# Extract one exact typed argument expression and refuse ambiguous selection without writes.
exec semedit refactor-extract-value --file api/render.go --symbol total --in-function Render --discriminator 'count + 1'
stdout 'symbol: total'
stdout 'in_function: Render'
stdout 'discriminator: count \+ 1\.'
cmp api/render.go want/api/render.go
! exec semedit refactor-extract-value --file api/ambiguous.go --symbol value --in-function RenderAmbiguous --discriminator 'count'
stderr 'expression selection is ambiguous'
cmp api/ambiguous.go original/api/ambiguous.go
exec go test ./api

-- go.mod --
module example.com/extractvariable

go 1.23

-- api/render.go --
package api

func Print(int) {}

func Render(count int) {
	Print(count + 1)
}

-- want/api/render.go --
package api

func Print(int) {}

func Render(count int) {
	total := count + 1
	Print(total)
}
-- api/ambiguous.go --
package api

func PrintAmbiguous(int) {}

func RenderAmbiguous(count int) {
	PrintAmbiguous(count)
	PrintAmbiguous(count)
}
-- original/api/ambiguous.go --
package api

func PrintAmbiguous(int) {}

func RenderAmbiguous(count int) {
	PrintAmbiguous(count)
	PrintAmbiguous(count)
}