terraform/command/state_show_test.go

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package command
import (
"strings"
"testing"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/configs/configschema"
"github.com/hashicorp/terraform/providers"
"github.com/hashicorp/terraform/states"
"github.com/mitchellh/cli"
"github.com/zclconf/go-cty/cty"
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)
func TestStateShow(t *testing.T) {
state := states.BuildState(func(s *states.SyncState) {
s.SetResourceInstanceCurrent(
addrs.Resource{
Mode: addrs.ManagedResourceMode,
Type: "test_instance",
Name: "foo",
}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
&states.ResourceInstanceObjectSrc{
AttrsJSON: []byte(`{"id":"bar","foo":"value","bar":"value"}`),
Status: states.ObjectReady,
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},
addrs.AbsProviderConfig{
Provider: addrs.NewDefaultProvider("test"),
Module: addrs.RootModule,
},
)
})
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statePath := testStateFile(t, state)
p := testProvider()
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p.GetSchemaResponse = &providers.GetSchemaResponse{
ResourceTypes: map[string]providers.Schema{
"test_instance": {
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Block: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"id": {Type: cty.String, Optional: true, Computed: true},
"foo": {Type: cty.String, Optional: true},
"bar": {Type: cty.String, Optional: true},
},
},
},
},
}
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ui := new(cli.MockUi)
c := &StateShowCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
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},
}
args := []string{
"-state", statePath,
"test_instance.foo",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Test that outputs were displayed
expected := strings.TrimSpace(testStateShowOutput) + "\n"
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actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal:\n%q", actual, expected)
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}
}
func TestStateShow_multi(t *testing.T) {
submod, _ := addrs.ParseModuleInstanceStr("module.sub")
state := states.BuildState(func(s *states.SyncState) {
s.SetResourceInstanceCurrent(
addrs.Resource{
Mode: addrs.ManagedResourceMode,
Type: "test_instance",
Name: "foo",
}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
&states.ResourceInstanceObjectSrc{
AttrsJSON: []byte(`{"id":"bar","foo":"value","bar":"value"}`),
Status: states.ObjectReady,
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},
addrs.AbsProviderConfig{
Provider: addrs.NewDefaultProvider("test"),
Module: addrs.RootModule,
},
)
s.SetResourceInstanceCurrent(
addrs.Resource{
Mode: addrs.ManagedResourceMode,
Type: "test_instance",
Name: "foo",
}.Instance(addrs.NoKey).Absolute(submod),
&states.ResourceInstanceObjectSrc{
AttrsJSON: []byte(`{"id":"foo","foo":"value","bar":"value"}`),
Status: states.ObjectReady,
},
addrs.AbsProviderConfig{
Provider: addrs.NewDefaultProvider("test"),
Module: submod.Module(),
},
)
})
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statePath := testStateFile(t, state)
p := testProvider()
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p.GetSchemaResponse = &providers.GetSchemaResponse{
ResourceTypes: map[string]providers.Schema{
"test_instance": {
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Block: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"id": {Type: cty.String, Optional: true, Computed: true},
"foo": {Type: cty.String, Optional: true},
"bar": {Type: cty.String, Optional: true},
},
},
},
},
}
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ui := new(cli.MockUi)
c := &StateShowCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
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},
}
args := []string{
"-state", statePath,
"test_instance.foo",
}
if code := c.Run(args); code != 0 {
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t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Test that outputs were displayed
expected := strings.TrimSpace(testStateShowOutput) + "\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal:\n%q", actual, expected)
}
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}
func TestStateShow_noState(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
p := testProvider()
ui := new(cli.MockUi)
c := &StateShowCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
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},
}
args := []string{
"test_instance.foo",
}
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if code := c.Run(args); code != 1 {
t.Fatalf("bad: %d", code)
}
if !strings.Contains(ui.ErrorWriter.String(), "No state file was found!") {
t.Fatalf("expected a no state file error, got: %s", ui.ErrorWriter.String())
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}
}
func TestStateShow_emptyState(t *testing.T) {
state := states.NewState()
statePath := testStateFile(t, state)
p := testProvider()
ui := new(cli.MockUi)
c := &StateShowCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"test_instance.foo",
}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: %d", code)
}
if !strings.Contains(ui.ErrorWriter.String(), "No instance found for the given address!") {
t.Fatalf("expected a no instance found error, got: %s", ui.ErrorWriter.String())
}
}
func TestStateShow_configured_provider(t *testing.T) {
state := states.BuildState(func(s *states.SyncState) {
s.SetResourceInstanceCurrent(
addrs.Resource{
Mode: addrs.ManagedResourceMode,
Type: "test_instance",
Name: "foo",
}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
&states.ResourceInstanceObjectSrc{
AttrsJSON: []byte(`{"id":"bar","foo":"value","bar":"value"}`),
Status: states.ObjectReady,
},
addrs.AbsProviderConfig{
Provider: addrs.NewDefaultProvider("test-beta"),
Module: addrs.RootModule,
},
)
})
statePath := testStateFile(t, state)
p := testProvider()
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p.GetSchemaResponse = &providers.GetSchemaResponse{
ResourceTypes: map[string]providers.Schema{
"test_instance": {
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Block: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"id": {Type: cty.String, Optional: true, Computed: true},
"foo": {Type: cty.String, Optional: true},
"bar": {Type: cty.String, Optional: true},
},
},
},
},
}
ui := new(cli.MockUi)
c := &StateShowCommand{
Meta: Meta{
testingOverrides: &testingOverrides{
Providers: map[addrs.Provider]providers.Factory{
addrs.NewDefaultProvider("test-beta"): providers.FactoryFixed(p),
},
},
Ui: ui,
},
}
args := []string{
"-state", statePath,
"test_instance.foo",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Test that outputs were displayed
expected := strings.TrimSpace(testStateShowOutput) + "\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal:\n%q", actual, expected)
}
}
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const testStateShowOutput = `
# test_instance.foo:
resource "test_instance" "foo" {
bar = "value"
foo = "value"
id = "bar"
}
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`