1 line
3.9 KiB
JSON
1 line
3.9 KiB
JSON
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{"__ATTN__":"Do not edit this file; changes belong in the appropriate YAML file.","overview":"Lambdas are a special-cased data type for use in interpolations and\nsections.\n\nWhen used as the data value for an Interpolation tag, the lambda MUST be\ntreatable as an arity 0 function, and invoked as such. The returned value\nMUST be rendered, then interpolated in place of the lambda.\n\nWhen used as the data value for a Section tag, the lambda MUST be treatable\nas an arity 1 function, and invoked as such (passing a String containing the\nunprocessed section contents). The returned value MUST be rendered, then\ninterpolated in place of the section.\n","tests":[{"name":"Interpolation","data":{"lambda":{"php":"return \"world\";","__tag__":"code","perl":"sub { \"world\" }","python":"lambda: \"world\"","ruby":"proc { \"world\" }","js":"function() { return \"world\" }"}},"expected":"Hello, world!","template":"Hello, {{lambda}}!","desc":"A lambda's return value should be interpolated."},{"name":"Interpolation - Expansion","data":{"planet":"world","lambda":{"php":"return \"{{planet}}\";","__tag__":"code","perl":"sub { \"{{planet}}\" }","python":"lambda: \"{{planet}}\"","ruby":"proc { \"{{planet}}\" }","js":"function() { return \"{{planet}}\" }"}},"expected":"Hello, world!","template":"Hello, {{lambda}}!","desc":"A lambda's return value should be parsed."},{"name":"Interpolation - Multiple Calls","data":{"lambda":{"php":"global $calls; return ++$calls;","__tag__":"code","perl":"sub { no strict; $calls += 1 }","python":"lambda: globals().update(calls=globals().get(\"calls\",0)+1) or calls","ruby":"proc { $calls ||= 0; $calls += 1 }","js":"function() { return (g=(function(){return this})()).calls=(g.calls||0)+1 }"}},"expected":"1 == 2 == 3","template":"{{lambda}} == {{{lambda}}} == {{lambda}}","desc":"Interpolated lambdas should not be cached."},{"name":"Escaping","data":{"lambda":{"php":"return \">\";","__tag__":"code","perl":"sub { \">\" }","python":"lambda: \">\"","ruby":"proc { \">\" }","js":"function() { return \">\" }"}},"expected":"<>>","template":"<{{lambda}}{{{lambda}}}","desc":"Lambda results should be appropriately escaped."},{"name":"Section","data":{"x":"Error!","lambda":{"php":"return ($text == \"{{x}}\") ? \"yes\" : \"no\";","__tag__":"code","perl":"sub { $_[0] eq \"{{x}}\" ? \"yes\" : \"no\" }","python":"lambda text: text == \"{{x}}\" and \"yes\" or \"no\"","ruby":"proc { |text| text == \"{{x}}\" ? \"yes\" : \"no\" }","js":"function(txt) { return (txt == \"{{x}}\" ? \"yes\" : \"no\") }"}},"expected":"<yes>","template":"<{{#lambda}}{{x}}{{/lambda}}>","desc":"Lambdas used for sections should receive the raw section string."},{"name":"Section - Expansion","data":{"planet":"Earth","lambda":{"php":"return $text . \"{{planet}}\" . $text;","__tag__":"code","perl":"sub { $_[0] . \"{{planet}}\" . $_[0] }","python":"lambda text: \"%s{{planet}}%s\" % (text, text)","ruby":"proc { |text| \"#{text}{{planet}}#{text}\" }","js":"function(txt) { return txt + \"{{planet}}\" + txt }"}},"expected":"<-Earth->","template":"<{{#lambda}}-{{/lambda}}>","desc":"Lambdas used for sections should have their results parsed."},{"name":"Section - Multiple Calls","data":{"lambda":{"php":"return \"__\" . $text . \"__\";","__tag__":"code","perl":"sub { \"__\" . $_[0] . \"__\" }","python":"lambda text: \"__%s__\" % (text)","ruby":"proc { |text| \"__#{text}__\" }","js":"function(txt) { return \"__\" + txt + \"__\" }"}},"expected":"__FILE__ != __LINE__","template":"{{#lambda}}FILE{{/lambda}} != {{#lambda}}LINE{{/lambda}}","desc":"Lambdas used for sections should not be cached."},{"name":"Inverted Section","data":{"static":"static","lambda":{"php":"return false;","__tag__":"code","perl":"sub { 0 }","python":"lambda text: 0","ruby":"proc { |text| false }","js":"function(txt) { return false }"}},"expected":"<>","template":"<{{^lambda}}{{static}}{{/lambda}}>","desc":"Lambdas used for inverted sections should be considered truthy."}]}
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