Test stubs for Story #7 - YAML Credentials File Support

pkg/asset/installconfig/vsphere/credentialsfile_test.go

@@ -0,0 +1,99 @@
+package vsphere
+
+import (
+	"testing"
+)
+
+// TestCredentialsFileReading_SingleVCenter tests reading YAML credentials file with single vCenter
+func TestCredentialsFileReading_SingleVCenter(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create test credentials file with single vCenter
+	// TODO: Set permissions to 0600
+	// TODO: Parse credentials file
+	// TODO: Verify all 5 component accounts detected
+	// TODO: Verify credentials match expected values
+}
+
+// TestCredentialsFileReading_MultiVCenter tests reading YAML credentials file with multiple vCenters
+func TestCredentialsFileReading_MultiVCenter(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create test credentials file with 2 vCenters
+	// TODO: Set permissions to 0600
+	// TODO: Parse credentials file
+	// TODO: Verify vCenter-keyed credentials
+	// TODO: Verify multi-vCenter secret format
+}
+
+// TestCredentialsFilePermissions_Reject0644 tests rejection of file with 0644 permissions
+func TestCredentialsFilePermissions_Reject0644(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create test credentials file
+	// TODO: Set permissions to 0644
+	// TODO: Attempt to read credentials file
+	// TODO: Verify error: "Credentials file ~/.vsphere/credentials has permissions 0644, must be 0600"
+}
+
+// TestCredentialsFilePermissions_Reject0777 tests rejection of file with 0777 permissions
+func TestCredentialsFilePermissions_Reject0777(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create test credentials file
+	// TODO: Set permissions to 0777
+	// TODO: Attempt to read credentials file
+	// TODO: Verify error message contains "must be 0600"
+}
+
+// TestCredentialsPrecedence_InstallConfigOverFile tests install-config.yaml precedence
+func TestCredentialsPrecedence_InstallConfigOverFile(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create credentials file with "file-" prefixed usernames
+	// TODO: Create install-config with "config-" prefixed usernames
+	// TODO: Parse both sources
+	// TODO: Verify install-config credentials are used (not file credentials)
+}
+
+// TestCredentialsPrecedence_PartialInstallConfigFallbackToFile tests partial precedence
+func TestCredentialsPrecedence_PartialInstallConfigFallbackToFile(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create credentials file with all component credentials
+	// TODO: Create install-config with only installer credentials
+	// TODO: Parse both sources
+	// TODO: Verify installer credentials from install-config
+	// TODO: Verify other component credentials from file
+}
+
+// TestCredentialsFileFallback_MissingFile tests graceful handling when file doesn't exist
+func TestCredentialsFileFallback_MissingFile(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Ensure credentials file does NOT exist
+	// TODO: Provide legacy install-config credentials
+	// TODO: Parse credentials (should not error)
+	// TODO: Verify fallback to legacy passthrough mode
+}
+
+// TestCredentialsFileParsing_MalformedYAML tests handling of invalid YAML syntax
+func TestCredentialsFileParsing_MalformedYAML(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create credentials file with malformed YAML
+	// TODO: Attempt to parse credentials file
+	// TODO: Verify YAML parsing error returned
+	// TODO: Verify error message indicates file path and syntax issue
+}
+
+// TestCredentialsFileParsing_EmptyFile tests handling of empty credentials file
+func TestCredentialsFileParsing_EmptyFile(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create empty credentials file
+	// TODO: Set permissions to 0600
+	// TODO: Parse credentials file
+	// TODO: Verify fallback to install-config credentials
+}
+
+// TestCredentialsFilePartialComponents tests file with some but not all components
+func TestCredentialsFilePartialComponents(t *testing.T) {
+	t.Skip("Implementation pending - Story #7")
+	// TODO: Create credentials file with only installer and machine-api
+	// TODO: Provide legacy install-config credentials
+	// TODO: Parse both sources
+	// TODO: Verify installer and machine-api from file
+	// TODO: Verify other components fall back to legacy credentials
+}