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module_test.go
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module_test.go
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package configstack
import (
"os"
"path/filepath"
"testing"
"github.com/coveooss/terragrunt/v2/config"
"github.com/coveooss/terragrunt/v2/tgerrors"
"github.com/stretchr/testify/assert"
)
func TestResolveTerraformModulesNoPaths(t *testing.T) {
t.Parallel()
configPaths := []string{}
expected := []*TerraformModule{}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesOneModuleNoDependencies(t *testing.T) {
t.Parallel()
moduleA := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-a"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{Terraform: &config.TerraformConfig{Source: "test"}},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-a/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-a/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleA}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesOneModuleWithIncludesNoDependencies(t *testing.T) {
t.Parallel()
moduleB := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-b/module-b-child"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{
RemoteState: state("bucket", "module-b-child/terraform.tfstate"),
Terraform: &config.TerraformConfig{Source: "..."},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-b/module-b-child/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-b/module-b-child/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleB}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesTwoModulesWithDependencies(t *testing.T) {
t.Parallel()
moduleA := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-a"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{
Terraform: &config.TerraformConfig{Source: "test"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-a/"+config.DefaultConfigName)),
}
moduleC := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-c"),
Dependencies: []*TerraformModule{moduleA},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-a")}},
Terraform: &config.TerraformConfig{Source: "temp"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-c/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-a/" + config.DefaultConfigName, "../test/fixture-modules/module-c/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleA, moduleC}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesMultipleModulesWithDependencies(t *testing.T) {
t.Parallel()
moduleA := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-a"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{Terraform: &config.TerraformConfig{Source: "test"}},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-a/"+config.DefaultConfigName)),
}
moduleB := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-b/module-b-child"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{
RemoteState: state("bucket", "module-b-child/terraform.tfstate"),
Terraform: &config.TerraformConfig{Source: "..."},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-b/module-b-child/"+config.DefaultConfigName)),
}
moduleC := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-c"),
Dependencies: []*TerraformModule{moduleA},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-a")}},
Terraform: &config.TerraformConfig{Source: "temp"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-c/"+config.DefaultConfigName)),
}
moduleD := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-d"),
Dependencies: []*TerraformModule{moduleA, moduleB, moduleC},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-a"),
Abs("../test/fixture-modules/module-b/module-b-child"), Abs("../test/fixture-modules/module-c")}},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-d/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-a/" + config.DefaultConfigName, "../test/fixture-modules/module-b/module-b-child/" + config.DefaultConfigName, "../test/fixture-modules/module-c/" + config.DefaultConfigName, "../test/fixture-modules/module-d/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleA, moduleB, moduleC, moduleD}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesMultipleModulesWithDependenciesWithIncludes(t *testing.T) {
t.Parallel()
moduleA := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-a"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{Terraform: &config.TerraformConfig{Source: "test"}},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-a/"+config.DefaultConfigName)),
}
moduleB := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-b/module-b-child"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{
RemoteState: state("bucket", "module-b-child/terraform.tfstate"),
Terraform: &config.TerraformConfig{Source: "..."},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-b/module-b-child/"+config.DefaultConfigName)),
}
moduleE := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-e/module-e-child"),
Dependencies: []*TerraformModule{moduleA, moduleB},
Config: config.TerragruntConfig{
RemoteState: state("bucket", "module-e-child/terraform.tfstate"),
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-a"), Abs("../test/fixture-modules/module-b/module-b-child")}},
