feat: add stackit service account creation to tf provider (#708)

* feat: implement service account resource/datasource

stackit/internal/services/serviceaccount/account/resource_test.go

@@ -0,0 +1,161 @@
+package account
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+	"github.com/stackitcloud/stackit-sdk-go/services/serviceaccount"
+)
+
+func TestToCreatePayload(t *testing.T) {
+	tests := []struct {
+		description string
+		input       *Model
+		expected    *serviceaccount.CreateServiceAccountPayload
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&Model{},
+			&serviceaccount.CreateServiceAccountPayload{
+				Name: nil,
+			},
+			true,
+		},
+		{
+			"default_values",
+			&Model{
+				Name: types.StringValue("example-name1"),
+			},
+			&serviceaccount.CreateServiceAccountPayload{
+				Name: utils.Ptr("example-name1"),
+			},
+			true,
+		},
+		{
+			"nil_model",
+			nil,
+			nil,
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.description, func(t *testing.T) {
+			output, err := toCreatePayload(tt.input)
+			if !tt.isValid && err == nil {
+				t.Fatalf("Should have failed")
+			}
+			if tt.isValid && err != nil {
+				t.Fatalf("Should not have failed: %v", err)
+			}
+			if tt.isValid {
+				diff := cmp.Diff(output, tt.expected)
+				if diff != "" {
+					t.Fatalf("Data does not match: %s", diff)
+				}
+			}
+		})
+	}
+}
+
+func TestMapFields(t *testing.T) {
+	tests := []struct {
+		description string
+		input       *serviceaccount.ServiceAccount
+		expected    Model
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&serviceaccount.ServiceAccount{
+				ProjectId: utils.Ptr("pid"),
+				Email:     utils.Ptr("mail"),
+			},
+			Model{
+				Id:        types.StringValue("pid,mail"),
+				ProjectId: types.StringValue("pid"),
+				Email:     types.StringValue("mail"),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			Model{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&serviceaccount.ServiceAccount{},
+			Model{},
+			false,
+		},
+		{
+			"no_id",
+			&serviceaccount.ServiceAccount{
+				ProjectId: utils.Ptr("pid"),
+				Internal:  utils.Ptr(true),
+			},
+			Model{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.description, func(t *testing.T) {
+			state := &Model{
+				ProjectId: tt.expected.ProjectId,
+			}
+			err := mapFields(tt.input, state)
+			if !tt.isValid && err == nil {
+				t.Fatalf("Should have failed")
+			}
+			if tt.isValid && err != nil {
+				t.Fatalf("Should not have failed: %v", err)
+			}
+			if tt.isValid {
+				diff := cmp.Diff(state, &tt.expected)
+				if diff != "" {
+					t.Fatalf("Data does not match: %s", diff)
+				}
+			}
+		})
+	}
+}
+
+func TestParseNameFromEmail(t *testing.T) {
+	testCases := []struct {
+		email       string
+		expected    string
+		shouldError bool
+	}{
+		{"test03-8565oq1@sa.stackit.cloud", "test03", false},
+		{"import-test-vshp191@sa.stackit.cloud", "import-test", false},
+		{"sa-test-01-acfj2s1@sa.stackit.cloud", "sa-test-01", false},
+		{"invalid-email@sa.stackit.cloud", "", true},
+		{"missingcode-@sa.stackit.cloud", "", true},
+		{"nohyphen8565oq1@sa.stackit.cloud", "", true},
+		{"eu01-qnmbwo1@unknown.stackit.cloud", "", true},
+		{"eu01-qnmbwo1@ske.stackit.com", "", true},
+		{"someotherformat@sa.stackit.cloud", "", true},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.email, func(t *testing.T) {
+			name, err := parseNameFromEmail(tc.email)
+			if tc.shouldError {
+				if err == nil {
+					t.Errorf("expected an error for email: %s, but got none", tc.email)
+				}
+			} else {
+				if err != nil {
+					t.Errorf("did not expect an error for email: %s, but got: %v", tc.email, err)
+				}
+				if name != tc.expected {
+					t.Errorf("expected name: %s, got: %s for email: %s", tc.expected, name, tc.email)
+				}
+			}
+		})
+	}
+}