terraform/command/state_list_test.go

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package command
import (
"os"
"strings"
"testing"
"github.com/mitchellh/cli"
)
func TestStateList(t *testing.T) {
state := testState()
statePath := testStateFile(t, state)
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
}
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(testStateListOutput) + "\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
}
func TestStateListWithID(t *testing.T) {
state := testState()
statePath := testStateFile(t, state)
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"-id", "bar",
}
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(testStateListOutput) + "\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
}
func TestStateListWithNonExistentID(t *testing.T) {
state := testState()
statePath := testStateFile(t, state)
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{
"-state", statePath,
"-id", "baz",
}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Test that output is empty
if ui.OutputWriter != nil {
actual := ui.OutputWriter.String()
if actual != "" {
t.Fatalf("Expected an empty output but got: %q", actual)
}
}
}
func TestStateList_backendDefaultState(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
testCopyDir(t, testFixturePath("state-list-backend-default"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Test that outputs were displayed
expected := "null_resource.a\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
}
func TestStateList_backendCustomState(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
testCopyDir(t, testFixturePath("state-list-backend-custom"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d\n\n%s", code, ui.ErrorWriter.String())
}
// Test that outputs were displayed
expected := "null_resource.a\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
}
func TestStateList_backendOverrideState(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
testCopyDir(t, testFixturePath("state-list-backend-custom"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
// This test is configured to use a local backend that has
// a custom path defined. So we test if we can still pass
// is a user defined state file that will then override the
// one configured in the backend. As this file does not exist
// it should exit with a no state found error.
args := []string{"-state=" + DefaultStateFilename}
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())
}
}
func TestStateList_noState(t *testing.T) {
tmp, cwd := testCwd(t)
defer testFixCwd(t, tmp, cwd)
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
args := []string{}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: %d", code)
}
}
func TestStateList_modules(t *testing.T) {
// Create a temporary working directory that is empty
td := tempDir(t)
testCopyDir(t, testFixturePath("state-list-nested-modules"), td)
defer os.RemoveAll(td)
defer testChdir(t, td)()
p := testProvider()
ui := cli.NewMockUi()
c := &StateListCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(p),
Ui: ui,
},
}
t.Run("list resources in module and submodules", func(t *testing.T) {
args := []string{"module.nest"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d", code)
}
// resources in the module and any submodules should be included in the outputs
expected := "module.nest.test_instance.nest\nmodule.nest.module.subnest.test_instance.subnest\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
})
t.Run("submodule has resources only", func(t *testing.T) {
// now get the state for a module that has no resources, only another nested module
ui.OutputWriter.Reset()
args := []string{"module.nonexist"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d", code)
}
expected := "module.nonexist.module.child.test_instance.child\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
})
t.Run("expanded module", func(t *testing.T) {
// finally get the state for a module with an index
ui.OutputWriter.Reset()
args := []string{"module.count"}
if code := c.Run(args); code != 0 {
t.Fatalf("bad: %d", code)
}
expected := "module.count[0].test_instance.count\nmodule.count[1].test_instance.count\n"
actual := ui.OutputWriter.String()
if actual != expected {
t.Fatalf("Expected:\n%q\n\nTo equal: %q", actual, expected)
}
})
t.Run("completely nonexistent module", func(t *testing.T) {
// finally get the state for a module with an index
ui.OutputWriter.Reset()
args := []string{"module.notevenalittlebit"}
if code := c.Run(args); code != 1 {
t.Fatalf("bad: %d", code)
}
})
}
const testStateListOutput = `
test_instance.foo
`