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display an error message when cat is invoked without arguments.

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This commit is contained in:
egwspiti 2015-09-03 13:18:48 +03:00
parent fd2e366c2e
commit c591031077
2 changed files with 8 additions and 2 deletions
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4
lib/pry/commands/cat/file_formatter.rb
View file

@ -6,6 +6,8 @@ class Pry
attr_reader :_pry_
def initialize(file_with_embedded_line, _pry_, opts)
raise CommandError, "Must provide a filename, --in, or --ex." if !file_with_embedded_line
@file_with_embedded_line = file_with_embedded_line
@opts = opts
@_pry_ = _pry_
@ -13,8 +15,6 @@ class Pry
end
def format
raise CommandError, "Must provide a filename, --in, or --ex." if !file_with_embedded_line
set_file_and_dir_locals(file_name, _pry_, _pry_.current_context)
decorate(@code_from_file)
end

6
spec/commands/cat_spec.rb
View file

@ -15,6 +15,12 @@ describe "cat" do
end
end
describe "when invoked without arguments" do
it 'should display an error message' do
expect { @t.eval 'cat' }.to raise_error(Pry::CommandError, /Must provide a filename/)
end
end
describe "on receiving a file that does not exist" do
it 'should display an error message' do
expect { @t.eval 'cat supercalifragilicious66' }.to raise_error(StandardError, /Cannot open/)