terraform/config/merge_test.go

500 lines
8.1 KiB
Go

package config
import (
"fmt"
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
)
func TestMerge(t *testing.T) {
cases := []struct {
c1, c2, result *Config
err bool
}{
// Normal good case.
{
&Config{
Atlas: &AtlasConfig{
Name: "foo",
},
Modules: []*Module{
&Module{Name: "foo"},
},
Outputs: []*Output{
&Output{Name: "foo"},
},
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Name: "foo"},
},
Resources: []*Resource{
&Resource{Name: "foo"},
},
Variables: []*Variable{
&Variable{Name: "foo"},
},
Locals: []*Local{
&Local{Name: "foo"},
},
unknownKeys: []string{"foo"},
},
&Config{
Atlas: &AtlasConfig{
Name: "bar",
},
Modules: []*Module{
&Module{Name: "bar"},
},
Outputs: []*Output{
&Output{Name: "bar"},
},
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Name: "bar"},
},
Resources: []*Resource{
&Resource{Name: "bar"},
},
Variables: []*Variable{
&Variable{Name: "bar"},
},
Locals: []*Local{
&Local{Name: "bar"},
},
unknownKeys: []string{"bar"},
},
&Config{
Atlas: &AtlasConfig{
Name: "bar",
},
Modules: []*Module{
&Module{Name: "foo"},
&Module{Name: "bar"},
},
Outputs: []*Output{
&Output{Name: "foo"},
&Output{Name: "bar"},
},
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Name: "foo"},
&ProviderConfig{Name: "bar"},
},
Resources: []*Resource{
&Resource{Name: "foo"},
&Resource{Name: "bar"},
},
Variables: []*Variable{
&Variable{Name: "foo"},
&Variable{Name: "bar"},
},
Locals: []*Local{
&Local{Name: "foo"},
&Local{Name: "bar"},
},
unknownKeys: []string{"foo", "bar"},
},
false,
},
// Test that when merging duplicates, it merges into the
// first, but keeps the duplicates so that errors still
// happen.
{
&Config{
Outputs: []*Output{
&Output{Name: "foo"},
},
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Name: "foo"},
},
Resources: []*Resource{
&Resource{Name: "foo"},
},
Variables: []*Variable{
&Variable{Name: "foo", Default: "foo"},
&Variable{Name: "foo"},
},
Locals: []*Local{
&Local{Name: "foo"},
},
unknownKeys: []string{"foo"},
},
&Config{
Outputs: []*Output{
&Output{Name: "bar"},
},
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Name: "bar"},
},
Resources: []*Resource{
&Resource{Name: "bar"},
},
Variables: []*Variable{
&Variable{Name: "foo", Default: "bar"},
&Variable{Name: "bar"},
},
Locals: []*Local{
&Local{Name: "foo"},
},
unknownKeys: []string{"bar"},
},
&Config{
Outputs: []*Output{
&Output{Name: "foo"},
&Output{Name: "bar"},
},
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Name: "foo"},
&ProviderConfig{Name: "bar"},
},
Resources: []*Resource{
&Resource{Name: "foo"},
&Resource{Name: "bar"},
},
Variables: []*Variable{
&Variable{Name: "foo", Default: "bar"},
&Variable{Name: "foo"},
&Variable{Name: "bar"},
},
Locals: []*Local{
&Local{Name: "foo"},
&Local{Name: "foo"},
},
unknownKeys: []string{"foo", "bar"},
},
false,
},
// Terraform block
{
&Config{
Terraform: &Terraform{
RequiredVersion: "A",
},
},
&Config{},
&Config{
Terraform: &Terraform{
RequiredVersion: "A",
},
},
false,
},
{
&Config{},
&Config{
Terraform: &Terraform{
RequiredVersion: "A",
},
},
&Config{
Terraform: &Terraform{
RequiredVersion: "A",
},
},
false,
},
// Provider alias
{
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "foo"},
},
},
&Config{},
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "foo"},
},
},
false,
},
{
&Config{},
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "foo"},
},
},
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "foo"},
},
},
false,
},
{
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "bar"},
},
},
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "foo"},
},
},
&Config{
ProviderConfigs: []*ProviderConfig{
&ProviderConfig{Alias: "foo"},
},
},
false,
},
// Variable type
{
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "foo"},
},
},
&Config{},
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "foo"},
},
},
false,
},
{
&Config{},
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "foo"},
},
},
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "foo"},
},
},
false,
},
{
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "bar"},
},
},
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "foo"},
},
},
&Config{
Variables: []*Variable{
&Variable{DeclaredType: "foo"},
},
},
false,
},
// Output description
{
&Config{
Outputs: []*Output{
&Output{Description: "foo"},
},
},
&Config{},
&Config{
Outputs: []*Output{
&Output{Description: "foo"},
},
},
false,
},
{
&Config{},
&Config{
Outputs: []*Output{
&Output{Description: "foo"},
},
},
&Config{
Outputs: []*Output{
&Output{Description: "foo"},
},
},
false,
},
{
&Config{
Outputs: []*Output{
&Output{Description: "bar"},
},
},
&Config{
Outputs: []*Output{
&Output{Description: "foo"},
},
},
&Config{
Outputs: []*Output{
&Output{Description: "foo"},
},
},
false,
},
// Output depends_on
{
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"foo"}},
},
},
&Config{},
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"foo"}},
},
},
false,
},
{
&Config{},
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"foo"}},
},
},
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"foo"}},
},
},
false,
},
{
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"bar"}},
},
},
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"foo"}},
},
},
&Config{
Outputs: []*Output{
&Output{DependsOn: []string{"foo"}},
},
},
false,
},
// Output sensitive
{
&Config{
Outputs: []*Output{
&Output{Sensitive: true},
},
},
&Config{},
&Config{
Outputs: []*Output{
&Output{Sensitive: true},
},
},
false,
},
{
&Config{},
&Config{
Outputs: []*Output{
&Output{Sensitive: true},
},
},
&Config{
Outputs: []*Output{
&Output{Sensitive: true},
},
},
false,
},
{
&Config{
Outputs: []*Output{
&Output{Sensitive: false},
},
},
&Config{
Outputs: []*Output{
&Output{Sensitive: true},
},
},
&Config{
Outputs: []*Output{
&Output{Sensitive: true},
},
},
false,
},
// terraform blocks are merged, not overwritten
{
&Config{
Terraform: &Terraform{
RequiredVersion: "A",
},
},
&Config{
Terraform: &Terraform{
Backend: &Backend{
Type: "test",
},
},
},
&Config{
Terraform: &Terraform{
RequiredVersion: "A",
Backend: &Backend{
Type: "test",
},
},
},
false,
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%02d", i), func(t *testing.T) {
actual, err := Merge(tc.c1, tc.c2)
if err != nil != tc.err {
t.Errorf("unexpected error: %s", err)
}
if !reflect.DeepEqual(actual, tc.result) {
t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(actual), spew.Sdump(tc.result))
}
})
}
}