From 0414745f7d331997faac2c98a7fe614473342646 Mon Sep 17 00:00:00 2001
From: David Caldwell <david@porkrind.org>
Date: Wed, 15 May 2013 15:33:40 -0700
Subject: [PATCH] Add testing infrastructure and a simple test

---
 test/main.test    | 23 ++++++++++++++++++++++
 test/run-tests    | 50 +++++++++++++++++++++++++++++++++++++++++++++++
 test/vcs/cvs.sh   | 19 ++++++++++++++++++
 test/vcs/darcs.sh | 13 ++++++++++++
 test/vcs/git.sh   | 13 ++++++++++++
 test/vcs/hg.sh    | 13 ++++++++++++
 6 files changed, 131 insertions(+)
 create mode 100644 test/main.test
 create mode 100755 test/run-tests
 create mode 100644 test/vcs/cvs.sh
 create mode 100644 test/vcs/darcs.sh
 create mode 100644 test/vcs/git.sh
 create mode 100644 test/vcs/hg.sh

diff --git a/test/main.test b/test/main.test
new file mode 100644
index 0000000..322931e
--- /dev/null
+++ b/test/main.test
@@ -0,0 +1,23 @@
+# -*- sh -*-
+
+echo "initial" > a
+
+diff -uN --label /dev/null --label ${DIFF_PREFIX}a /dev/null a > initial.patch || true
+
+$COMMIT_PATCH -m "initial" initial.patch
+
+echo "1234" >> a
+
+$VC_DIFF > changed.patch || true
+
+$COMMIT_PATCH -m "changed" changed.patch
+
+rm a
+
+# Some VCSes won't show diffs for removed files unless you tell it they are removed:
+[ $VC == 'cvs' ] && cvs rm a
+[ $VC == 'hg'  ] && hg rm a
+
+$VC_DIFF > removed.patch || true
+
+$COMMIT_PATCH -m "removed" removed.patch
diff --git a/test/run-tests b/test/run-tests
new file mode 100755
index 0000000..4839ed5
--- /dev/null
+++ b/test/run-tests
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+set -x
+TESTDIR=$(dirname $0)
+TESTDIR_ABS=$(cd $TESTDIR && pwd)
+export COMMIT_PATCH="$TESTDIR_ABS/../commit-patch --verbose"
+
+VCSes=$((cd "$TESTDIR/vcs" && ls -1 *.sh) | sed -e 's/\(.*\)\.sh/\1/')
+Tests=$(cd "$TESTDIR" && ls -1 *.test)
+
+usage () {
+    set +x
+    echo "Usage:"
+    echo "    $0 <VC>"
+    echo ""
+    echo "  Where <VC> is one of: $(echo $VCSes)"
+    exit 1;
+}
+
+VCs=${1:-$VCSes}
+
+[ "$VCs" == "--help" -o "$VCs" == "-h" ] && usage
+
+for vc in "$TESTDIR/vcs/"*.sh; do
+    source "$vc"
+done
+
+run_test () {
+    export VC=$1
+    TEST=$2
+
+    [ -d "$TESTDIR/tmp" ] || mkdir "$TESTDIR/tmp"
+    WD=$(mktemp -d "$TESTDIR_ABS/tmp/wd.XXXXXXX")
+    REPO=$(mktemp -d "$TESTDIR_ABS/tmp/repo.XXXXXXX")
+
+    ${VC}_init "$WD" "$REPO"
+
+    if ! (cd "$WD" && sh -x -e "$TESTDIR_ABS/$TEST"); then
+        echo "$VC / $TEST: Test failed."
+        exit 1;
+    fi
+
+#    ${VC}_cleanup "$WD" "$REPO"
+}
+
+for vc in $VCs; do
+    for t in $Tests; do
+        run_test $vc $t
+    done
+done
diff --git a/test/vcs/cvs.sh b/test/vcs/cvs.sh
new file mode 100644
index 0000000..92d2e3d
--- /dev/null
+++ b/test/vcs/cvs.sh
@@ -0,0 +1,19 @@
+cvs_init () {
+    WD=$1
+    REPO=$2
+
+    export CVSROOT="$REPO"
+    cvs init
+    mkdir "$REPO/test"
+    cvs checkout -d "$WD" test
+
+    export VC_DIFF="cvs diff -N"
+    export DIFF_PREFIX=""
+}
+
+cvs_cleanup () {
+    WD=$1
+    REPO=$2
+    rm -rf "$WD"
+    rm -rf "$REPO"
+}
diff --git a/test/vcs/darcs.sh b/test/vcs/darcs.sh
new file mode 100644
index 0000000..d0fdf3b
--- /dev/null
+++ b/test/vcs/darcs.sh
@@ -0,0 +1,13 @@
+darcs_init () {
+    WD=$1
+    mkdir -p "$WD"
+    (cd "$WD" && darcs init)
+
+    export VC_DIFF="darcs diff"
+    export DIFF_PREFIX="a/"
+}
+
+darcs_cleanup () {
+    WD=$1
+    rm -rf "$WD"
+}
diff --git a/test/vcs/git.sh b/test/vcs/git.sh
new file mode 100644
index 0000000..e0923f6
--- /dev/null
+++ b/test/vcs/git.sh
@@ -0,0 +1,13 @@
+git_init () {
+    WD=$1
+    mkdir -p "$WD"
+    (cd "$WD" && git init)
+
+    export VC_DIFF="git diff"
+    export DIFF_PREFIX="b/"
+}
+
+git_cleanup () {
+    WD=$1
+    rm -rf "$WD"
+}
diff --git a/test/vcs/hg.sh b/test/vcs/hg.sh
new file mode 100644
index 0000000..29e1d71
--- /dev/null
+++ b/test/vcs/hg.sh
@@ -0,0 +1,13 @@
+hg_init () {
+    WD=$1
+    mkdir -p "$WD"
+    (cd "$WD" && hg init)
+
+    export VC_DIFF="hg diff"
+    export DIFF_PREFIX="a/"
+}
+
+hg_cleanup () {
+    WD=$1
+    rm -rf "$WD"
+}
-- 
2.51.2