terraform/internal/states/statemgr/migrate_test.go

103 lines
3.2 KiB
Go
Raw Normal View History

package statemgr
import (
"testing"
"github.com/zclconf/go-cty/cty"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/states"
"github.com/hashicorp/terraform/internal/states/statefile"
)
func TestCheckValidImport(t *testing.T) {
barState := states.BuildState(func(s *states.SyncState) {
s.SetOutputValue(
addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance),
cty.StringVal("bar"), false,
)
})
notBarState := states.BuildState(func(s *states.SyncState) {
s.SetOutputValue(
addrs.OutputValue{Name: "foo"}.Absolute(addrs.RootModuleInstance),
cty.StringVal("not bar"), false,
)
})
emptyState := states.NewState()
tests := map[string]struct {
New *statefile.File
Existing *statefile.File
WantErr string
}{
"exact match": {
New: statefile.New(barState, "lineage", 1),
Existing: statefile.New(barState, "lineage", 1),
WantErr: ``,
},
"overwrite unrelated empty state": {
New: statefile.New(barState, "lineage1", 1),
Existing: statefile.New(emptyState, "lineage2", 1),
WantErr: ``,
},
"different state with same serial": {
New: statefile.New(barState, "lineage", 1),
Existing: statefile.New(notBarState, "lineage", 1),
WantErr: `cannot overwrite existing state with serial 1 with a different state that has the same serial`,
},
"different state with newer serial": {
New: statefile.New(barState, "lineage", 2),
Existing: statefile.New(notBarState, "lineage", 1),
WantErr: ``,
},
"different state with older serial": {
New: statefile.New(barState, "lineage", 1),
Existing: statefile.New(notBarState, "lineage", 2),
WantErr: `cannot import state with serial 1 over newer state with serial 2`,
},
"different lineage with same serial": {
New: statefile.New(barState, "lineage1", 2),
Existing: statefile.New(notBarState, "lineage2", 2),
WantErr: `cannot import state with lineage "lineage1" over unrelated state with lineage "lineage2"`,
},
"different lineage with different serial": {
New: statefile.New(barState, "lineage1", 3),
Existing: statefile.New(notBarState, "lineage2", 2),
WantErr: `cannot import state with lineage "lineage1" over unrelated state with lineage "lineage2"`,
},
"new state is legacy": {
New: statefile.New(barState, "", 2),
Existing: statefile.New(notBarState, "lineage", 2),
WantErr: ``,
},
"old state is legacy": {
New: statefile.New(barState, "lineage", 2),
Existing: statefile.New(notBarState, "", 2),
WantErr: ``,
},
"both states are legacy": {
New: statefile.New(barState, "", 2),
Existing: statefile.New(notBarState, "", 2),
WantErr: ``,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
gotErr := CheckValidImport(test.New, test.Existing)
if test.WantErr == "" {
if gotErr != nil {
t.Errorf("unexpected error: %s", gotErr)
}
} else {
if gotErr == nil {
t.Errorf("succeeded, but want error: %s", test.WantErr)
} else if got, want := gotErr.Error(), test.WantErr; got != want {
t.Errorf("wrong error\ngot: %s\nwant: %s", got, want)
}
}
})
}
}