Add Bash test runner

1 files changed, 34 insertions, 0 deletions

diff --git a/test/runner.bash b/test/runner.bash
new file mode 100755
index 0000000..dd86a5a
--- /dev/null
+++ b/test/runner.bash
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+TIDY='tidy --show-body-only 1 --quiet 1 --show-warnings 0'
+SCRIPT="$1"
+TESTDIR="$2"
+PASSED=0
+FAILED=0
+
+abort() {
+    echo "Error: $*"
+    exit 1
+}
+
+test -f "$SCRIPT"  || abort "argument #1 invalid; not a file"
+test -x "$SCRIPT"  || abort "argument #1 invalid; not executable"
+"$SCRIPT" <<< ""   || abort "argument #1 invalid; script failed to run"
+test -d "$TESTDIR" || abort "argument #2 invalid; not a directory"
+
+for TEXT in "$TESTDIR"/*.text; do
+    test -f "$TEXT" || abort "empty or invalid test directory"
+    printf "$(basename "$TEXT" .text) ... "
+    HTML="${TEXT/%.text/.html}"
+    DIFF=`diff <($SCRIPT "$TEXT" | $TIDY) <($TIDY "$HTML")`
+    if test $? == 0; then
+        ((PASSED++))
+        echo OK
+    else
+        ((FAILED++))
+        echo FAILED
+        printf "\n$DIFF\n\n"
+    fi
+done
+
+printf "\n\n$PASSED passed; $FAILED failed.\n"