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Diffstat (limited to 'tests/test-template2.lua')
| -rw-r--r-- | tests/test-template2.lua | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/test-template2.lua b/tests/test-template2.lua new file mode 100644 index 0000000..14e55a6 --- /dev/null +++ b/tests/test-template2.lua @@ -0,0 +1,76 @@ +local T = require 'pl.text' +local utils = require 'pl.utils' +local Template = T.Template +local asserteq = require 'pl.test'.asserteq +local OrderedMap = require 'pl.OrderedMap' +local template = require 'pl.template' + +local t = [[ +# for i = 1,3 do + print($(i+1)) +# end +]] + +asserteq(template.substitute(t),[[ + print(2) + print(3) + print(4) +]]) + +t = [[ +> for i = 1,3 do + print(${i+1}) +> end +]] + +asserteq(template.substitute(t,{_brackets='{}',_escape='>'}),[[ + print(2) + print(3) + print(4) +]]) + +t = [[ +#@ for i = 1,3 do + print(@{i+1}) +#@ end +]] + +asserteq(template.substitute(t,{_brackets='{}',_escape='#@',_inline_escape='@'}),[[ + print(2) + print(3) + print(4) +]]) + +--- iteration using pairs is usually unordered. But using OrderedMap +--- we can get the exact original ordering. + +t = [[ +# for k,v in pairs(T) do + "$(k)", -- $(v) +# end +]] + +if utils.lua51 then + -- easy enough to define a general pairs in Lua 5.1 + local rawpairs = pairs + function pairs(t) + local mt = getmetatable(t) + local f = mt and mt.__pairs + if f then + return f(t) + else + return rawpairs(t) + end + end +end + + +local Tee = OrderedMap{{Dog = 'Bonzo'}, {Cat = 'Felix'}, {Lion = 'Leo'}} + +-- note that the template will also look up global functions using _parent +asserteq(template.substitute(t,{T=Tee,_parent=_G}),[[ + "Dog", -- Bonzo + "Cat", -- Felix + "Lion", -- Leo +]]) + |