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Size: 1.21 KB
Versions: 102
Compression:
Stored size: 1.21 KB
Contents
require "../exercise_generator"
require "../exercise_test_case"
class PascalsTriangleGenerator < ExerciseGenerator
def exercise_name
"pascals-triangle"
end
def test_cases
JSON.parse(data)["rows"]["cases"].map do |test_case|
PascalsTriangleTestCase.new(test_case) unless test_case["count"]?.nil?
end.compact
end
end
class PascalsTriangleTestCase < ExerciseTestCase
private getter description : JSON::Any
private getter count : JSON::Any
private getter expected : JSON::Any
def initialize(test_case)
@description = test_case["description"]
@count = test_case["count"]
@expected = fix_empty_array(test_case["expected"])
end
def workload
if !error?
"PascalsTriangle.rows(#{count}).should eq(#{expected})"
else
<<-WL
expect_raises do
PascalsTriangle.rows(#{count})
end
WL
end
end
def test_name
if !error?
"will return the first #{count} row(s)"
else
"will raise an Argument error for #{description}"
end
end
private def error?
expected == -1
end
private def fix_empty_array(json)
if json.to_s.match(/\[\]/)
JSON.parse("[] of Int32".to_json)
else
json
end
end
end
Version data entries
102 entries across 102 versions & 1 rubygems