Add e2e tests

e2e/validation_test.go

@@ -0,0 +1,168 @@
+package e2e
+
+import (
+	"testing"
+)
+
+func TestValidation_MissingURL(t *testing.T) {
+	t.Parallel()
+	res := run("-r", "1")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "URL")
+	assertContains(t, res.Stderr, "required")
+}
+
+func TestValidation_InvalidURLScheme(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "ftp://example.com", "-r", "1")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "URL")
+	assertContains(t, res.Stderr, "scheme")
+}
+
+func TestValidation_URLWithoutHost(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://", "-r", "1")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "URL")
+}
+
+func TestValidation_NoRequestsOrDuration(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "request count or duration")
+}
+
+func TestValidation_ZeroRequests(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "0")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "Requests")
+}
+
+func TestValidation_ZeroDuration(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-d", "0s")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "Duration")
+}
+
+func TestValidation_ZeroRequestsAndZeroDuration(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "0", "-d", "0s")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_ConcurrencyZero(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1", "-c", "0")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "concurrency")
+}
+
+func TestValidation_TimeoutZero(t *testing.T) {
+	t.Parallel()
+	// Timeout of 0 is invalid (must be > 0)
+	res := run("-U", "http://example.com", "-r", "1", "-T", "0s")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "timeout")
+}
+
+func TestValidation_InvalidOutputFormat(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1", "-o", "xml")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "Output")
+}
+
+func TestValidation_InvalidProxyScheme(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1", "-X", "ftp://proxy.example.com:8080")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "proxy")
+}
+
+func TestValidation_EmptyLuaScript(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1", "-lua", "")
+	assertExitCode(t, res, 1)
+}
+
+func TestValidation_EmptyJsScript(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1", "-js", "")
+	assertExitCode(t, res, 1)
+}
+
+func TestValidation_LuaScriptMissingTransform(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1",
+		"-lua", `print("hello")`)
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_JsScriptMissingTransform(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1",
+		"-js", `console.log("hello")`)
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_LuaScriptSyntaxError(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1",
+		"-lua", `function transform(req invalid syntax`)
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_JsScriptSyntaxError(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1",
+		"-js", `function transform(req { invalid`)
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_ScriptEmptyFileRef(t *testing.T) {
+	t.Parallel()
+	// "@" with nothing after it
+	res := run("-U", "http://example.com", "-r", "1", "-lua", "@")
+	assertExitCode(t, res, 1)
+}
+
+func TestValidation_ScriptNonexistentFile(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1",
+		"-lua", "@/nonexistent/path/script.lua")
+	assertExitCode(t, res, 1)
+}
+
+func TestValidation_InvalidTemplateInHeader(t *testing.T) {
+	t.Parallel()
+	res := run("-U", "http://example.com", "-r", "1",
+		"-H", "X-Test: {{ invalid_func }}")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_InvalidTemplateInBody(t *testing.T) {
+	t.Parallel()
+	// Use a template with invalid syntax (unclosed action)
+	res := run("-U", "http://example.com", "-r", "1",
+		"-B", "{{ invalid_func_xyz }}")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "VALIDATION")
+}
+
+func TestValidation_MultipleErrors(t *testing.T) {
+	t.Parallel()
+	// No URL, no requests/duration — should report multiple validation errors
+	res := run("-c", "1")
+	assertExitCode(t, res, 1)
+	assertContains(t, res.Stderr, "URL")
+}