Merge branch 'master' of feistymeow.org:feisty_meow

[feisty_meow.git] / scripts / testing / verify_correct_input.sh

diff --git a/scripts/testing/verify_correct_input.sh b/scripts/testing/verify_correct_input.sh
new file mode 100644 (file)
index 0000000..9d31faa
--- /dev/null
+++ b/scripts/testing/verify_correct_input.sh
@@ -0,0 +1,40 @@
+#/bin/bash
+
+# a simple component of unit testing which verifies that the input matches
+# the expected input.
+
+# the single parameter to the script is a file that contains the correct answer.
+
+source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
+
+answer_file="$1"; shift
+
+if [ -z "$answer_file" -o ! -f "$answer_file" ]; then
+  echo This script needs a valid file parameter that points at the correct
+  echo values for the data stream.
+  exit 1
+fi
+
+input_save_file="$(mktemp "$TMP/zz_verify_input.XXXXXX")"
+
+while read line; do
+  echo $line >>"$input_save_file"
+done
+
+diff -q "$input_save_file" "$answer_file"
+if [ $? -ne 0 ]; then
+  sep 76
+  echo "The provided text differs from the correct answer!"
+  echo -e "\nAnswer file has:\n=============="
+  cat "$answer_file"
+  echo -e "==============\nBut the data we saw has:\n=============="
+  cat "$input_save_file"
+  echo -e "=============="
+  sep 76
+  false  # set bad exit value.
+fi
+
+rm "$input_save_file"
+
+exit $?
+