157 lines
4.2 KiB
CoffeeScript
157 lines
4.2 KiB
CoffeeScript
# Interpolation
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# -------------
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# * String Interpolation
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# * Regular Expression Interpolation
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# String Interpolation
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# TODO: refactor string interpolation tests
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eq 'multiline nested "interpolations" work', """multiline #{
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"nested #{
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ok true
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"\"interpolations\""
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}"
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} work"""
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# Issue #923: Tricky interpolation.
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eq "#{ "{" }", "{"
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eq "#{ '#{}}' } }", '#{}} }'
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eq "#{"'#{ ({a: "b#{1}"}['a']) }'"}", "'b1'"
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# Issue #1150: String interpolation regression
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eq "#{'"/'}", '"/'
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eq "#{"/'"}", "/'"
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eq "#{/'"/}", '/\'"/'
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eq "#{"'/" + '/"' + /"'/}", '\'//"/"\'/'
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eq "#{"'/"}#{'/"'}#{/"'/}", '\'//"/"\'/'
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eq "#{6 / 2}", '3'
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eq "#{6 / 2}#{6 / 2}", '33' # parsed as division
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eq "#{6 + /2}#{6/ + 2}", '6/2}#{6/2' # parsed as a regex
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eq "#{6/2}
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#{6/2}", '3 3' # newline cannot be part of a regex, so it's division
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eq "#{/// "'/'"/" ///}", '/"\'\\/\'"\\/"/' # heregex, stuffed with spicy characters
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eq "#{/\\'/}", "/\\\\'/"
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# Issue #2321: Regex/division conflict in interpolation
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eq "#{4/2}/", '2/'
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curWidth = 4
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eq "<i style='left:#{ curWidth/2 }%;'></i>", "<i style='left:2%;'></i>"
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throws -> CoffeeScript.compile '''
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"<i style='left:#{ curWidth /2 }%;'></i>"'''
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# valid regex--^^^^^^^^^^^ ^--unclosed string
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eq "<i style='left:#{ curWidth/2 }%;'></i>", "<i style='left:2%;'></i>"
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eq "<i style='left:#{ curWidth/ 2 }%;'></i>", "<i style='left:2%;'></i>"
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eq "<i style='left:#{ curWidth / 2 }%;'></i>", "<i style='left:2%;'></i>"
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hello = 'Hello'
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world = 'World'
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ok '#{hello} #{world}!' is '#{hello} #{world}!'
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ok "#{hello} #{world}!" is 'Hello World!'
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ok "[#{hello}#{world}]" is '[HelloWorld]'
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ok "#{hello}##{world}" is 'Hello#World'
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ok "Hello #{ 1 + 2 } World" is 'Hello 3 World'
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ok "#{hello} #{ 1 + 2 } #{world}" is "Hello 3 World"
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ok 1 + "#{2}px" is '12px'
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ok isNaN "a#{2}" * 2
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ok "#{2}" is '2'
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ok "#{2}#{2}" is '22'
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[s, t, r, i, n, g] = ['s', 't', 'r', 'i', 'n', 'g']
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ok "#{s}#{t}#{r}#{i}#{n}#{g}" is 'string'
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ok "\#{s}\#{t}\#{r}\#{i}\#{n}\#{g}" is '#{s}#{t}#{r}#{i}#{n}#{g}'
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ok "\#{string}" is '#{string}'
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ok "\#{Escaping} first" is '#{Escaping} first'
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ok "Escaping \#{in} middle" is 'Escaping #{in} middle'
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ok "Escaping \#{last}" is 'Escaping #{last}'
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ok "##" is '##'
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ok "#{}" is ''
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ok "#{}A#{} #{} #{}B#{}" is 'A B'
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ok "\\\#{}" is '\\#{}'
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ok "I won ##{20} last night." is 'I won #20 last night.'
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ok "I won ##{'#20'} last night." is 'I won ##20 last night.'
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ok "#{hello + world}" is 'HelloWorld'
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ok "#{hello + ' ' + world + '!'}" is 'Hello World!'
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list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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ok "values: #{list.join(', ')}, length: #{list.length}." is 'values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, length: 10.'
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ok "values: #{list.join ' '}" is 'values: 0 1 2 3 4 5 6 7 8 9'
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obj = {
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name: 'Joe'
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hi: -> "Hello #{@name}."
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cya: -> "Hello #{@name}.".replace('Hello','Goodbye')
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}
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ok obj.hi() is "Hello Joe."
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ok obj.cya() is "Goodbye Joe."
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ok "With #{"quotes"}" is 'With quotes'
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ok 'With #{"quotes"}' is 'With #{"quotes"}'
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ok "Where is #{obj["name"] + '?'}" is 'Where is Joe?'
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ok "Where is #{"the nested #{obj["name"]}"}?" is 'Where is the nested Joe?'
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ok "Hello #{world ? "#{hello}"}" is 'Hello World'
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ok "Hello #{"#{"#{obj["name"]}" + '!'}"}" is 'Hello Joe!'
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a = """
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Hello #{ "Joe" }
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"""
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ok a is "Hello Joe"
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a = 1
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b = 2
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c = 3
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ok "#{a}#{b}#{c}" is '123'
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result = null
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stash = (str) -> result = str
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stash "a #{ ('aa').replace /a/g, 'b' } c"
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ok result is 'a bb c'
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foo = "hello"
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ok "#{foo.replace("\"", "")}" is 'hello'
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val = 10
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a = """
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basic heredoc #{val}
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on two lines
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"""
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b = '''
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basic heredoc #{val}
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on two lines
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'''
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ok a is "basic heredoc 10\non two lines"
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ok b is "basic heredoc \#{val}\non two lines"
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eq 'multiline nested "interpolations" work', """multiline #{
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"nested #{(->
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ok yes
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"\"interpolations\""
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)()}"
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} work"""
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eq 'function(){}', "#{->}".replace /\s/g, ''
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ok /^a[\s\S]+b$/.test "a#{=>}b"
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ok /^a[\s\S]+b$/.test "a#{ (x) -> x ** 2 }b"
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# Regular Expression Interpolation
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# TODO: improve heregex interpolation tests
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test "heregex interpolation", ->
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eq /\\#{}\\"/ + '', ///
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#{
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"#{ '\\' }" # normal comment
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}
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# regex comment
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\#{}
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\\ "
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/// + ''
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