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local picker = require "telescope.pickers"
local eq = assert.are.same
describe("telescope", function()
describe("Picker", function()
describe("window_dimensions", function()
it("", function()
assert(true)
end)
end)
describe("attach_mappings", function()
local new_picker = function(a, b)
a.finder = true
return picker.new(a, b)
end
it("should allow for passing in a function", function()
local p = new_picker({}, {
attach_mappings = function()
return 1
end,
})
eq(1, p.attach_mappings())
end)
it("should override an attach mappings passed in by opts", function()
local called_order = {}
local p = new_picker({
attach_mappings = function()
table.insert(called_order, "opts")
end,
}, {
attach_mappings = function()
table.insert(called_order, "default")
end,
})
p.attach_mappings()
eq({ "default", "opts" }, called_order)
end)
end)
end)
describe("Sorters", function()
describe("generic_fuzzy_sorter", function()
it("sort matches well", function()
local sorter = require("telescope.sorters").get_generic_fuzzy_sorter()
local exact_match = sorter:score("hello", { ordinal = "hello" })
local no_match = sorter:score("abcdef", { ordinal = "ghijkl" })
local ok_match = sorter:score("abcdef", { ordinal = "ab" })
assert(exact_match < no_match, "exact match better than no match")
assert(exact_match < ok_match, "exact match better than ok match")
assert(ok_match < no_match, "ok match better than no match")
end)
it("sorts multiple finds better", function()
local sorter = require("telescope.sorters").get_generic_fuzzy_sorter()
local multi_match = sorter:score("generics", "exercises/generics/generics2.rs")
local one_match = sorter:score("abcdef", "exercises/generics/README.md")
-- assert(multi_match < one_match)
end)
end)
describe("fuzzy_file", function()
it("sort matches well", function()
local sorter = require("telescope.sorters").get_fuzzy_file()
local exact_match = sorter:score("abcdef", { ordinal = "abcdef" })
local no_match = sorter:score("abcdef", { ordinal = "ghijkl" })
local ok_match = sorter:score("abcdef", { ordinal = "ab" })
assert(exact_match < no_match, string.format("Exact match better than no match: %s %s", exact_match, no_match))
assert(exact_match < ok_match, string.format("Exact match better than OK match: %s %s", exact_match, ok_match))
assert(ok_match < no_match, "OK match better than no match")
end)
it("sorts matches after last os sep better", function()
local sorter = require("telescope.sorters").get_fuzzy_file()
local better_match = sorter:score("aaa", { ordinal = "bbb/aaa" })
local worse_match = sorter:score("aaa", { ordinal = "aaa/bbb" })
assert(better_match < worse_match, "Final match should be stronger")
end)
pending("sorts multiple finds better", function()
local sorter = require("telescope.sorters").get_fuzzy_file()
local multi_match = sorter:score("generics", { ordinal = "exercises/generics/generics2.rs" })
local one_match = sorter:score("abcdef", { ordinal = "exercises/generics/README.md" })
assert(multi_match < one_match)
end)
end)
describe("fzy", function()
local sorter = require("telescope.sorters").get_fzy_sorter()
local function score(prompt, line)
return sorter:score(prompt, { ordinal = line }, function(val)
return val
end, function()
return -1
end)
end
describe("matches", function()
it("exact matches", function()
assert.True(score("a", "a") >= 0)
assert.True(score("a.bb", "a.bb") >= 0)
end)
it("ignore case", function()
assert.True(score("AbB", "abb") >= 0)
assert.True(score("abb", "ABB") >= 0)
end)
it("partial matches", function()
assert.True(score("a", "ab") >= 0)
assert.True(score("a", "ba") >= 0)
assert.True(score("aba", "baabbaab") >= 0)
end)
it("with delimiters between", function()
assert.True(score("abc", "a|b|c") >= 0)
end)
it("with empty query", function()
assert.True(score("", "") >= 0)
assert.True(score("", "a") >= 0)
end)
it("rejects non-matches", function()
assert.True(score("a", "") < 0)
assert.True(score("a", "b") < 0)
assert.True(score("aa", "a") < 0)
assert.True(score("ba", "a") < 0)
assert.True(score("ab", "a") < 0)
end)
end)
describe("scoring", function()
it("prefers beginnings of words", function()
assert.True(score("amor", "app/models/order") < score("amor", "app/models/zrder"))
end)
it("prefers consecutive letters", function()
assert.True(score("amo", "app/models/foo") < score("amo", "app/m/foo"))
assert.True(score("erf", "perfect") < score("erf", "terrific"))
end)
it("prefers contiguous over letter following period", function()
assert.True(score("gemfil", "Gemfile") < score("gemfil", "Gemfile.lock"))
end)
it("prefers shorter matches", function()
assert.True(score("abce", "abcdef") < score("abce", "abc de"))
assert.True(score("abc", " a b c ") < score("abc", " a b c "))
assert.True(score("abc", " a b c ") < score("abc", " a b c "))
end)
it("prefers shorter candidates", function()
assert.True(score("test", "tests") < score("test", "testing"))
end)
it("prefers matches at the beginning", function()
assert.True(score("ab", "abbb") < score("ab", "babb"))
assert.True(score("test", "testing") < score("test", "/testing"))
end)
it("prefers matches at some locations", function()
assert.True(score("a", "/a") < score("a", "ba"))
assert.True(score("a", "bA") < score("a", "ba"))
assert.True(score("a", ".a") < score("a", "ba"))
end)
end)
local function positions(prompt, line)
return sorter:highlighter(prompt, line)
end
describe("positioning", function()
it("favors consecutive positions", function()
assert.same({ 1, 5, 6 }, positions("amo", "app/models/foo"))
end)
it("favors word beginnings", function()
assert.same({ 1, 5, 12, 13 }, positions("amor", "app/models/order"))
end)
it("works when there are no bonuses", function()
assert.same({ 2, 4 }, positions("as", "tags"))
assert.same({ 3, 8 }, positions("as", "examples.txt"))
end)
it("favors smaller groupings of positions", function()
assert.same({ 3, 5, 7 }, positions("abc", "a/a/b/c/c"))
assert.same({ 3, 5 }, positions("ab", "caacbbc"))
end)
it("handles exact matches", function()
assert.same({ 1, 2, 3 }, positions("foo", "foo"))
end)
it("ignores empty requests", function()
assert.same({}, positions("", ""))
assert.same({}, positions("", "foo"))
assert.same({}, positions("foo", ""))
end)
end)
end)
describe("layout_strategies", function()
describe("center", function()
it("should handle large terminals", function()
-- TODO: This could call layout_strategies.center w/ some weird edge case.
-- and then assert stuff about the dimensions.
end)
end)
end)
end)
end)
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