# Replace selected constructs and declarations; insertion collisions fail closed.
! exec semedit replace-construct --file api/messages_test.go --in-function TestMessages --kind else --discriminator 'len(original) == 0' --source 'if condition {}'
stderr 'replacement must be one complete Go else construct'
cmp api/messages_test.go want/api/messages_before.go
! exec semedit insert-decl --file api/settings.go --source 'var Revision = 2'
stderr 'Revision.*already exists'
cmp api/settings.go want/api/settings_before.go
! exec semedit insert-decl --file api/settings.go --overwrite --source 'var Revision = 2'
stderr 'unknown flag.*overwrite'
cmp api/settings.go want/api/settings_before.go
exec semedit replace-construct --file api/settings.go --kind var --symbol Revision --source 'var Revision = 2'
exec semedit replace-construct --file api/settings.go --kind const --symbol DefaultLimit --source 'const DefaultLimit = 10'
! exec semedit replace-construct --file api/messages_test.go --in-function TestMessages --kind loop --discriminator want --source 'for _, want := range []string{"alpha"}'
exec semedit replace-construct --file api/messages_test.go --in-function TestMessages --kind loop --discriminator want --source 'for _, want := range []string{"alpha", "beta"} { if want == "" { t.Fatal(want) } }'
cmp api/settings.go want/api/settings.go
! exec semedit replace-construct --file api/loops_test.go --in-function TestAmbiguousLoops --kind loop --discriminator item --source 'for _, item := range []string{"chosen"} { t.Log(item) }'
stderr 'ambiguous loop'
cmp api/loops_test.go want/api/loops_before.go
exec semedit replace-construct --file api/loops_test.go --in-function TestAmbiguousLoops --kind loop --discriminator item --construct-path 0 --source 'for _, item := range []string{"chosen"} { t.Log(item) }'
exec semedit replace-construct --file api/messages_test.go --in-function TestMessages --kind if --discriminator 'len(original) == 0' --source 'if len(original) > 0 { t.Log("present") } else { t.Log("fallback") }'
exec semedit replace-construct --file api/messages_test.go --in-function TestMessages --kind else --discriminator 'len(original) > 0' --source '{ t.Fatal("fallback") }'
cmp api/loops_test.go want/api/loops_test.go
cmp api/messages_test.go want/api/messages_test.go
exec go test ./api

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

go 1.23

-- api/settings.go --
package api

const DefaultLimit = 5

var Revision = 1
-- want/api/settings_before.go --
package api

const DefaultLimit = 5

var Revision = 1
-- want/api/settings.go --
package api

const DefaultLimit = 10

var Revision = 2
-- api/messages_test.go --
package api

import "testing"

func TestMessages(t *testing.T) {
	original := []string{"old"}
	if len(original) == 0 {
		t.Fatal("missing originals")
	} else {
		t.Log("fallback")
	}
	for _, want := range original {
		if want == "" {
			t.Fatal(want)
		}
	}
}

-- api/loops_test.go --
package api

import "testing"

func TestAmbiguousLoops(t *testing.T) {
	for _, item := range []string{"first"} {
		t.Log(item)
	}
	for _, item := range []string{"second"} {
		t.Log(item)
	}
}
-- want/api/messages_before.go --
package api

import "testing"

func TestMessages(t *testing.T) {
	original := []string{"old"}
	if len(original) == 0 {
		t.Fatal("missing originals")
	} else {
		t.Log("fallback")
	}
	for _, want := range original {
		if want == "" {
			t.Fatal(want)
		}
	}
}

-- want/api/loops_before.go --
package api

import "testing"

func TestAmbiguousLoops(t *testing.T) {
	for _, item := range []string{"first"} {
		t.Log(item)
	}
	for _, item := range []string{"second"} {
		t.Log(item)
	}
}
-- want/api/loops_test.go --
package api

import "testing"

func TestAmbiguousLoops(t *testing.T) {
	for _, item := range []string{"chosen"} {
		t.Log(item)
	}
	for _, item := range []string{"second"} {
		t.Log(item)
	}
}
-- want/api/messages_test.go --
package api

import "testing"

func TestMessages(t *testing.T) {
	original := []string{"old"}
	if len(original) > 0 {
		t.Log("present")
	} else {
		t.Fatal("fallback")
	}
	for _, want := range []string{"alpha", "beta"} {
		if want == "" {
			t.Fatal(want)
		}
	}
}