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e61354693f
Just discovered this nice feature of RSpec where it can load all files for us. Works with `bundle exec rake` and `bundle exec rspec spec/file_spec.rb`, which covers all use cases.
310 lines
6.7 KiB
Ruby
310 lines
6.7 KiB
Ruby
# Please keep in mind that any hash signs ("#") in the heredoc strings are
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# placed on purpose. Without these editors might remove the whitespace on empty
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# lines.
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describe Pry::Indent do
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before do
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@indent = Pry::Indent.new
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end
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it 'should indent an array' do
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input = "array = [\n10,\n15\n]"
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output = "array = [\n 10,\n 15\n]"
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expect(@indent.indent(input)).to eq output
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end
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it 'should indent a hash' do
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input = "hash = {\n:name => 'Ruby'\n}"
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output = "hash = {\n :name => 'Ruby'\n}"
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expect(@indent.indent(input)).to eq output
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end
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it 'should indent a function' do
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input = "def\nreturn 10\nend"
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output = "def\n return 10\nend"
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expect(@indent.indent(input)).to eq output
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end
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it 'should indent a module and class' do
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input = "module Foo\n# Hello world\nend"
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output = "module Foo\n # Hello world\nend"
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input_class = "class Foo\n# Hello world\nend"
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output_class = "class Foo\n # Hello world\nend"
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expect(@indent.indent(input)).to eq output
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expect(@indent.indent(input_class)).to eq output_class
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end
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it 'should indent separate lines' do
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expect(@indent.indent('def foo')).to eq 'def foo'
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expect(@indent.indent('return 10')).to eq ' return 10'
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expect(@indent.indent('end')).to eq 'end'
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end
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it 'should not indent single line statements' do
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input = <<TXT.strip
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def hello; end
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puts "Hello"
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TXT
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expect(@indent.indent(input)).to eq input
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end
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it 'should handle multiple open and closing tokens on a line' do
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input = <<TXT.strip
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[10, 15].each do |num|
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puts num
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end
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TXT
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output = <<TXT.strip
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[10, 15].each do |num|
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puts num
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end
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TXT
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expect(@indent.indent(input)).to eq output
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end
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it 'should properly indent nested code' do
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input = <<TXT.strip
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module A
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module B
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class C
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attr_accessor :test
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# keep
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def number
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return 10
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end
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end
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end
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end
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TXT
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output = <<TXT.strip
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module A
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module B
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class C
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attr_accessor :test
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# keep
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def number
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return 10
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end
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end
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end
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end
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TXT
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expect(@indent.indent(input)).to eq output
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end
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it 'should indent statements such as if, else, etc' do
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input = <<TXT.strip
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if a == 10
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#
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elsif a == 15
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#
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else
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#
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end
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#
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while true
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#
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end
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#
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for num in [10, 15, 20]
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#
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end
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#
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for num in [10, 15, 20] do
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#
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end
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TXT
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output = <<TXT.strip
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if a == 10
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#
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elsif a == 15
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#
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else
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#
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end
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#
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while true
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#
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end
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#
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for num in [10, 15, 20]
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#
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end
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#
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for num in [10, 15, 20] do
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#
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end
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TXT
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expect(@indent.indent(input)).to eq output
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end
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it "should correctly handle while <foo> do" do
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input = "while 5 do\n5\nend"
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expect(@indent.indent(input)).to eq "while 5 do\n 5\nend"
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end
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it "should ident case statements" do
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input = <<TXT.strip
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case foo
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when 1
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2
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when 2
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if 3
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4
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end
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when 5
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#
