[PATCH v6 23/40] Add t0420 to test transfer to HTTP external odb

[Christian Couder <christian.couder@gmail.com>]

This tests that an apache web server can be used as an
external object database and store files in their native
format instead of converting them to a Git object.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 t/t0420-transfer-http-e-odb.sh | 142 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100755 t/t0420-transfer-http-e-odb.sh

diff --git a/t/t0420-transfer-http-e-odb.sh b/t/t0420-transfer-http-e-odb.sh
new file mode 100755
index 0000000000..f84fe950ec
--- /dev/null
+++ b/t/t0420-transfer-http-e-odb.sh
@@ -0,0 +1,142 @@
+#!/bin/sh
+
+test_description='tests for transfering external objects to an HTTPD server'
+
+. ./test-lib.sh
+
+# If we don't specify a port, the current test number will be used
+# which will not work as it is less than 1024, so it can only be used by root.
+LIB_HTTPD_PORT=$(expr ${this_test#t} + 12000)
+
+. "$TEST_DIRECTORY"/lib-httpd.sh
+
+start_httpd apache-e-odb.conf
+
+# odb helper script must see this
+export HTTPD_URL
+
+write_script odb-http-helper <<\EOF
+die() {
+	printf >&2 "%s\n" "$@"
+	exit 1
+}
+echo >&2 "odb-http-helper args:" "$@"
+case "$1" in
+init)
+	echo "capability=get_raw_obj"
+	echo "capability=put_raw_obj"
+	echo "capability=have"
+	;;
+have)
+	list_url="$HTTPD_URL/list/"
+	curl "$list_url" ||
+	die "curl '$list_url' failed"
+	;;
+get_raw_obj)
+	get_url="$HTTPD_URL/list/?sha1=$2"
+	curl "$get_url" ||
+	die "curl '$get_url' failed"
+	;;
+put_raw_obj)
+	sha1="$2"
+	size="$3"
+	kind="$4"
+	upload_url="$HTTPD_URL/upload/?sha1=$sha1&size=$size&type=$kind"
+	curl --data-binary @- --include "$upload_url" >out ||
+	die "curl '$upload_url' failed"
+	ref_hash=$(echo "$sha1 $size $kind" | GIT_NO_EXTERNAL_ODB=1 git hash-object -w -t blob --stdin) || exit
+	git update-ref refs/odbs/magic/"$sha1" "$ref_hash"
+	;;
+*)
+	die "unknown command '$1'"
+	;;
+esac
+EOF
+HELPER="\"$PWD\"/odb-http-helper"
+
+test_expect_success 'setup repo with a root commit and the helper' '
+	test_commit zero &&
+	git config odb.magic.scriptCommand "$HELPER"
+'
+
+test_expect_success 'setup another repo from the first one' '
+	git init other-repo &&
+	(cd other-repo &&
+	 git remote add origin .. &&
+	 git pull origin master &&
+	 git checkout master &&
+	 git log)
+'
+
+UPLOADFILENAME="hello_apache_upload.txt"
+
+UPLOAD_URL="$HTTPD_URL/upload/?sha1=$UPLOADFILENAME&size=123&type=blob"
+
+test_expect_success 'can upload a file' '
+	echo "Hello Apache World!" >hello_to_send.txt &&
+	echo "How are you?" >>hello_to_send.txt &&
+	curl --data-binary @hello_to_send.txt --include "$UPLOAD_URL" >out_upload
+'
+
+LIST_URL="$HTTPD_URL/list/"
+
+test_expect_success 'can list uploaded files' '
+	curl --include "$LIST_URL" >out_list &&
+	grep "$UPLOADFILENAME" out_list
+'
+
+test_expect_success 'can delete uploaded files' '
+	curl --data "delete" --include "$UPLOAD_URL&delete=1" >out_delete &&
+	curl --include "$LIST_URL" >out_list2 &&
+	! grep "$UPLOADFILENAME" out_list2
+'
+
+FILES_DIR="httpd/www/files"
+
+test_expect_success 'new blobs are transfered to the http server' '
+	test_commit one &&
+	hash1=$(git ls-tree HEAD | grep one.t | cut -f1 | cut -d\  -f3) &&
+	echo "$hash1-4-blob" >expected &&
+	ls "$FILES_DIR" >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'blobs can be retrieved from the http server' '
+	git cat-file blob "$hash1" &&
+	git log -p >expected
+'
+
+test_expect_success 'update other repo from the first one' '
+	(cd other-repo &&
+	 git fetch origin "refs/odbs/magic/*:refs/odbs/magic/*" &&
+	 test_must_fail git cat-file blob "$hash1" &&
+	 git config odb.magic.scriptCommand "$HELPER" &&
+	 git cat-file blob "$hash1" &&
+	 git pull origin master)
+'
+
+test_expect_success 'local clone from the first repo' '
+	mkdir my-clone &&
+	(cd my-clone &&
+	 git clone .. . &&
+	 git cat-file blob "$hash1")
+'
+
+test_expect_success 'no-local clone from the first repo fails' '
+	mkdir my-other-clone &&
+	(cd my-other-clone &&
+	 test_must_fail git clone --no-local .. .) &&
+	rm -rf my-other-clone
+'
+
+test_expect_success 'no-local clone from the first repo with helper succeeds' '
+	mkdir my-other-clone &&
+	(cd my-other-clone &&
+	 git clone -c odb.magic.scriptCommand="$HELPER" \
+		--no-local .. .) &&
+	rm -rf my-other-clone
+'
+
+stop_httpd
+
+test_done
-- 
2.14.1.576.g3f707d88cd