Solved armstrong-numbers in Bash

bash/armstrong-numbers/armstrong_numbers.bats

@@ -0,0 +1,67 @@
+#!/usr/bin/env bats
+load bats-extra
+
+# local version: 1.1.0.0
+
+@test 'Zero is Armstrong numbers' {
+  # [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 0
+  assert_success
+  assert_output "true"
+}
+
+@test 'Single digits are Armstrong numbers' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 5
+  assert_success
+  assert_output "true"
+}
+
+@test 'There are no two digit Armstrong numbers' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 10
+  assert_success
+  assert_output "false"
+}
+
+@test 'A three digit number that is an Armstrong number' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 153
+  assert_success
+  assert_output "true"
+}
+
+@test 'A three digit number that is not an Armstrong number' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 100
+  assert_success
+  assert_output "false"
+}
+
+@test 'A four digit number that is an Armstrong number' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 9474
+  assert_success
+  assert_output "true"
+}
+
+@test 'A four digit number that is not an Armstrong number' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 9475
+  assert_success
+  assert_output "false"
+}
+
+@test 'A seven digit number that is an Armstrong number' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 9926315
+  assert_success
+  assert_output "true"
+}
+
+@test 'A seven digit number that is not an Armstrong number' {
+  [[ $BATS_RUN_SKIPPED == "true" ]] || skip
+  run bash armstrong_numbers.sh 9926314
+  assert_success
+  assert_output "false"
+}