refactor!: Renamed nushell-completion command to completion nushell.

cmd_completion_test.odin

@@ -0,0 +1,78 @@
+#+test
+package main
+
+import "core:fmt"
+import "core:strings"
+import "core:testing"
+
+@(test)
+test_nushell_completion_nonempty :: proc(t: ^testing.T) {
+	script := generate_nushell_completion()
+	testing.expect(t, len(script) > 0, "completion script should not be empty")
+}
+
+@(test)
+test_nushell_completion_contains_commands :: proc(t: ^testing.T) {
+	script := generate_nushell_completion()
+	expected := []string{
+		"tracked-paths",
+		"untracked-paths",
+		"envr backup",
+		"envr check",
+		"envr edit-config",
+		"envr init",
+		"envr list",
+		"envr remove",
+		"envr restore",
+		"envr scan",
+		"envr sync",
+		"envr version",
+		"envr completion",
+	}
+	for ext in expected {
+		testing.expect(
+			t,
+			strings.contains(script, ext),
+			fmt.tprintf("expected script to contain %q", ext),
+		)
+	}
+}
+
+@(test)
+test_nushell_completion_contains_flags :: proc(t: ^testing.T) {
+	script := generate_nushell_completion()
+	expected_flags := []string{
+		"--help(-h)",
+		"--config-file(-c)",
+		"--color",
+		"--force(-f)",
+		"--output(-o)",
+	}
+	for flag in expected_flags {
+		testing.expect(
+			t,
+			strings.contains(script, flag),
+			fmt.tprintf("expected script to contain %q", flag),
+		)
+	}
+}
+
+@(test)
+test_nushell_completion_contains_aliases :: proc(t: ^testing.T) {
+	script := generate_nushell_completion()
+	testing.expect(
+		t,
+		strings.contains(script, "envr add"),
+		"expected script to contain 'envr add' alias",
+	)
+}
+
+@(test)
+test_nushell_completion_no_help_command :: proc(t: ^testing.T) {
+	script := generate_nushell_completion()
+	testing.expect(
+		t,
+		!strings.contains(script, "envr help"),
+		"script should not contain 'envr help' (not a real command)",
+	)
+}