Vendoring bats libraries.

Signed-off-by: Chad Metcalf <chad@docker.com>

lib/bats-assert/test/refute_output.bats

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+#!/usr/bin/env bats
+
+load test_helper
+
+
+#
+# Literal matching
+#
+
+# Correctness
+@test "refute_output() <unexpected>: returns 0 if <unexpected> does not equal \`\$output'" {
+  run echo 'b'
+  run refute_output 'a'
+  assert_test_pass
+}
+
+@test "refute_output() <unexpected>: returns 1 and displays details if <unexpected> equals \`\$output'" {
+  run echo 'a'
+  run refute_output 'a'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- output equals, but it was expected to differ --
+output : a
+--
+ERR_MSG
+}
+
+@test 'refute_output(): succeeds if output is empty' {
+  run echo ''
+  run refute_output
+
+  assert_test_pass
+}
+
+@test 'refute_output(): fails if output is non-empty' {
+  run echo 'a'
+  run refute_output
+
+  assert_test_fail <<'ERR_MSG'
+
+-- output non-empty, but expected no output --
+output : a
+--
+ERR_MSG
+}
+
+@test 'refute_output() - : reads <unexpected> from STDIN' {
+  run echo '-'
+  run refute_output - <<INPUT
+b
+INPUT
+
+  assert_test_pass
+}
+
+@test 'refute_output() --stdin : reads <unexpected> from STDIN' {
+  run echo '--stdin'
+  run refute_output --stdin <<INPUT
+b
+INPUT
+
+  assert_test_pass
+}
+
+# Output formatting
+@test 'refute_output() <unexpected>: displays details in multi-line format if necessary' {
+  run printf 'a 0\na 1'
+  run refute_output $'a 0\na 1'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- output equals, but it was expected to differ --
+output (2 lines):
+  a 0
+  a 1
+--
+ERR_MSG
+}
+
+# Options
+@test 'refute_output() <unexpected>: performs literal matching by default' {
+  run echo 'a'
+  run refute_output '*'
+  assert_test_pass
+}
+
+
+#
+# Partial matching: `-p' and `--partial'
+#
+
+# Options
+@test 'refute_output() -p <partial>: enables partial matching' {
+  run echo 'abc'
+  run refute_output -p 'd'
+  assert_test_pass
+}
+
+@test 'refute_output() --partial <partial>: enables partial matching' {
+  run echo 'abc'
+  run refute_output --partial 'd'
+  assert_test_pass
+}
+
+# Correctness
+@test "refute_output() --partial <partial>: returns 0 if <partial> is not a substring in \`\$output'" {
+  run printf 'a\nb\nc'
+  run refute_output --partial 'd'
+  assert_test_pass
+}
+
+@test "refute_output() --partial <partial>: returns 1 and displays details if <partial> is a substring in \`\$output'" {
+  run echo 'a'
+  run refute_output --partial 'a'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- output should not contain substring --
+substring : a
+output    : a
+--
+ERR_MSG
+}
+
+# Output formatting
+@test 'refute_output() --partial <partial>: displays details in multi-line format if necessary' {
+  run printf 'a 0\na 1'
+  run refute_output --partial 'a'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- output should not contain substring --
+substring (1 lines):
+  a
+output (2 lines):
+  a 0
+  a 1
+--
+ERR_MSG
+}
+
+
+#
+# Regular expression matching: `-e' and `--regexp'
+#
+
+# Options
+@test 'refute_output() -e <regexp>: enables regular expression matching' {
+  run echo 'abc'
+  run refute_output -e '^d'
+  assert_test_pass
+}
+
+@test 'refute_output() --regexp <regexp>: enables regular expression matching' {
+  run echo 'abc'
+  run refute_output --regexp '^d'
+  assert_test_pass
+}
+
+# Correctness
+@test "refute_output() --regexp <regexp>: returns 0 if <regexp> does not match \`\$output'" {
+  run printf 'a\nb\nc'
+  run refute_output --regexp '.*d.*'
+  assert_test_pass
+}
+
+@test "refute_output() --regexp <regexp>: returns 1 and displays details if <regexp> matches \`\$output'" {
+  run echo 'a'
+  run refute_output --regexp '.*a.*'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- regular expression should not match output --
+regexp : .*a.*
+output : a
+--
+ERR_MSG
+}
+
+# Output formatting
+@test 'refute_output() --regexp <regexp>: displays details in multi-line format if necessary' {
+  run printf 'a 0\na 1'
+  run refute_output --regexp '.*a.*'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- regular expression should not match output --
+regexp (1 lines):
+  .*a.*
+output (2 lines):
+  a 0
+  a 1
+--
+ERR_MSG
+}
+
+# Error handling
+@test 'refute_output() --regexp <regexp>: returns 1 and displays an error message if <regexp> is not a valid extended regular expression' {
+  run refute_output --regexp '[.*'
+
+  assert_test_fail <<'ERR_MSG'
+
+-- ERROR: refute_output --
+Invalid extended regular expression: `[.*'
+--
+ERR_MSG
+}
+
+
+#
+# Common
+#
+
+@test "refute_output(): \`--partial' and \`--regexp' are mutually exclusive" {
+  run refute_output --partial --regexp
+
+  assert_test_fail <<'ERR_MSG'
+
+-- ERROR: refute_output --
+`--partial' and `--regexp' are mutually exclusive
+--
+ERR_MSG
+}
+
+@test "refute_output(): \`--' stops parsing options" {
+  run echo '--'
+  run refute_output -- '-p'
+  assert_test_pass
+}