test(acceptance): add TAP output format snapshot tests

Author: Chemaclass

tests/acceptance/bashunit_tap_output_test.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+function set_up_before_script() {
+  TEST_ENV_FILE="tests/acceptance/fixtures/.env.default"
+}
+
+function test_tap_output_passing_tests_matches_snapshot() {
+  local test_file=tests/acceptance/fixtures/test_bashunit_when_a_test_passes.sh
+
+  assert_match_snapshot "$(./bashunit --no-parallel --env "$TEST_ENV_FILE" --output tap "$test_file")"
+}
+
+function test_tap_output_failing_tests_matches_snapshot() {
+  local test_file=tests/acceptance/fixtures/test_bashunit_when_a_test_fail.sh
+
+  assert_match_snapshot "$(./bashunit --no-parallel --env "$TEST_ENV_FILE" --output tap "$test_file" 2>&1 || true)"
+}
+
+function test_tap_output_env_var_equivalent_to_flag() {
+  local test_file=tests/acceptance/fixtures/test_bashunit_when_a_test_passes.sh
+  local via_flag
+  local via_env
+
+  via_flag=$(./bashunit --no-parallel --env "$TEST_ENV_FILE" --output tap "$test_file")
+  via_env=$(BASHUNIT_OUTPUT_FORMAT=tap ./bashunit --no-parallel --env "$TEST_ENV_FILE" "$test_file")
+
+  assert_equals "$via_flag" "$via_env"
+}
+
+function test_tap_output_exits_non_zero_on_failure() {
+  local test_file=tests/acceptance/fixtures/test_bashunit_when_a_test_fail.sh
+
+  ./bashunit --no-parallel --env "$TEST_ENV_FILE" --output tap "$test_file" >/dev/null 2>&1
+  assert_general_error "$?"
+}

tests/acceptance/snapshots/bashunit_tap_output_test_sh.test_tap_output_failing_tests_matches_snapshot.snapshot

@@ -0,0 +1,13 @@
+TAP version 13
+# tests/acceptance/fixtures/test_bashunit_when_a_test_fail.sh
+ok 1 - Assert same
+ok 2 - Assert contains
+not ok 3 - Assert failing
+  ---
+  Expected '1'
+  but got  '0'
+  ...
+ok 4 - Assert greater and less than
+ok 5 - Assert empty
+
+1..5

tests/acceptance/snapshots/bashunit_tap_output_test_sh.test_tap_output_passing_tests_matches_snapshot.snapshot

@@ -0,0 +1,8 @@
+TAP version 13
+# tests/acceptance/fixtures/test_bashunit_when_a_test_passes.sh
+ok 1 - Assert same
+ok 2 - Assert contains
+ok 3 - Assert greater and less than
+ok 4 - Assert empty
+
+1..4