import "reflect-metadata"
import { DataSource } from "../../../src"
import {
    createTestingConnections,
    closeTestingConnections,
} from "../../utils/test-utils"
import { Post } from "./entity/Post"

describe("github issues > #7521 Only first \0 is removed in comments, only first \\ is escaped etc.", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                enabledDrivers: ["postgres", "cockroachdb", "mysql"],
                schemaCreate: false,
                dropSchema: true,
                entities: [Post],
            })),
    )
    after(() => closeTestingConnections(connections))

    it("should recognize model changes", () =>
        Promise.all(
            connections.map(async (connection) => {
                const sqlInMemory = await connection.driver
                    .createSchemaBuilder()
                    .log()
                sqlInMemory.upQueries.length.should.be.greaterThan(0)
                sqlInMemory.downQueries.length.should.be.greaterThan(0)
            }),
        ))

    it("should not generate queries when no model changes", () =>
        Promise.all(
            connections.map(async (connection) => {
                await connection.driver.createSchemaBuilder().build()
                const sqlInMemory = await connection.driver
                    .createSchemaBuilder()
                    .log()
                sqlInMemory.upQueries.length.should.be.equal(0)
                sqlInMemory.downQueries.length.should.be.equal(0)
            }),
        ))

    it("should properly escape quotes in comments", () =>
        Promise.all(
            connections.map(async (connection) => {
                const queryRunner = connection.createQueryRunner()

                let table = await queryRunner.getTable("post")
                const col1 = table!.findColumnByName("col1")!
                const col2 = table!.findColumnByName("col2")!
                const col3 = table!.findColumnByName("col3")!
                const col4 = table!.findColumnByName("col4")!
                const col5 = table!.findColumnByName("col5")!
                const col6 = table!.findColumnByName("col6")!
                const col7 = table!.findColumnByName("col7")!
                const col8 = table!.findColumnByName("col8")!
                const col9 = table!.findColumnByName("col9")!

                col1.comment!.should.be.equal(
                    `E.g. 'foo', 'bar', or 'baz' etc.`,
                )
                col2.comment!.should.be.equal(
                    `E.g. '''foo, 'bar''', or baz' etc.`,
                )
                col3.comment!.should.be.equal(
                    `E.g. "foo", "bar", or "baz" etc.`,
                )
                col4.comment!.should.be.equal("foo\\bar, bar\\baz, foo\\\\baz")
                col5.comment!.should.be.equal(`foo: , bar: `)
                col6.comment!.should.be.equal(`"foo", ""bar""`)
                col7.comment!.should.be.equal('"foo", ""bar""')
                col8.comment!.should.be.equal("foo \r \n \b \t Z % _ bar")
                col9.comment!.should.be.equal(
                    "foo \\r \\n \\b \\t \\Z \\% \\_ bar",
                )

                await queryRunner.release()
            }),
        ))
})