tests

tests/bats/bats-assert/test/assert_regex.bats

@@ -0,0 +1,87 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+#
+# Literal matching
+#
+
+# Correctness
+@test "assert_regex() <value> <pattern>: succeeds if a <value> substring matches extended regular expression <pattern>" {
+  run assert_regex 'abc' '^[a-z]b[c-z]+'
+  assert_test_pass
+}
+
+@test "assert_regex() <value> <pattern>: fails if no <value> substring matches extended regular expression <pattern>" {
+  run assert_regex 'bcd' '^[a-z]b[c-z]+'
+  assert_test_fail <<'ERR_MSG'
+
+-- value does not match regular expression --
+value    : bcd
+pattern  : ^[a-z]b[c-z]+
+case     : sensitive
+--
+ERR_MSG
+}
+
+@test "assert_regex() <value> <pattern>: provides results in BASH_REMATCH" {
+  unset -v BASH_REMATCH
+
+  assert_regex 'abcd' 'b.d'
+  declare -p BASH_REMATCH
+  [ "${BASH_REMATCH[0]}" = 'bcd' ]
+}
+
+@test "assert_regex() <value> <pattern>: matches case-insensitively when 'nocasematch' is set" {
+  shopt -s nocasematch
+
+  assert_regex 'aBc' 'ABC'
+}
+
+@test "assert_regex() <value> <pattern>: outputs multi-line <value> nicely when it fails" {
+  run assert_regex $'bcd\n123' '^[a-z]b[c-z]+'
+  assert_test_fail <<'ERR_MSG'
+
+-- value does not match regular expression --
+value (2 lines):
+  bcd
+  123
+pattern (1 lines):
+  ^[a-z]b[c-z]+
+case (1 lines):
+  sensitive
+--
+ERR_MSG
+
+  shopt -s nocasematch
+  run assert_regex $'bcd\n123' '^[a-z]b[c-z]+'
+  assert_test_fail <<'ERR_MSG'
+
+-- value does not match regular expression --
+value (2 lines):
+  bcd
+  123
+pattern (1 lines):
+  ^[a-z]b[c-z]+
+case (1 lines):
+  insensitive
+--
+ERR_MSG
+}
+
+# Error handling
+@test "assert_regex() <value> <pattern>: returns 1 and displays an error message if <pattern> is not a valid extended regular expression" {
+  run assert_regex value '[.*'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- ERROR: assert_regex --
+Invalid extended regular expression: `[.*'
+--
+ERR_MSG
+}
+
+@test "assert_regex allows regex matching empty string (see #53)" {
+  run assert_regex any_value '.*'
+  assert_success
+}