testing: test building a source image from src.rpms

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

.gitignore

@@ -0,0 +1,4 @@
+
+.build-container
+.testprep
+.validate

Makefile

@@ -2,6 +2,12 @@ SRC := ./BuildSourceImage.sh
 CTR_IMAGE := localhost/containers/buildsourceimage
 CTR_ENGINE ?= podman
 cleanfiles =
+# these are packages whose src.rpms are very small
+srpm_urls = \
+	https://archive.kernel.org/centos-vault/7.0.1406/os/Source/SPackages/basesystem-10.0-7.el7.centos.src.rpm \
+	https://archive.kernel.org/centos-vault/7.0.1406/os/Source/SPackages/rootfiles-8.1-11.el7.src.rpm \
+	https://archive.kernel.org/centos-vault/7.0.1406/os/Source/SPackages/centos-bookmarks-7-1.el7.src.rpm
+srpms = $(addprefix ./.testprep/srpms/,$(notdir $(rpms)))
 
 all: validate
 
@@ -16,14 +22,20 @@ build-container: .build-container
 cleanfiles += .build-container
 .build-container: .validate Dockerfile $(SRC)
 	@echo
-	@echo "Building BuildSourceImage Container"
+	@echo "==> Building BuildSourceImage Container"
 	$(CTR_ENGINE) build --quiet --file Dockerfile --tag $(CTR_IMAGE) . && touch $@
 
+cleanfiles += .testprep $(srpms)
+.testprep:
+	@echo "==> Fetching SRPMs for testing against"
+	mkdir -p $@/{srpms,tmp}
+	wget -P $@/srpms/ $(srpm_urls)
+
 .PHONY: test-integration
-test-integration: .build-container
+test-integration: .build-container .testprep
 	@echo
-	@echo "Running integration tests"
+	@echo "==> Running integration tests"
-	CTR_IMAGE=$(CTR_IMAGE) CTR_ENGINE=$(CTR_ENGINE) bats test/
+	CTR_IMAGE=$(CTR_IMAGE) CTR_ENGINE=$(CTR_ENGINE) TMPDIR=$(shell realpath .testprep/tmp) bats test/
 
 
 clean:

test/01-from_rpms.bats

@@ -0,0 +1,24 @@
+#!/usr/bin/env bats -t
+
+@test "build from RPMS" {
+	d=$(mktemp -d)
+	run $CTR_ENGINE run --rm -v $(pwd)/.testprep/srpms/:/src:ro -v ${d}:/output/ $CTR_IMAGE -s /src 
+	[ "$status" -eq 0 ]
+	#echo ${lines[@]}
+	[[ ${lines[0]} =~ "[SrcImg][INFO] calling source collection drivers" ]]
+	# get the number of the last line
+	n=$(expr ${#lines[@]} - 1)
+	[[ ${lines[${n}]} =~ "[SrcImg][INFO] copied to oci:/output:latest-source" ]]
+	
+	echo "${d}"
+	[ -f "${d}/index.json" ]
+	[ -f "${d}/oci-layout" ]
+	[ "$(du -b ${d}/index.json | awk '{ print $1 }')" -gt 0 ]
+	[ "$(du -b ${d}/oci-layout | awk '{ print $1 }')" -gt 0 ]
+	
+	# let's press that the files are predictable
+	[ "$(find ${d} -type f | wc -l)" -eq 7 ]
+	[ -f "${d}/blobs/sha256/3afb43699ea82a69b16efb215363604d9e4ffe16c9ace7e53df66663847309cf" ]
+	[ -f "${d}/blobs/sha256/7f4a50f05b7bd38017be8396b6320e1d2e6a05af097672e3ed23ef3df2ddeadb" ]
+	[ -f "${d}/blobs/sha256/8f4e610748f8b58a3297ecf78ecc8ff7b6420c3e559e3e20cad8ac178c6fe4e8" ]
+}