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authoripknHama <ipknhama@gmail.com>2014-08-07 01:18:33 +0900
committeripknHama <ipknhama@gmail.com>2014-08-07 01:18:33 +0900
commit031615ac866cc3c8f1900dd4b4aae2106ad31230 (patch)
treeb8b7206ffbd2043368580ec269c97436929fe452 /template_test/~lambdas.yml
parenta0c93f5b84cc11b30bc6320ac26127832ef8bf7a (diff)
downloadcrow-031615ac866cc3c8f1900dd4b4aae2106ad31230.tar.gz
crow-031615ac866cc3c8f1900dd4b4aae2106ad31230.zip
source resturcturing + CMake
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-overview: |
- Lambdas are a special-cased data type for use in interpolations and
- sections.
-
- When used as the data value for an Interpolation tag, the lambda MUST be
- treatable as an arity 0 function, and invoked as such. The returned value
- MUST be rendered against the default delimiters, then interpolated in place
- of the lambda.
-
- When used as the data value for a Section tag, the lambda MUST be treatable
- as an arity 1 function, and invoked as such (passing a String containing the
- unprocessed section contents). The returned value MUST be rendered against
- the current delimiters, then interpolated in place of the section.
-tests:
- - name: Interpolation
- desc: A lambda's return value should be interpolated.
- data:
- lambda: !code
- ruby: 'proc { "world" }'
- perl: 'sub { "world" }'
- js: 'function() { return "world" }'
- php: 'return "world";'
- python: 'lambda: "world"'
- clojure: '(fn [] "world")'
- template: "Hello, {{lambda}}!"
- expected: "Hello, world!"
-
- - name: Interpolation - Expansion
- desc: A lambda's return value should be parsed.
- data:
- planet: "world"
- lambda: !code
- ruby: 'proc { "{{planet}}" }'
- perl: 'sub { "{{planet}}" }'
- js: 'function() { return "{{planet}}" }'
- php: 'return "{{planet}}";'
- python: 'lambda: "{{planet}}"'
- clojure: '(fn [] "{{planet}}")'
- template: "Hello, {{lambda}}!"
- expected: "Hello, world!"
-
- - name: Interpolation - Alternate Delimiters
- desc: A lambda's return value should parse with the default delimiters.
- data:
- planet: "world"
- lambda: !code
- ruby: 'proc { "|planet| => {{planet}}" }'
- perl: 'sub { "|planet| => {{planet}}" }'
- js: 'function() { return "|planet| => {{planet}}" }'
- php: 'return "|planet| => {{planet}}";'
- python: 'lambda: "|planet| => {{planet}}"'
- clojure: '(fn [] "|planet| => {{planet}}")'
- template: "{{= | | =}}\nHello, (|&lambda|)!"
- expected: "Hello, (|planet| => world)!"
-
- - name: Interpolation - Multiple Calls
- desc: Interpolated lambdas should not be cached.
- data:
- lambda: !code
- ruby: 'proc { $calls ||= 0; $calls += 1 }'
- perl: 'sub { no strict; $calls += 1 }'
- js: 'function() { return (g=(function(){return this})()).calls=(g.calls||0)+1 }'
- php: 'global $calls; return ++$calls;'
- python: 'lambda: globals().update(calls=globals().get("calls",0)+1) or calls'
- clojure: '(def g (atom 0)) (fn [] (swap! g inc))'
- template: '{{lambda}} == {{{lambda}}} == {{lambda}}'
- expected: '1 == 2 == 3'
-
- - name: Escaping
- desc: Lambda results should be appropriately escaped.
- data:
- lambda: !code
- ruby: 'proc { ">" }'
- perl: 'sub { ">" }'
- js: 'function() { return ">" }'
- php: 'return ">";'
- python: 'lambda: ">"'
- clojure: '(fn [] ">")'
- template: "<{{lambda}}{{{lambda}}}"
- expected: "<&gt;>"
-
- - name: Section
- desc: Lambdas used for sections should receive the raw section string.
- data:
- x: 'Error!'
- lambda: !code
- ruby: 'proc { |text| text == "{{x}}" ? "yes" : "no" }'
- perl: 'sub { $_[0] eq "{{x}}" ? "yes" : "no" }'
- js: 'function(txt) { return (txt == "{{x}}" ? "yes" : "no") }'
- php: 'return ($text == "{{x}}") ? "yes" : "no";'
- python: 'lambda text: text == "{{x}}" and "yes" or "no"'
- clojure: '(fn [text] (if (= text "{{x}}") "yes" "no"))'
- template: "<{{#lambda}}{{x}}{{/lambda}}>"
- expected: "<yes>"
-
- - name: Section - Expansion
- desc: Lambdas used for sections should have their results parsed.
- data:
- planet: "Earth"
- lambda: !code
- ruby: 'proc { |text| "#{text}{{planet}}#{text}" }'
- perl: 'sub { $_[0] . "{{planet}}" . $_[0] }'
- js: 'function(txt) { return txt + "{{planet}}" + txt }'
- php: 'return $text . "{{planet}}" . $text;'
- python: 'lambda text: "%s{{planet}}%s" % (text, text)'
- clojure: '(fn [text] (str text "{{planet}}" text))'
- template: "<{{#lambda}}-{{/lambda}}>"
- expected: "<-Earth->"
-
- - name: Section - Alternate Delimiters
- desc: Lambdas used for sections should parse with the current delimiters.
- data:
- planet: "Earth"
- lambda: !code
- ruby: 'proc { |text| "#{text}{{planet}} => |planet|#{text}" }'
- perl: 'sub { $_[0] . "{{planet}} => |planet|" . $_[0] }'
- js: 'function(txt) { return txt + "{{planet}} => |planet|" + txt }'
- php: 'return $text . "{{planet}} => |planet|" . $text;'
- python: 'lambda text: "%s{{planet}} => |planet|%s" % (text, text)'
- clojure: '(fn [text] (str text "{{planet}} => |planet|" text))'
- template: "{{= | | =}}<|#lambda|-|/lambda|>"
- expected: "<-{{planet}} => Earth->"
-
- - name: Section - Multiple Calls
- desc: Lambdas used for sections should not be cached.
- data:
- lambda: !code
- ruby: 'proc { |text| "__#{text}__" }'
- perl: 'sub { "__" . $_[0] . "__" }'
- js: 'function(txt) { return "__" + txt + "__" }'
- php: 'return "__" . $text . "__";'
- python: 'lambda text: "__%s__" % (text)'
- clojure: '(fn [text] (str "__" text "__"))'
- template: '{{#lambda}}FILE{{/lambda}} != {{#lambda}}LINE{{/lambda}}'
- expected: '__FILE__ != __LINE__'
-
- - name: Inverted Section
- desc: Lambdas used for inverted sections should be considered truthy.
- data:
- static: 'static'
- lambda: !code
- ruby: 'proc { |text| false }'
- perl: 'sub { 0 }'
- js: 'function(txt) { return false }'
- php: 'return false;'
- python: 'lambda text: 0'
- clojure: '(fn [text] false)'
- template: "<{{^lambda}}{{static}}{{/lambda}}>"
- expected: "<>"