134 lines
3.8 KiB
Go
134 lines
3.8 KiB
Go
package local
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/hashicorp/terraform/backend"
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"github.com/hashicorp/terraform/providers"
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"github.com/hashicorp/terraform/states"
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"github.com/hashicorp/terraform/states/statemgr"
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"github.com/hashicorp/terraform/terraform"
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"github.com/hashicorp/terraform/tfdiags"
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)
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// TestLocal returns a configured Local struct with temporary paths and
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// in-memory ContextOpts.
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//
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// No operations will be called on the returned value, so you can still set
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// public fields without any locks.
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func TestLocal(t *testing.T) (*Local, func()) {
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t.Helper()
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tempDir := testTempDir(t)
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var local *Local
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local = &Local{
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StatePath: filepath.Join(tempDir, "state.tfstate"),
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StateOutPath: filepath.Join(tempDir, "state.tfstate"),
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StateBackupPath: filepath.Join(tempDir, "state.tfstate.bak"),
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StateWorkspaceDir: filepath.Join(tempDir, "state.tfstate.d"),
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ContextOpts: &terraform.ContextOpts{},
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ShowDiagnostics: func(vals ...interface{}) {
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var diags tfdiags.Diagnostics
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diags = diags.Append(vals...)
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for _, diag := range diags {
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// NOTE: Since the caller here is not directly the TestLocal
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// function, t.Helper doesn't apply and so the log source
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// isn't correctly shown in the test log output. This seems
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// unavoidable as long as this is happening so indirectly.
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t.Log(diag.Description().Summary)
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if local.CLI != nil {
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local.CLI.Error(diag.Description().Summary)
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}
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}
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},
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}
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cleanup := func() {
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if err := os.RemoveAll(tempDir); err != nil {
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t.Fatal("error cleanup up test:", err)
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}
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}
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return local, cleanup
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}
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// TestLocalProvider modifies the ContextOpts of the *Local parameter to
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// have a provider with the given name.
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func TestLocalProvider(t *testing.T, b *Local, name string, schema *terraform.ProviderSchema) *terraform.MockProvider {
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// Build a mock resource provider for in-memory operations
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p := new(terraform.MockProvider)
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p.GetSchemaReturn = schema
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p.PlanResourceChangeFn = func(req providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
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return providers.PlanResourceChangeResponse{
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PlannedState: req.ProposedNewState,
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PlannedPrivate: req.PriorPrivate,
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}
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}
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p.ReadResourceFn = func(req providers.ReadResourceRequest) providers.ReadResourceResponse {
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return providers.ReadResourceResponse{NewState: req.PriorState}
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}
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// Initialize the opts
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if b.ContextOpts == nil {
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b.ContextOpts = &terraform.ContextOpts{}
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}
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// Setup our provider
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b.ContextOpts.ProviderResolver = providers.ResolverFixed(
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map[string]providers.Factory{
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name: providers.FactoryFixed(p),
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},
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)
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return p
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}
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// TestNewLocalSingle is a factory for creating a TestLocalSingleState.
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// This function matches the signature required for backend/init.
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func TestNewLocalSingle() backend.Backend {
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return &TestLocalSingleState{}
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}
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// TestLocalSingleState is a backend implementation that wraps Local
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// and modifies it to only support single states (returns
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// ErrNamedStatesNotSupported for multi-state operations).
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//
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// This isn't an actual use case, this is exported just to provide a
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// easy way to test that behavior.
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type TestLocalSingleState struct {
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Local
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}
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func (b *TestLocalSingleState) State(name string) (statemgr.Full, error) {
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if name != backend.DefaultStateName {
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return nil, backend.ErrNamedStatesNotSupported
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}
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return b.Local.StateMgr(name)
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}
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func (b *TestLocalSingleState) States() ([]string, error) {
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return nil, backend.ErrNamedStatesNotSupported
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}
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func (b *TestLocalSingleState) DeleteState(string) error {
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return backend.ErrNamedStatesNotSupported
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}
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func testTempDir(t *testing.T) string {
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d, err := ioutil.TempDir("", "tf")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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return d
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}
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func testStateFile(t *testing.T, path string, s *states.State) {
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stateFile := statemgr.NewFilesystem(path)
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stateFile.WriteState(s)
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}
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