tests

tests/bats/bats-support/test/50-output-10-batslib_err.bats

@@ -0,0 +1,43 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test 'batslib_err() <message...>: displays <message...>' {
+  run batslib_err 'm1' 'm2'
+  [ "$status" -eq 0 ]
+  [ "$output" == 'm1 m2' ]
+}
+
+@test 'batslib_err(): reads <message...> from STDIN' {
+  run bash -c "source '${TEST_MAIN_DIR}/load.bash'
+               echo 'm1' 'm2' | batslib_err"
+  [ "$status" -eq 0 ]
+  [ "$output" == 'm1 m2' ]
+}
+
+@test 'batslib_err() works with modified path' {
+  export PATH="$BATS_TEST_DIRNAME:$PATH"
+  echo 'm1 m2' | {
+    # Verify stub
+    run which cat
+    [ "$status" -eq 0 ]
+    [ "$output" = "$BATS_TEST_DIRNAME/cat" ]
+    # Should still work
+    run batslib_err
+    [ "$status" -eq 0 ]
+    [ "$output" == 'm1 m2' ]
+  }
+}
+
+@test 'batslib_err() works with mock function' {
+  echo 'm1 m2' | {
+    function cat {
+      echo "Mocked cat"
+    }
+    [ "$(cat)" = "Mocked cat" ]
+    # Should still work
+    run batslib_err
+    [ "$status" -eq 0 ]
+    [ "$output" == 'm1 m2' ]
+  }
+}