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test for ewma:after_balance function

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This commit is contained in:
Elvin Efendi 2018-11-26 17:15:17 +04:00
parent f81f06151d
commit c03ac375ef
1 changed files with 18 additions and 0 deletions
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18
rootfs/etc/nginx/lua/test/balancer/ewma_test.lua
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@ -3,6 +3,24 @@ local util = require("util")
describe("Balancer ewma", function()
local balancer_ewma = require("balancer.ewma")
describe("after_balance()", function()
local ngx_now = 1543238266
_G.ngx.now = function() return ngx_now end
_G.ngx.var = { upstream_response_time = "0.25", upstream_connect_time = "0.02", upstream_addr = "10.184.7.40:8080" }
it("updates EWMA stats", function()
local backend = {
name = "my-dummy-backend", ["load-balance"] = "ewma",
endpoints = { { address = "10.184.7.40", port = "8080", maxFails = 0, failTimeout = 0 } }
}
local instance = balancer_ewma:new(backend)
instance:after_balance()
assert.equal(0.27, instance.ewma[ngx.var.upstream_addr])
assert.equal(ngx_now, instance.ewma_last_touched_at[ngx.var.upstream_addr])
end)
end)
describe("balance()", function()
it("returns single endpoint when the given backend has only one endpoint", function()
local backend = {