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Copy pathgraph_builder_test.go
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143 lines (121 loc) · 3.03 KB
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package terraform
import (
"reflect"
"strings"
"testing"
"github.com/hashicorp/terraform/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(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(g.Path, RootModulePath) {
t.Fatalf("bad: %#v", 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(RootModulePath)
if err == nil {
t.Fatal("should error")
}
}
func TestBuiltinGraphBuilder_impl(t *testing.T) {
var _ GraphBuilder = new(BuiltinGraphBuilder)
}
// This test is not meant to test all the transforms but rather just
// to verify we get some basic sane graph out. Special tests to ensure
// specific ordering of steps should be added in other tests.
func TestBuiltinGraphBuilder(t *testing.T) {
b := &BuiltinGraphBuilder{
Root: testModule(t, "graph-builder-basic"),
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testBuiltinGraphBuilderBasicStr)
if actual != expected {
t.Fatalf("bad: %s", actual)
}
}
/*
TODO: This exposes a really bad bug we need to fix after we merge
the f-ast-branch. This bug still exists in master.
// This test tests that the graph builder properly expands modules.
func TestBuiltinGraphBuilder_modules(t *testing.T) {
b := &BuiltinGraphBuilder{
Root: testModule(t, "graph-builder-modules"),
}
g, err := b.Build(RootModulePath)
if err != nil {
t.Fatalf("err: %s", err)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testBuiltinGraphBuilderModuleStr)
if actual != expected {
t.Fatalf("bad: %s", actual)
}
}
*/
type testBasicGraphBuilderTransform struct {
V dag.Vertex
}
func (t *testBasicGraphBuilderTransform) Transform(g *Graph) error {
g.Add(t.V)
return nil
}
const testBasicGraphBuilderStr = `
1
`
const testBuiltinGraphBuilderBasicStr = `
aws_instance.db
aws_instance.db (destroy)
provider.aws
aws_instance.db (destroy)
aws_instance.web (destroy)
provider.aws
aws_instance.web
aws_instance.db
aws_instance.web (destroy)
provider.aws
aws_instance.web (destroy)
provider.aws
provider.aws
`
const testBuiltinGraphBuilderModuleStr = `
aws_instance.web
aws_instance.web (destroy)
aws_instance.web (destroy)
aws_security_group.firewall
module.consul (expanded)
provider.aws
aws_security_group.firewall
aws_security_group.firewall (destroy)
aws_security_group.firewall (destroy)
provider.aws
module.consul (expanded)
aws_security_group.firewall
provider.aws
provider.aws
`