replace db mechanism

tests/sphinx.api.test.js

@@ -0,0 +1,31 @@
+import { assert } from "chai";
+const {pool} = require('../src/background/mysql')
+
+describe("big table for check", () => {
+	let sphinx;
+
+	it("init", async function() {
+		sphinx = await pool()
+		assert(sphinx)
+		await sphinx.query(`delete from feed where id >= 1`)
+	})
+
+	it("replace with add", async function() {
+		await sphinx.query(`insert into feed(id, data) values(1, '{a: 1}')`)
+		assert.equal((await sphinx.query(`select data from feed where id = 1`))[0].data, '{"a":1}')
+		await sphinx.replaceValues('feed', {id: 1, data: {a: 1, b: 2}}, true)
+		assert.equal((await sphinx.query(`select data from feed`))[0].data, '{"a":1,"b":2}')
+	})
+
+	it("replace without add", async function() {
+		await sphinx.query(`insert into feed(id, data) values(2, '{a: 1}')`)
+
+		await sphinx.replaceValues('feed', {id: 1, data: {a: 1, b: 2, c: 3}}, false)
+		assert.equal((await sphinx.query(`select data from feed where id = 1`))[0].data, '{"a":1,"b":2,"c":3}')
+		assert.equal((await sphinx.query(`select count(*) as c from feed`))[0].c, 2)
+	})
+
+	it("close", async function() {
+		await sphinx.end()
+	})
+});