Initial commit

checker/interactive_test.go

@@ -0,0 +1,128 @@
+//go:build standalone
+
+package checker
+
+import (
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+)
+
+func formRequest(values url.Values) *httptest.ResponseRecorder {
+	_ = values
+	return httptest.NewRecorder()
+}
+
+func TestRenderForm_HasAllFields(t *testing.T) {
+	fields := (&smtpProvider{}).RenderForm()
+	got := map[string]bool{}
+	for _, f := range fields {
+		got[f.Id] = true
+	}
+	for _, want := range []string{"domain", "helo_name", "timeout", "test_null_sender", "test_postmaster", "test_open_relay", "test_probe_address"} {
+		if !got[want] {
+			t.Errorf("missing field %q", want)
+		}
+	}
+}
+
+func TestParseForm_Defaults(t *testing.T) {
+	v := url.Values{"domain": {"example.com"}}
+	r := httptest.NewRequest("POST", "/", strings.NewReader(v.Encode()))
+	r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	opts, err := (&smtpProvider{}).ParseForm(r)
+	if err != nil {
+		t.Fatalf("ParseForm: %v", err)
+	}
+	if opts["domain"] != "example.com" {
+		t.Errorf("domain: %v", opts["domain"])
+	}
+	// Submitted form with no checkbox checks → false (per parseBool sentinel).
+	if opts["test_null_sender"].(bool) {
+		t.Error("expected test_null_sender=false on submitted form without checkbox")
+	}
+}
+
+func TestParseForm_TrimsAndStripsTrailingDot(t *testing.T) {
+	v := url.Values{"domain": {"  example.com.  "}}
+	r := httptest.NewRequest("POST", "/", strings.NewReader(v.Encode()))
+	r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	opts, err := (&smtpProvider{}).ParseForm(r)
+	if err != nil {
+		t.Fatalf("ParseForm: %v", err)
+	}
+	if opts["domain"] != "example.com" {
+		t.Errorf("expected normalized domain, got %v", opts["domain"])
+	}
+}
+
+func TestParseForm_RejectsEmptyDomain(t *testing.T) {
+	r := httptest.NewRequest("POST", "/", strings.NewReader(""))
+	r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	if _, err := (&smtpProvider{}).ParseForm(r); err == nil {
+		t.Fatal("expected error on empty domain")
+	}
+}
+
+func TestParseForm_RejectsNonNumericTimeout(t *testing.T) {
+	v := url.Values{"domain": {"example.com"}, "timeout": {"banana"}}
+	r := httptest.NewRequest("POST", "/", strings.NewReader(v.Encode()))
+	r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	if _, err := (&smtpProvider{}).ParseForm(r); err == nil {
+		t.Fatal("expected error on non-numeric timeout")
+	}
+}
+
+func TestParseForm_PassesThroughCheckboxes(t *testing.T) {
+	v := url.Values{
+		"domain":             {"example.com"},
+		"timeout":            {"5"},
+		"helo_name":          {"mx-checker.example.com"},
+		"test_null_sender":   {"on"},
+		"test_postmaster":    {"true"},
+		"test_open_relay":    {"yes"},
+		"test_probe_address": {"postmaster@example.org"},
+	}
+	r := httptest.NewRequest("POST", "/", strings.NewReader(v.Encode()))
+	r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	opts, err := (&smtpProvider{}).ParseForm(r)
+	if err != nil {
+		t.Fatalf("ParseForm: %v", err)
+	}
+	if opts["timeout"].(float64) != 5 {
+		t.Errorf("timeout: %v", opts["timeout"])
+	}
+	if !opts["test_null_sender"].(bool) || !opts["test_postmaster"].(bool) || !opts["test_open_relay"].(bool) {
+		t.Errorf("checkboxes: %+v", opts)
+	}
+	if opts["helo_name"] != "mx-checker.example.com" {
+		t.Errorf("helo_name: %v", opts["helo_name"])
+	}
+	if opts["test_probe_address"] != "postmaster@example.org" {
+		t.Errorf("probe addr: %v", opts["test_probe_address"])
+	}
+}
+
+func TestParseBool_DefaultWhenNotSubmitted(t *testing.T) {
+	r := httptest.NewRequest("GET", "/?", nil)
+	if err := r.ParseForm(); err != nil {
+		t.Fatalf("ParseForm: %v", err)
+	}
+	if !parseBool(r, "feature", true) {
+		t.Error("missing key on non-submitted form should yield default")
+	}
+}
+
+func TestParseBool_FalsyValues(t *testing.T) {
+	cases := []string{"0", "false", "off", "no", "FALSE"}
+	for _, c := range cases {
+		r := httptest.NewRequest("GET", "/?domain=x&feature="+c, nil)
+		if err := r.ParseForm(); err != nil {
+			t.Fatalf("parse: %v", err)
+		}
+		if parseBool(r, "feature", true) {
+			t.Errorf("value %q should be false", c)
+		}
+	}
+}