_to receive(:instance_exec)
subject.execute(context, {})
subject.execute(context, {}, nil)
expect(context.run).to be false
end
......@@ -86,52 +86,82 @@ describe Gitlab::SlashCommands::CommandDefinition do
context "when the command is not a noop" do
before do
subject.action_block = -> { self.run = true }
subject.action_block = proc { self.run = true }
end
context "when the command is not available" do
before do
subject.condition_block = -> { false }
subject.condition_block = proc { false }
end
it "doesn't execute the command" do
subject.execute(context, {})
subject.execute(context, {}, nil)
expect(context.run).to be false
end
end
context "when the command is available" do
context "when the command has an exact number of arguments" do
context "when the commnd has no arguments" do
before do
subject.action_block = ->(arg) { self.run = arg }
subject.action_block = proc { self.run = true }
end
context "when the command is provided a wrong number of arguments" do
it "doesn't execute the command" do
subject.execute(context, {}, true, true)
context "when the command is provided an argument" do
it "executes the command" do
subject.execute(context, {}, true)
expect(context.run).to be false
expect(context.run).to be true
end
end
context "when the command is provided the right number of arguments" do
context "when the command is not provided an argument" do
it "executes the command" do
subject.execute(context, {}, nil)
expect(context.run).to be true
end
end
end
context "when the command has 1 required argument" do
before do
subject.action_block = ->(arg) { self.run = arg }
end
context "when the command is provided an argument" do
it "executes the command" do
subject.execute(context, {}, true)
expect(context.run).to be true
end
end
context "when the command is not provided an argument" do
it "doesn't execute the command" do
subject.execute(context, {}, nil)
expect(context.run).to be false
end
end
end
context "when the command has a variable number of arguments" do
context "when the command has 1 optional argument" do
before do
subject.action_block = ->(*args) { self.run = args.first }
subject.action_block = proc { |arg = nil| self.run = arg || true }
end
context "when the command is provided an argument" do
it "executes the command" do
subject.execute(context, {}, true)
expect(context.run).to be true
end
end
context "when the command is provided any number of arguments" do
context "when the command is not provided an argument" do
it "executes the command" do
subject.execute(context, {}, true, true)
subject.execute(context, {}, nil)
expect(context.run).to be true
end
......
......@@ -31,16 +31,12 @@ describe Gitlab::SlashCommands::Dsl do
command :cond_action do |arg|
arg
end
command :wildcard do |*args|
args
end
end
end
describe '.command_definitions' do
it 'returns an array with commands definitions' do
no_args_def, one_arg_def, two_args_def, cc_def, cond_action_def, wildcard_def = DummyClass.command_definitions
no_args_def, one_arg_def, two_args_def, cc_def, cond_action_def = DummyClass.command_definitions
expect(no_args_def.name).to eq(:no_args)
expect(no_args_def.aliases).to eq([:none])
......@@ -76,13 +72,6 @@ describe Gitlab::SlashCommands::Dsl do
expect(cond_action_def.params).to eq([])
expect(cond_action_def.condition_block).to be_a_kind_of(Proc)
expect(cond_action_def.action_block).to be_a_kind_of(Proc)
expect(wildcard_def.name).to eq(:wildcard)
expect(wildcard_def.aliases).to eq([])
expect(wildcard_def.description).to eq('')
expect(wildcard_def.params).to eq([])
expect(wildcard_def.condition_block).to be_nil
expect(wildcard_def.action_block).to be_a_kind_of(Proc)
end
end
end
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