setup(function()
    _G.LOR_FRAMEWORK_DEBUG = false
end)

teardown(function()
end)

before_each(function()
    Trie = _G.Trie
    t = Trie:new()
    t1 = Trie:new()
    t2 = Trie:new()
end)

after_each(function()
    Trie = nil
    t = nil
    t1 = nil
    t2 = nil
    _debug = nil
end)

describe("`handler` test cases: ", function()
    it("should succeed to define handlers.", function()
        local n1 = t:add_node("/a")
        local m1 = t:add_node("/a/b")
        local m2 = t:add_node("/a/c")
        local m3 = t:add_node("/a/:name")

        n1:handle("get", function(req, res, next) end)
        assert.is.equals(1, #n1.handlers["get"])

        n1:handle("post", function(req, res, next) end)
        assert.is.equals(1, #n1.handlers["post"])

        n1:handle("put", function(req, res, next) end, function(req, res, next) end, function(req, res, next) end)
        assert.is.equals(3, #n1.handlers["put"])

        n1:handle("DELETE", {function(req, res, next) end, function(req, res, next) end})
        assert.is.equals(2, #n1.handlers["delete"])

        m2:handle("get", function(req, res, next) end)
        assert.is.equals(1, #m2.handlers["get"])
    end)

    it("should failed to define handlers.", function()
        local n1 = t:add_node("/a")

        assert.has_error(function()
            n1:handle("getabc", function(req, res, next) end) -- wrong `method` name
        end)

        assert.has_error(function()
            n1:handle("get", {})
        end)

        assert.has_error(function()
            n1:handle("get", function(req, res, next) end)
            n1:handle("get", function(req, res, next) end) -- define handler repeatly
        end)

        -- _G.LOR_FRAMEWORK_DEBUG = true
        --_debug(n1)
        --json_view(t)
        --print(t:gen_graph())
    end)
end)