Terraform: &config.TerraformConfig{Source: "test"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-e/module-e-child/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-a/" + config.DefaultConfigName, "../test/fixture-modules/module-b/module-b-child/" + config.DefaultConfigName, "../test/fixture-modules/module-e/module-e-child/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleA, moduleB, moduleE}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesMultipleModulesWithExternalDependencies(t *testing.T) {
t.Parallel()
moduleF := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-f"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-f/"+config.DefaultConfigName)),
AssumeAlreadyApplied: true,
}
moduleG := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-g"),
Dependencies: []*TerraformModule{moduleF},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-f")}},
Terraform: &config.TerraformConfig{Source: "test"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-g/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-g/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleF, moduleG}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesMultipleModulesWithNestedExternalDependencies(t *testing.T) {
t.Parallel()
moduleH := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-h"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-h/"+config.DefaultConfigName)),
AssumeAlreadyApplied: true,
}
moduleI := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-i"),
Dependencies: []*TerraformModule{moduleH},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-h")}},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-i/"+config.DefaultConfigName)),
AssumeAlreadyApplied: true,
}
moduleJ := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-j"),
Dependencies: []*TerraformModule{moduleI},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-i")}},
Terraform: &config.TerraformConfig{Source: "temp"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-j/"+config.DefaultConfigName)),
}
moduleK := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-k"),
Dependencies: []*TerraformModule{moduleH},
Config: config.TerragruntConfig{
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-h")}},
Terraform: &config.TerraformConfig{Source: "fire"},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-k/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-j/" + config.DefaultConfigName, "../test/fixture-modules/module-k/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleH, moduleI, moduleJ, moduleK}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModulesInvalidPaths(t *testing.T) {
t.Parallel()
configPaths := []string{"../test/fixture-modules/module-missing-dependency/" + config.DefaultConfigName}
_, actualErr := ResolveTerraformModules(configPaths, mockOptions)
if assert.NotNil(t, actualErr, "Unexpected error: %v", actualErr) {
unwrapped := tgerrors.Unwrap(actualErr)
assert.True(t, os.IsNotExist(unwrapped), "Expected a file not exists error but got %v", unwrapped)
}
}
func TestResolveTerraformModulesIgnoreMissingDependenciesOutsideWorkingDir(t *testing.T) {
t.Parallel()
// ModuleM has a child but we won't go into it because it is ignored
moduleM := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-m"),
Dependencies: []*TerraformModule{},
Config: config.TerragruntConfig{
Terraform: &config.TerraformConfig{Source: "test"},
Dependencies: &config.ModuleDependencies{Paths: []string{Abs("../test/fixture-modules/module-m/module-m-child")}},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-m/"+config.DefaultConfigName)),
AssumeAlreadyApplied: true,
}
moduleNChild := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-n/module-n-child"),
Dependencies: []*TerraformModule{moduleM},
Config: config.TerragruntConfig{
Terraform: &config.TerraformConfig{Source: "test"},
Dependencies: &config.ModuleDependencies{Paths: []string{
Abs("../test/fixture-modules/module-m"),
Abs("../test/fixture-modules/module-n/module-n-child"),
}},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-n/module-n-child/"+config.DefaultConfigName)),
}
moduleN := &TerraformModule{
Path: canonical(t, "../test/fixture-modules/module-n"),
Dependencies: []*TerraformModule{moduleM, moduleNChild},
Config: config.TerragruntConfig{
Terraform: &config.TerraformConfig{Source: "test"},
Dependencies: &config.ModuleDependencies{Paths: []string{
Abs("../test/fixture-modules/module-m"),
Abs("../test/fixture-modules/module-n/module-n-child"),
}},
},
TerragruntOptions: mockOptions.Clone(canonical(t, "../test/fixture-modules/module-n/"+config.DefaultConfigName)),
}
configPaths := []string{"../test/fixture-modules/module-n/" + config.DefaultConfigName, "../test/fixture-modules/module-n/module-n-child/" + config.DefaultConfigName}
expected := []*TerraformModule{moduleNChild, moduleN, moduleM}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func TestResolveTerraformModuleNoTerraformConfig(t *testing.T) {
t.Parallel()
configPaths := []string{"../test/fixture-modules/module-l/" + config.DefaultConfigName}
expected := []*TerraformModule{}
actualModules, actualErr := ResolveTerraformModules(configPaths, mockOptions)
assert.Nil(t, actualErr, "Unexpected error: %v", actualErr)
assertModuleListsEqual(t, expected, actualModules)
}
func Abs(path string) string {
absPath, _ := filepath.Abs(path)
return absPath
}