ZK = require 'zettelkasten.link'
Test_date = {year = 2019, month = 10, day = 29, hour = 16, min = 45}

before_each(function() _G.vim = {g = {}, b = {}} end)
after_each(function() _G.vim = nil end)

describe("link creation", function()
    it(
        "should return a markdown link with only zettel anchor on no text passed in",
        function()
            assert.same("1910291645.md", ZK.create_link_text(nil, Test_date))
        end)

    it("should text to link", function()
        assert.same("1910291645_isappended.md",
                    ZK.create_link_text("isappended", Test_date))
    end)

    it("should return lowercased link text", function()
        assert.same("1910291645_yesiamshouting.md",
                    ZK.create_link_text("YESIAMSHOUTING", Test_date))
    end)

    it("should return spaces in text replaced with dashes", function()
        assert.same("1910291645_yes-indeed-a-space.md",
                    ZK.create_link_text("yes indeed a space", Test_date))
    end)

    it("should add contents of g:zettel_anchor_separator variable to link",
       function()
        vim.g.zettel_anchor_separator = "SEP"
        assert.same("1910291645SEParated.md",
                    ZK.create_link_text("arated", Test_date))
    end)
    it("should add contents of b:zettel_anchor_separator variable to link",
       function()
        vim.b.zettel_anchor_separator = "---"
        assert.same("1910291645---arated.md",
                    ZK.create_link_text("arated", Test_date))
    end)

    it("should append the filetype set in g:zettel_extension", function()
        vim.g.zettel_extension = ".something"
        assert.same("1910291645_theworld.something",
                    ZK.create_link_text("theworld", Test_date))
    end)
    it("should append the filetype set in b:zettel_extension", function()
        vim.b.zettel_extension = ".somethingelse"
        assert.same("1910291645_theworld.somethingelse",
                    ZK.create_link_text("theworld", Test_date))
    end)
end)