github.com/turtlemonvh/terraform@v0.6.9-0.20151204001754-8e40b6b855e8/terraform/transform_transitive_reduction_test.go (about)

     1  package terraform
     2  
     3  import (
     4  	"strings"
     5  	"testing"
     6  )
     7  
     8  func TestTransitiveReductionTransformer(t *testing.T) {
     9  	mod := testModule(t, "transform-trans-reduce-basic")
    10  
    11  	g := Graph{Path: RootModulePath}
    12  	{
    13  		tf := &ConfigTransformer{Module: mod}
    14  		if err := tf.Transform(&g); err != nil {
    15  			t.Fatalf("err: %s", err)
    16  		}
    17  	}
    18  
    19  	{
    20  		transform := &TransitiveReductionTransformer{}
    21  		if err := transform.Transform(&g); err != nil {
    22  			t.Fatalf("err: %s", err)
    23  		}
    24  	}
    25  
    26  	actual := strings.TrimSpace(g.String())
    27  	expected := strings.TrimSpace(testTransformTransReduceBasicStr)
    28  	if actual != expected {
    29  		t.Fatalf("bad:\n\n%s", actual)
    30  	}
    31  }
    32  
    33  const testTransformTransReduceBasicStr = `
    34  aws_instance.A
    35  aws_instance.B
    36    aws_instance.A
    37  aws_instance.C
    38    aws_instance.B
    39  `