terraform/configs/parser_test.go

100 lines
2.4 KiB
Go

package configs
import (
"os"
"path"
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
"github.com/hashicorp/hcl2/hcl"
"github.com/spf13/afero"
)
// testParser returns a parser that reads files from the given map, which
// is from paths to file contents.
//
// Since this function uses only in-memory objects, it should never fail.
// If any errors are encountered in practice, this function will panic.
func testParser(files map[string]string) *Parser {
fs := afero.Afero{Fs: afero.NewMemMapFs()}
for filePath, contents := range files {
dirPath := path.Dir(filePath)
err := fs.MkdirAll(dirPath, os.ModePerm)
if err != nil {
panic(err)
}
err = fs.WriteFile(filePath, []byte(contents), os.ModePerm)
if err != nil {
panic(err)
}
}
return NewParser(fs)
}
// testModuleFromFile reads a single file, wraps it in a module, and returns
// it. This is a helper for use in unit tests.
func testModuleFromFile(filename string) (*Module, hcl.Diagnostics) {
parser := NewParser(nil)
f, diags := parser.LoadConfigFile(filename)
mod, modDiags := NewModule([]*File{f}, nil)
diags = append(diags, modDiags...)
return mod, modDiags
}
// testModuleFromDir reads configuration from the given directory path as
// a module and returns it. This is a helper for use in unit tests.
func testModuleFromDir(path string) (*Module, hcl.Diagnostics) {
parser := NewParser(nil)
return parser.LoadConfigDir(path)
}
func assertNoDiagnostics(t *testing.T, diags hcl.Diagnostics) bool {
t.Helper()
return assertDiagnosticCount(t, diags, 0)
}
func assertDiagnosticCount(t *testing.T, diags hcl.Diagnostics, want int) bool {
t.Helper()
if len(diags) != 0 {
t.Errorf("wrong number of diagnostics %d; want %d", len(diags), want)
for _, diag := range diags {
t.Logf("- %s", diag)
}
return true
}
return false
}
func assertDiagnosticSummary(t *testing.T, diags hcl.Diagnostics, want string) bool {
t.Helper()
for _, diag := range diags {
if diag.Summary == want {
return false
}
}
t.Errorf("missing diagnostic summary %q", want)
for _, diag := range diags {
t.Logf("- %s", diag)
}
return true
}
func assertResultDeepEqual(t *testing.T, got, want interface{}) bool {
t.Helper()
if !reflect.DeepEqual(got, want) {
t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(got), spew.Sdump(want))
return true
}
return false
}
func stringPtr(s string) *string {
return &s
}