From 42b02c47be9b285099203e44a2570636d4ca6f03 Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukas@labunix.xyz>
Date: Fri, 11 Sep 2026 14:47:10 +0200
Subject: krino: foundation — sexp reader, config language, init/new/check
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---
 cmd/krino/main_test.go | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 cmd/krino/main_test.go

(limited to 'cmd/krino/main_test.go')

diff --git a/cmd/krino/main_test.go b/cmd/krino/main_test.go
new file mode 100644
index 0000000..1caab6b
--- /dev/null
+++ b/cmd/krino/main_test.go
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package main
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"krino/internal/config"
+)
+
+// runCLI drives run() and returns its exit code and output.
+func runCLI(t *testing.T, args ...string) (int, string, string) {
+	t.Helper()
+	var out, errb bytes.Buffer
+	code := run(args, &out, &errb)
+	return code, out.String(), errb.String()
+}
+
+func TestVersion(t *testing.T) {
+	code, out, _ := runCLI(t, "--version")
+	if code != 0 || out != "krino dev\n" {
+		t.Fatalf("got %d %q, want 0 %q", code, out, "krino dev\n")
+	}
+}
+
+func TestHelp(t *testing.T) {
+	for _, arg := range []string{"-h", "--help"} {
+		code, out, _ := runCLI(t, arg)
+		if code != 0 || !strings.HasPrefix(out, "usage: krino") {
+			t.Errorf("%s: got %d %q", arg, code, out)
+		}
+	}
+}
+
+func TestBadFlag(t *testing.T) {
+	code, _, errOut := runCLI(t, "--bogus")
+	if code != 2 || !strings.Contains(errOut, "flag provided but not defined: -bogus") {
+		t.Fatalf("got %d %q", code, errOut)
+	}
+}
+
+// TestCommandsAreReserved is item E: every subcommand name must also be a
+// reserved directory name, so a directory can never shadow a command.
+func TestCommandsAreReserved(t *testing.T) {
+	for name := range commands {
+		if !config.Reserved[name] {
+			t.Errorf("command %q is not in config.Reserved", name)
+		}
+	}
+}
+
+func TestSortNotYet(t *testing.T) {
+	code, _, errOut := runCLI(t)
+	if code != 2 || !strings.Contains(errOut, "not implemented yet") {
+		t.Fatalf("got %d %q", code, errOut)
+	}
+}
-- 
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