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require "minitest/autorun"
# Largely borrowed from selecta
describe "score" do
def score(candidate, query)
# FIXME: should escape this properly
`./testscore '#{query}' '#{candidate}'`.to_f
end
it "scores 1 when the query is empty" do
assert_equal 1, score("a", "")
end
it "scores 0 when the choice is empty" do
assert_equal 0, score("", "a")
end
it "scores 1 when exact match" do
assert_equal 1, score("a", "a")
end
it "scores 0 when the query is longer than the choice" do
assert_equal 0, score("short", "longer")
end
it "scores 0 when the query doesn't match at all" do
assert_equal 0, score("a", "b")
end
it "scores 0 when only a prefix of the query matches" do
assert_equal 0, score("ab", "ac")
end
it "scores greater than 0 when it matches" do
assert_operator 0, :<, score("a", "a")
assert_operator 0, :<, score("ab", "a")
assert_operator 0, :<, score("ba", "a")
assert_operator 0, :<, score("bab", "a")
assert_operator 0, :<, score("babababab", "aaaa")
end
end
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