Add simple roundup tests.

spark-test.sh

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+#!/usr/bin/env roundup
+
+describe "spark: Generates sparklines for a set of data."
+
+spark="./spark"
+
+it_graphs_argv_data() {
+  graph="$($spark 1,5,22,13,5)"
+
+  test $graph = '▁▂▇▅▂'
+}
+
+it_charts_pipe_data() {
+  data="0,30,55,80,33,150"
+  graph="$(echo $data | $spark)"
+
+  test $graph = '▁▂▃▄▂▇'
+}

test

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+#!/bin/sh
+#
+# Run roundup tests for spark.
+#
+
+roundup=$(which roundup)
+
+[ ! -z $roundup ] || {
+  cat <<MESSAGE 1>&2 ;
+error: roundup missing
+
+Check out https://github.com/bmizerany/roundup for instructions on installing roundup.
+MESSAGE
+
+  exit 1;
+}
+
+$roundup ./*-test.sh