# Test go mod download, why, and graph work in workspace mode.
# TODO(bcmills): clarify the interaction with #44435

go mod download rsc.io/quote
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.info
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.zip
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.0.info
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.0.mod
grep '^rsc\.io/quote v1\.5\.2/go\.mod h1:' go.work.sum
grep '^rsc\.io/quote v1\.5\.2 h1:' go.work.sum

go clean -modcache
rm go.work.sum
go mod download
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.info
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.zip
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.0.info
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.0.mod
grep '^rsc\.io/quote v1\.5\.2/go\.mod h1:' go.work.sum
grep '^rsc\.io/quote v1\.5\.2 h1:' go.work.sum

go mod why rsc.io/quote
stdout '# rsc.io/quote\nexample.com/a\nrsc.io/quote'

go mod graph
stdout 'example.com/a rsc.io/quote@v1.5.2\nexample.com/b example.com/c@v1.0.0\nrsc.io/quote@v1.5.2 rsc.io/sampler@v1.3.0\nrsc.io/sampler@v1.3.0 golang.org/x/text@v0.0.0-20170915032832-14c0d48ead0c'

-- go.work --
go 1.18

use (
	./a
	./b
)
-- a/go.mod --
go 1.18

module example.com/a

require "rsc.io/quote" v1.5.2
-- a/main.go --
package main

import (
	"fmt"
	"rsc.io/quote"
)

func main() {
	fmt.Println(quote.Hello())
}
-- b/go.mod --
go 1.18

module example.com/b

require example.com/c v1.0.0
replace example.com/c => ../c
-- c/go.mod --
go 1.18

module example.com/c