From 2848b6ffe23a20067fd09fc394e2420a68d72813 Mon Sep 17 00:00:00 2001
From: William Melody <hi@williammelody.com>
Date: Mon, 7 Feb 2022 13:54:54 -0800
Subject: [PATCH] Add `helpers-string-is-url.bats`.

---
 test/helpers-string-is-url.bats | 95 +++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 test/helpers-string-is-url.bats

diff --git a/test/helpers-string-is-url.bats b/test/helpers-string-is-url.bats
new file mode 100644
index 000000000..eb3f67426
--- /dev/null
+++ b/test/helpers-string-is-url.bats
@@ -0,0 +1,95 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "'_string_is_url()' matches URLs." {
+  run "${_NB}" helpers string_is_url "file:///home/example"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 0 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "ftp://example.com"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 0 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "http://example.com"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 0 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "https://example.com"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 0 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "sftp://example.com"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 0 ]]
+  [[  -z  "${output}"       ]]
+}
+
+@test "'_string_is_url()' doesn't match non-URLs." {
+  run "${_NB}" helpers string_is_url "Not a URL."
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 1 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "not-a-url"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 1 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "notaurl:"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 1 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "notebook:example"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 1 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "notebook:123"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 1 ]]
+  [[  -z  "${output}"       ]]
+
+  run "${_NB}" helpers string_is_url "notebook:example/123"
+
+  printf "\${status}: '%s'\\n" "${status}"
+  printf "\${output}: '%s'\\n" "${output}"
+
+  [[      "${status}" -eq 1 ]]
+  [[  -z  "${output}"       ]]
+}