blob: 1339d071fec23c94023db239e0d86ba3874786d6 [file] [log] [blame]
package terraform
import (
"strings"
"testing"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/configs/configschema"
"github.com/zclconf/go-cty/cty"
)
func TestTransitiveReductionTransformer(t *testing.T) {
mod := testModule(t, "transform-trans-reduce-basic")
g := Graph{Path: addrs.RootModuleInstance}
{
tf := &ConfigTransformer{Config: mod}
if err := tf.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
t.Logf("graph after ConfigTransformer:\n%s", g.String())
}
{
transform := &AttachResourceConfigTransformer{Config: mod}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &AttachSchemaTransformer{
Plugins: schemaOnlyProvidersForTesting(map[addrs.Provider]*ProviderSchema{
addrs.NewDefaultProvider("aws"): {
ResourceTypes: map[string]*configschema.Block{
"aws_instance": {
Attributes: map[string]*configschema.Attribute{
"A": {
Type: cty.String,
Optional: true,
},
"B": {
Type: cty.String,
Optional: true,
},
},
},
},
},
}),
}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
}
{
transform := &ReferenceTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
t.Logf("graph after ReferenceTransformer:\n%s", g.String())
}
{
transform := &TransitiveReductionTransformer{}
if err := transform.Transform(&g); err != nil {
t.Fatalf("err: %s", err)
}
t.Logf("graph after TransitiveReductionTransformer:\n%s", g.String())
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testTransformTransReduceBasicStr)
if actual != expected {
t.Errorf("wrong result\ngot:\n%s\n\nwant:\n%s", actual, expected)
}
}
const testTransformTransReduceBasicStr = `
aws_instance.A
aws_instance.B
aws_instance.A
aws_instance.C
aws_instance.B
`