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import config
import test.framework
import core.result_generic as rg
import io.dir as iodir
import io.file as iofile
import sys.process as pr

proc main()
    let runner = new framework.TestRunner()

    let tmp: string = "/tmp/repoman-test-save"
    let _w: int = pr.process_wait(pr.process_spawn("rm", ["-rf", tmp]))
    let _c: bool = iodir.create_dir_all(tmp)
    let cfg_path: string = tmp + "/repoman.toml"

    let reg: config.Registry = config.default_registry("/home/u")
    let r1 = config.save(reg, cfg_path)
    runner.assert_eq_bool(rg.is_ok(r1), true, "save returns Ok")
    runner.assert_eq_bool(iofile.fileExists(cfg_path), true, "target file exists")
    runner.assert_eq_bool(iofile.fileExists(cfg_path + ".tmp"), false, "tmp removed after rename")

    // Round-trip: read what we wrote
    let contents: string = iofile.readFile(cfg_path)
    let r2 = config.parse_registry(contents)
    runner.assert_eq_bool(rg.is_ok(r2), true, "saved file parses")
    if rg.is_ok(r2)
        let reg2 = rg.unwrap_ok(r2)
        runner.assert_eq_int(reg2.schema, 1, "schema preserved on disk")
    end if

    let _w2: int = pr.process_wait(pr.process_spawn("rm", ["-rf", tmp]))
    runner.report()
end main