terraform/internal/terraform/node_module_expand_test.go

117 lines
2.9 KiB
Go

package terraform
import (
"testing"
"github.com/hashicorp/hcl/v2/hcltest"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/configs"
"github.com/hashicorp/terraform/internal/instances"
"github.com/hashicorp/terraform/internal/states"
"github.com/zclconf/go-cty/cty"
)
func TestNodeExpandModuleExecute(t *testing.T) {
ctx := &MockEvalContext{
InstanceExpanderExpander: instances.NewExpander(),
}
ctx.installSimpleEval()
node := nodeExpandModule{
Addr: addrs.Module{"child"},
ModuleCall: &configs.ModuleCall{
Count: hcltest.MockExprLiteral(cty.NumberIntVal(2)),
},
}
err := node.Execute(ctx, walkApply)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !ctx.InstanceExpanderCalled {
t.Fatal("did not expand")
}
}
func TestNodeCloseModuleExecute(t *testing.T) {
t.Run("walkApply", func(t *testing.T) {
state := states.NewState()
state.EnsureModule(addrs.RootModuleInstance.Child("child", addrs.NoKey))
ctx := &MockEvalContext{
StateState: state.SyncWrapper(),
}
node := nodeCloseModule{addrs.Module{"child"}}
diags := node.Execute(ctx, walkApply)
if diags.HasErrors() {
t.Fatalf("unexpected error: %s", diags.Err())
}
// Since module.child has no resources, it should be removed
if _, ok := state.Modules["module.child"]; ok {
t.Fatal("module.child was not removed from state")
}
})
// walkImport is a no-op
t.Run("walkImport", func(t *testing.T) {
state := states.NewState()
state.EnsureModule(addrs.RootModuleInstance.Child("child", addrs.NoKey))
ctx := &MockEvalContext{
StateState: state.SyncWrapper(),
}
node := nodeCloseModule{addrs.Module{"child"}}
diags := node.Execute(ctx, walkImport)
if diags.HasErrors() {
t.Fatalf("unexpected error: %s", diags.Err())
}
if _, ok := state.Modules["module.child"]; !ok {
t.Fatal("module.child was removed from state, expected no-op")
}
})
}
func TestNodeValidateModuleExecute(t *testing.T) {
t.Run("success", func(t *testing.T) {
ctx := &MockEvalContext{
InstanceExpanderExpander: instances.NewExpander(),
}
ctx.installSimpleEval()
node := nodeValidateModule{
nodeExpandModule{
Addr: addrs.Module{"child"},
ModuleCall: &configs.ModuleCall{
Count: hcltest.MockExprLiteral(cty.NumberIntVal(2)),
},
},
}
diags := node.Execute(ctx, walkApply)
if diags.HasErrors() {
t.Fatalf("unexpected error: %v", diags.Err())
}
})
t.Run("invalid count", func(t *testing.T) {
ctx := &MockEvalContext{
InstanceExpanderExpander: instances.NewExpander(),
}
ctx.installSimpleEval()
node := nodeValidateModule{
nodeExpandModule{
Addr: addrs.Module{"child"},
ModuleCall: &configs.ModuleCall{
Count: hcltest.MockExprLiteral(cty.StringVal("invalid")),
},
},
}
err := node.Execute(ctx, walkApply)
if err == nil {
t.Fatal("expected error, got success")
}
})
}