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Copy pathdiff_test.go
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214 lines (181 loc) · 3.49 KB
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package terraform
import (
"strings"
"testing"
)
func TestDiff_Empty(t *testing.T) {
diff := new(Diff)
if !diff.Empty() {
t.Fatal("should be empty")
}
diff.Resources = map[string]*InstanceDiff{
"nodeA": &InstanceDiff{},
}
if !diff.Empty() {
t.Fatal("should be empty")
}
diff.Resources["nodeA"].Attributes = map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{
Old: "foo",
New: "bar",
},
}
if diff.Empty() {
t.Fatal("should not be empty")
}
diff.Resources["nodeA"].Attributes = nil
diff.Resources["nodeA"].Destroy = true
if diff.Empty() {
t.Fatal("should not be empty")
}
}
func TestDiff_String(t *testing.T) {
diff := &Diff{
Resources: map[string]*InstanceDiff{
"nodeA": &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{
Old: "foo",
New: "bar",
},
"bar": &ResourceAttrDiff{
Old: "foo",
NewComputed: true,
},
"longfoo": &ResourceAttrDiff{
Old: "foo",
New: "bar",
RequiresNew: true,
},
},
},
},
}
actual := strings.TrimSpace(diff.String())
expected := strings.TrimSpace(diffStrBasic)
if actual != expected {
t.Fatalf("bad:\n%s", actual)
}
}
func TestResourceDiff_Empty(t *testing.T) {
var rd *InstanceDiff
if !rd.Empty() {
t.Fatal("should be empty")
}
rd = new(InstanceDiff)
if !rd.Empty() {
t.Fatal("should be empty")
}
rd = &InstanceDiff{Destroy: true}
if rd.Empty() {
t.Fatal("should not be empty")
}
rd = &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{
New: "bar",
},
},
}
if rd.Empty() {
t.Fatal("should not be empty")
}
}
func TestResourceDiff_RequiresNew(t *testing.T) {
rd := &InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{},
},
}
if rd.RequiresNew() {
t.Fatal("should not require new")
}
rd.Attributes["foo"].RequiresNew = true
if !rd.RequiresNew() {
t.Fatal("should require new")
}
}
func TestResourceDiff_RequiresNew_nil(t *testing.T) {
var rd *InstanceDiff
if rd.RequiresNew() {
t.Fatal("should not require new")
}
}
func TestResourceDiffSame(t *testing.T) {
cases := []struct {
One, Two *InstanceDiff
Same bool
}{
{
&InstanceDiff{},
&InstanceDiff{},
true,
},
{
nil,
nil,
true,
},
{
&InstanceDiff{Destroy: false},
&InstanceDiff{Destroy: true},
false,
},
{
&InstanceDiff{Destroy: true},
&InstanceDiff{Destroy: true},
true,
},
{
&InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{},
},
},
&InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{},
},
},
true,
},
{
&InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"bar": &ResourceAttrDiff{},
},
},
&InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{},
},
},
false,
},
{
&InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{RequiresNew: true},
},
},
&InstanceDiff{
Attributes: map[string]*ResourceAttrDiff{
"foo": &ResourceAttrDiff{RequiresNew: false},
},
},
false,
},
}
for i, tc := range cases {
actual := tc.One.Same(tc.Two)
if actual != tc.Same {
t.Fatalf("Fail %d", i)
}
}
}
const diffStrBasic = `
CREATE: nodeA
bar: "foo" => "<computed>"
foo: "foo" => "bar"
longfoo: "foo" => "bar" (forces new resource)
`