formattest

type Backend struct {
	Name string
	Open func(t *testing.T) store.Store
}

type File struct {
	// Path is repository-relative.
	Path string
	Body []byte
}

type Format struct {
	// Type is the package type of the repositories the suite creates.
	Type repo.PackageType
	// Layout, when set, is the repositories' repoLayoutRef.
	Layout string
	// Handler is the format; nil means the one formats.For picks for Type.
	Handler format.Handler
	// Version returns version v of package p as deployed for the nth time.
	// The suite names packages "alpha" and "beta" and versions "1.0" and
	// "2.0"; the fixture maps them to its ecosystem's names. Every n gives
	// the same paths, and n > 0 changes the content of at least one file,
	// so a redeploy overwrites.
	Version func(p, v string, n int) Version
	// Properties are the property sets the suite applies in turn to a
	// version's files: a format whose index follows properties names the
	// ones it reads. Nil means a set the format does not read.
	Properties []types.Properties
	// Work lists the kinds of work the format queues on a deploy. Each
	// committed deploy leaves exactly one item of each per package; a kind
	// not listed must never be queued.
	Work []string
	// NoRemoteCache marks a format that does not index a remote
	// repository's cache yet, as decision 0018 has the npm, Go and Maven
	// formats do. Docker sets it until its remote repositories come in P9.
	NoRemoteCache bool
}

type Version struct {
	// Package and Version are what the index calls it; both are empty for
	// a format that keeps no index.
	Package, Version string
	// Files are deployed in order.
	Files []File
	// Linked are the paths of the files the index links to the version;
	// nil means every file.
	Linked []string
}