This is the v1 version, had the v2 before.

command_test.go

@@ -0,0 +1,98 @@
+package imap_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/emersion/go-imap"
+)
+
+func TestCommand_Command(t *testing.T) {
+	cmd := &imap.Command{
+		Tag:  "A001",
+		Name: "NOOP",
+	}
+
+	if cmd.Command() != cmd {
+		t.Error("Command should return itself")
+	}
+}
+
+func TestCommand_WriteTo_NoArgs(t *testing.T) {
+	var b bytes.Buffer
+	w := imap.NewWriter(&b)
+
+	cmd := &imap.Command{
+		Tag:  "A001",
+		Name: "NOOP",
+	}
+
+	if err := cmd.WriteTo(w); err != nil {
+		t.Fatal(err)
+	}
+	if b.String() != "A001 NOOP\r\n" {
+		t.Fatal("Not the expected command: ", b.String())
+	}
+}
+
+func TestCommand_WriteTo_WithArgs(t *testing.T) {
+	var b bytes.Buffer
+	w := imap.NewWriter(&b)
+
+	cmd := &imap.Command{
+		Tag:       "A002",
+		Name:      "LOGIN",
+		Arguments: []interface{}{"username", "password"},
+	}
+
+	if err := cmd.WriteTo(w); err != nil {
+		t.Fatal(err)
+	}
+	if b.String() != "A002 LOGIN \"username\" \"password\"\r\n" {
+		t.Fatal("Not the expected command: ", b.String())
+	}
+}
+
+func TestCommand_Parse_NoArgs(t *testing.T) {
+	fields := []interface{}{"a", "NOOP"}
+
+	cmd := &imap.Command{}
+
+	if err := cmd.Parse(fields); err != nil {
+		t.Fatal(err)
+	}
+	if cmd.Tag != "a" {
+		t.Error("Invalid tag:", cmd.Tag)
+	}
+	if cmd.Name != "NOOP" {
+		t.Error("Invalid name:", cmd.Name)
+	}
+	if len(cmd.Arguments) != 0 {
+		t.Error("Invalid arguments:", cmd.Arguments)
+	}
+}
+
+func TestCommand_Parse_WithArgs(t *testing.T) {
+	fields := []interface{}{"a", "LOGIN", "username", "password"}
+
+	cmd := &imap.Command{}
+
+	if err := cmd.Parse(fields); err != nil {
+		t.Fatal(err)
+	}
+	if cmd.Tag != "a" {
+		t.Error("Invalid tag:", cmd.Tag)
+	}
+	if cmd.Name != "LOGIN" {
+		t.Error("Invalid name:", cmd.Name)
+	}
+	if len(cmd.Arguments) != 2 {
+		t.Error("Invalid arguments:", cmd.Arguments)
+	}
+	if username, ok := cmd.Arguments[0].(string); !ok || username != "username" {
+		t.Error("Invalid first argument:", cmd.Arguments[0])
+	}
+	if password, ok := cmd.Arguments[1].(string); !ok || password != "password" {
+		t.Error("Invalid second argument:", cmd.Arguments[1])
+	}
+}