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else
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#
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end
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TXT
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output = <<TXT.strip
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case foo
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when 1
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2
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when 2
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if 3
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4
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end
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when 5
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#
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else
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#
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end
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TXT
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expect(@indent.indent(input)).to eq output
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end
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it "should indent correctly with nesting" do
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expect(@indent.indent("[[\n[]]\n]")).to eq "[[\n []]\n]"
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expect(@indent.reset.indent("[[\n[]]\n]")).to eq "[[\n []]\n]"
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expect(@indent.reset.indent("[[{\n[] =>\n[]}]\n]")).to eq "[[{\n [] =>\n []}]\n]"
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end
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it "should not indent single-line ifs" do
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expect(@indent.indent("foo if bar\n#")).to eq "foo if bar\n#"
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expect(@indent.reset.indent("foo() if bar\n#")).to eq "foo() if bar\n#"
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expect(@indent.reset.indent("foo 'hi' if bar\n#")).to eq "foo 'hi' if bar\n#"
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expect(@indent.reset.indent("foo 1 while bar\n#")).to eq "foo 1 while bar\n#"
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expect(@indent.reset.indent("$foo if false\n#")).to eq "$foo if false\n#"
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expect(@indent.reset.indent("@foo if false\n#")).to eq "@foo if false\n#"
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expect(@indent.reset.indent("@@foo if false\n#")).to eq "@@foo if false\n#"
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expect(@indent.reset.indent("super if true\n#")).to eq "super if true\n#"
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expect(@indent.reset.indent("true if false\n#")).to eq "true if false\n#"
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expect(@indent.reset.indent("String if false\n#")).to eq "String if false\n#"
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end
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it "should indent cunningly disguised ifs" do
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expect(@indent.indent("{1 => if bar\n#")).to eq "{1 => if bar\n #"
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expect(@indent.reset.indent("foo(if bar\n#")).to eq "foo(if bar\n #"
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expect(@indent.reset.indent("bar(baz, if bar\n#")).to eq "bar(baz, if bar\n #"
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expect(@indent.reset.indent("[if bar\n#")).to eq "[if bar\n #"
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expect(@indent.reset.indent("true; while bar\n#")).to eq "true; while bar\n #"
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end
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it "should differentiate single/multi-line unless" do
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expect(@indent.indent("foo unless bar\nunless foo\nbar\nend")).to eq "foo unless bar\nunless foo\n bar\nend"
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end
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it "should not indent single/multi-line until" do
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expect(@indent.indent("%w{baz} until bar\nuntil foo\nbar\nend")).to eq "%w{baz} until bar\nuntil foo\n bar\nend"
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end
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it "should indent begin rescue end" do
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input = <<INPUT.strip
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begin
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doo :something => :wrong
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rescue => e
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doit :right
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end
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INPUT
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output = <<OUTPUT.strip
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begin
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doo :something => :wrong
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rescue => e
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doit :right
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end
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OUTPUT
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expect(@indent.indent(input)).to eq output
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end
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it "should not indent single-line rescue" do
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input = <<INPUT.strip
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def test
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puts "something" rescue "whatever"
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end
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INPUT
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expect(@indent.indent(input)).to eq input
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end
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it "should not indent inside strings" do
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expect(@indent.indent(%(def a\n"foo\nbar"\n end))).to eq %(def a\n "foo\nbar"\nend)
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expect(@indent.indent(%(def a\nputs %w(foo\nbar), 'foo\nbar'\n end))).to eq %(def a\n puts %w(foo\nbar), 'foo\nbar'\nend)
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end
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it "should not indent inside HEREDOCs" do
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expect(@indent.indent(%(def a\nputs <<FOO\n bar\nFOO\nbaz\nend))).to eq %(def a\n puts <<FOO\n bar\nFOO\n baz\nend)
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expect(@indent.indent(%(def a\nputs <<-'^^'\n bar\n\t^^\nbaz\nend))).to eq %(def a\n puts <<-'^^'\n bar\n\t^^\n baz\nend)
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end
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it "should not indent nested HEREDOCs" do
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input = <<INPUT.strip
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def a
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puts <<FOO, <<-BAR, "baz", <<-':p'
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foo
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FOO
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bar
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BAR
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tongue
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:p
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puts :p
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end
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INPUT
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output = <<OUTPUT.strip
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def a
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puts <<FOO, <<-BAR, "baz", <<-':p'
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foo
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FOO
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bar
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BAR
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tongue
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:p
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puts :p
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end
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OUTPUT
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expect(@indent.indent(input)).to eq output
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end
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describe "nesting" do
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test = File.read("spec/fixtures/example_nesting.rb")
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test.lines.each_with_index do |line, i|
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result = line.split("#").last.strip
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if result == ""
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it "should fail to parse nesting on line #{i + 1} of example_nesting.rb" do
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expect { Pry::Indent.nesting_at(test, i + 1) }.to raise_error Pry::Indent::UnparseableNestingError
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end
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else
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it "should parse nesting on line #{i + 1} of example_nesting.rb" do
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expect(Pry::Indent.nesting_at(test, i + 1)).to eq eval(result)
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end
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end
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end
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end
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end
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