Initial commit

Assisted-by: GLM 5.3

internal/identifiers/identifiers_test.go

@@ -0,0 +1,84 @@
+// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
+// SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0
+
+package identifiers
+
+import "testing"
+
+func TestNormalizeDOI(t *testing.T) {
+	cases := map[string]string{
+		"10.5281/zenodo.1234567":                  "10.5281/zenodo.1234567",
+		" https://doi.org/10.5281/zenodo.1234567": "10.5281/zenodo.1234567",
+		"DOI: 10.1234/abcd":                       "10.1234/abcd",
+		"http://dx.doi.org/10.1/x":                "http://dx.doi.org/10.1/x", // unknown host stays as it is
+		"":                                        "",
+	}
+	for in, want := range cases {
+		if got := NormalizeDOI(in); got != want {
+			t.Errorf("NormalizeDOI(%q) = %q, want %q", in, got, want)
+		}
+	}
+}
+
+func TestValidDOI(t *testing.T) {
+	for _, ok := range []string{
+		"10.1234/x", "10.5281/zenodo.1234567", "https://doi.org/10.1000/18.2011.01",
+		"10.1109/5.77101",
+	} {
+		if !ValidDOI(ok) {
+			t.Errorf("ValidDOI(%q) = false, want true", ok)
+		}
+	}
+	for _, bad := range []string{
+		"", "10.123/x", // needle too short
+		"10./x",                  // empty needle
+		"20.1234/x",              // not the 10. prefix
+		"10.1234",                // no suffix
+		"10.1234/ spaced suffix", // whitespace in the suffix
+		"doi:10.1234/",           // empty suffix after the slash
+	} {
+		if ValidDOI(bad) {
+			t.Errorf("ValidDOI(%q) = true, want false", bad)
+		}
+	}
+}
+
+func TestValidORCID(t *testing.T) {
+	// A real public iD, and its computed X-check sibling.
+	for _, ok := range []string{
+		"0000-0002-1825-0097",
+		"0000-0000-0000-001X",
+		"0000-0000-0000-001x", // lower-case x is upper-cased first
+		" 0000-0002-1825-0097 ",
+	} {
+		if !ValidORCID(ok) {
+			t.Errorf("ValidORCID(%q) = false, want true", ok)
+		}
+	}
+	for _, bad := range []string{
+		"",
+		"0000-0002-1825-0098", // wrong check digit
+		"0000-0002-1825-009x", // right length, wrong check digit
+		"0000-0002-1825-009",  // too short
+		"0000000218250097",    // dashes missing
+	} {
+		if ValidORCID(bad) {
+			t.Errorf("ValidORCID(%q) = true, want false", bad)
+		}
+	}
+}
+
+func TestURLs(t *testing.T) {
+	if got := DOIURL("https://doi.org/10.1234/x"); got != "https://doi.org/10.1234/x" {
+		t.Errorf("DOIURL = %q", got)
+	}
+	if got := DOIURL("nonsense"); got != "" {
+		t.Errorf("DOIURL(nonsense) = %q, want empty", got)
+	}
+	if got := ORCIDURL("0000-0002-1825-0097"); got != "https://orcid.org/0000-0002-1825-0097" {
+		t.Errorf("ORCIDURL = %q", got)
+	}
+	if got := ORCIDURL("0000-0002-1825-0098"); got != "" {
+		t.Errorf("ORCIDURL(bad checksum) = %q, want empty", got)
+	}
+}