มอดูล:UnitTests/documentation
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This module facilitates creating unit tests for Lua modules.
Put the following at Module:name/testcases
:
local tests = require('Module:UnitTests')
function tests:test_example()
--[[ here be the tests ]]
end
return tests
Then put the following on Module:name/testcases/documentation
:
{{#invoke:name/testcases|run_tests}}
Tests should be written as Lua methods whose names start with test
. The self
object contains the following methods, which may be called from the method:
preprocess_equals(text, expected, options)
- Will check whether expanding templates in
text
results inexpected
. preprocess_equals_many(prefix, suffix, cases, options)
preprocess_equals_preprocess(text1, text2, options)
- Will check whether expanding templates in
text1
andtext2
results in the same string. preprocess_equals_preprocess_many(prefix1, suffix1, prefix2, suffix2, cases, options)
equals(name, actual, expected, options)
- Will check whether two primitive values are equal.
name
will be used as the row header. When the value is a table,equals_deep
should be used. equals_deep(name, actual, expected, options)
- Will check whether two values, which may be tables, are equal.
name
will be used as the row header. heading(string)
- Create a heading in the table, which appears after the last-called checking function.
iterate
- Requires an array as its first argument. Iterates over the items in the array. If the item in the array is an array, a function will be called on the contents of the array. If the item is a string, a heading is created using
self:heading()
. - Two variations:
iterate(array, function_name)
- Here,
function_name
is a string, the name of a method in theself
object. For instance,self:iterate({ { "a", "b" }, { "c", "d" } }, "check")
callsself:check("a", "b")
andself:check("c", "d")
. Thisself:check()
method must be defined separately.
iterate(array, func)
- Same as above, except the second argument is a function. For instance,
self:iterate( { { "a", "b" }, { "c", "d" } }, check)
will callcheck(self, "a", "b")
andcheck(self, "c", "d")
.
options
should be given in a table or omitted. Currently, these are the options supported:
nowiki
: Causes both the expected and the actual values to be wrapped in <nowiki> tags when rendering the results table.comment
: A comment to be added to the rightmost column of table.display
: A function to yield the form actually displayed in the table. This is used in testcases for pronunciation modules to make the IPA transcriptions display with the correct fonts.show_difference
: If this is set totrue
(or any truthy value besides a function), failing tests will have the first offending character highlighted in red (that is, the first character in the "actual" string that is different from the corresponding character in the "expected" string). If this is a function, the character will be highlighted using the function. (Currently only available in theequals
checking function. The highlighter will highlight combining characters together with the characters they are placed on.)
See also
แก้ไขUse Module:transliteration module testcases to quickly create testcases for a transliteration module. It uses this module. At the moment, it only supports romanization and a single set of examples.