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command/format: Render empty maps as {}

This commit is contained in:
Radek Simko 2019-01-14 15:15:01 +00:00
parent 0995559934
commit 0dd2d56f18
No known key found for this signature in database
GPG Key ID: 1F1C84FE689A88D7
2 changed files with 65 additions and 3 deletions
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10
command/format/diff.go
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@ -477,7 +477,7 @@ func (p *blockBodyDiffPrinter) writeValue(val cty.Value, action plans.Action, in
p.buf.WriteString(strings.Repeat(" ", indent))
p.buf.WriteString("]")
case ty.IsMapType():
p.buf.WriteString("{\n")
p.buf.WriteString("{")
keyLen := 0
for it := val.ElementIterator(); it.Next(); {
@ -489,16 +489,20 @@ func (p *blockBodyDiffPrinter) writeValue(val cty.Value, action plans.Action, in
for it := val.ElementIterator(); it.Next(); {
key, val := it.Element()
p.buf.WriteString("\n")
p.buf.WriteString(strings.Repeat(" ", indent+2))
p.writeActionSymbol(action)
p.writeValue(key, action, indent+4)
p.buf.WriteString(strings.Repeat(" ", keyLen-len(key.AsString())))
p.buf.WriteString(" = ")
p.writeValue(val, action, indent+4)
p.buf.WriteString("\n")
}
p.buf.WriteString(strings.Repeat(" ", indent))
if val.LengthInt() > 0 {
p.buf.WriteString("\n")
p.buf.WriteString(strings.Repeat(" ", indent))
}
p.buf.WriteString("}")
case ty.IsObjectType():
p.buf.WriteString("{\n")

58
command/format/diff_test.go
View File

@ -743,6 +743,39 @@ func TestResourceChange_primitiveSet(t *testing.T) {
func TestResourceChange_map(t *testing.T) {
testCases := map[string]testCase{
"in-place update - creation": {
Action: plans.Update,
Mode: addrs.ManagedResourceMode,
Before: cty.ObjectVal(map[string]cty.Value{
"id": cty.StringVal("i-02ae66f368e8518a9"),
"ami": cty.StringVal("ami-STATIC"),
"map_field": cty.NullVal(cty.Map(cty.String)),
}),
After: cty.ObjectVal(map[string]cty.Value{
"id": cty.UnknownVal(cty.String),
"ami": cty.StringVal("ami-STATIC"),
"map_field": cty.MapVal(map[string]cty.Value{
"new-key": cty.StringVal("new-element"),
}),
}),
Schema: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"id": {Type: cty.String, Optional: true, Computed: true},
"ami": {Type: cty.String, Optional: true},
"map_field": {Type: cty.Map(cty.String), Optional: true},
},
},
RequiredReplace: cty.NewPathSet(),
ExpectedOutput: ` # test_instance.example will be updated in-place
~ resource "test_instance" "example" {
ami = "ami-STATIC"
~ id = "i-02ae66f368e8518a9" -> (known after apply)
+ map_field = {
+ "new-key" = "new-element"
}
}
`,
},
"in-place update - first insertion": {
Action: plans.Update,
Mode: addrs.ManagedResourceMode,
Before: cty.ObjectVal(map[string]cty.Value{
@ -894,6 +927,31 @@ func TestResourceChange_map(t *testing.T) {
- "c" = "cccc" -> null
}
}
`,
},
"creation - empty": {
Action: plans.Create,
Mode: addrs.ManagedResourceMode,
Before: cty.NullVal(cty.EmptyObject),
After: cty.ObjectVal(map[string]cty.Value{
"id": cty.UnknownVal(cty.String),
"ami": cty.StringVal("ami-STATIC"),
"map_field": cty.MapValEmpty(cty.String),
}),
Schema: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"id": {Type: cty.String, Optional: true, Computed: true},
"ami": {Type: cty.String, Optional: true},
"map_field": {Type: cty.Map(cty.String), Optional: true},
},
},
RequiredReplace: cty.NewPathSet(),
ExpectedOutput: ` # test_instance.example will be created
+ resource "test_instance" "example" {
+ ami = "ami-STATIC"
+ id = (known after apply)
+ map_field = {}
}
`,
},
}