blob: 414fc0b8d766c06b3620ebf0fa73fc955e94cd4a [file] [log] [blame]
package terraform
import (
"strings"
"testing"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/dag"
)
func TestBasicGraphBuilder_impl(t *testing.T) {
var _ GraphBuilder = new(BasicGraphBuilder)
}
func TestBasicGraphBuilder(t *testing.T) {
b := &BasicGraphBuilder{
Steps: []GraphTransformer{
&testBasicGraphBuilderTransform{1},
},
}
g, err := b.Build(addrs.RootModuleInstance)
if err != nil {
t.Fatalf("err: %s", err)
}
if g.Path.String() != addrs.RootModuleInstance.String() {
t.Fatalf("wrong module path %q", g.Path)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testBasicGraphBuilderStr)
if actual != expected {
t.Fatalf("bad: %s", actual)
}
}
func TestBasicGraphBuilder_validate(t *testing.T) {
b := &BasicGraphBuilder{
Steps: []GraphTransformer{
&testBasicGraphBuilderTransform{1},
&testBasicGraphBuilderTransform{2},
},
}
_, err := b.Build(addrs.RootModuleInstance)
if err == nil {
t.Fatal("should error")
}
}
type testBasicGraphBuilderTransform struct {
V dag.Vertex
}
func (t *testBasicGraphBuilderTransform) Transform(g *Graph) error {
g.Add(t.V)
return nil
}
const testBasicGraphBuilderStr = `
1
`