[PATCH/RFC v2 2/4] Add tests for per-repository eol normalization

@@ -0,0 +1,180 @@
+#!/bin/sh
+
+test_description='CRLF conversion'
+
+. ./test-lib.sh
+
+has_cr() {
+	tr '\015' Q <"$1" | grep Q >/dev/null
+}
+
+test_expect_success setup '
+
+	git config core.autocrlf false &&
+
+	for w in Hello world how are you; do echo $w; done >one &&
+	for w in I am very very fine thank you; do echo ${w}Q; done | q_to_cr >two &&
+	git add . &&
+
+	git commit -m initial &&
+
+	one=`git rev-parse HEAD:one` &&
+	two=`git rev-parse HEAD:two` &&
+
+	for w in Some extra lines here; do echo $w; done >>one &&
+	git diff >patch.file &&
+	patched=`git hash-object --stdin <one` &&
+	git read-tree --reset -u HEAD &&
+
+	echo happy.
+'
+
+test_expect_success 'default settings cause no changes' '
+
+	rm -f .gitattributes tmp one two &&
+	git read-tree --reset -u HEAD &&
+
+	if has_cr one || ! has_cr two
+	then
+		echo "Eh? $f"
+		false
+	fi &&
+	onediff=`git diff one` &&
+	twodiff=`git diff two` &&
+	test -z "$onediff" -a -z "$twodiff"
+'
+
+test_expect_success 'no crlf=auto, explicit eolstyle=native causes no changes' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.eolstyle native &&
+	git read-tree --reset -u HEAD &&
+
+	if has_cr one || ! has_cr two
+	then
+		echo "Eh? $f"
+		false
+	fi &&
+	onediff=`git diff one` &&
+	twodiff=`git diff two` &&
+	test -z "$onediff" -a -z "$twodiff"
+'
+
+test_expect_failure 'crlf=auto, eolStyle=crlf <=> autocrlf=true' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.autocrlf false &&
+	git config core.eolstyle crlf &&
+	echo "* crlf=auto" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+	unset missing_cr &&
+
+	for f in one two
+	do
+		if ! has_cr "$f"
+		then
+			echo "Eh? $f"
+			missing_cr=1
+			break
+		fi
+	done &&
+	test -z "$missing_cr"
+'
+
+test_expect_failure 'crlf=auto, eolStyle=lf <=> autocrlf=input' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.autocrlf false &&
+	git config core.eolstyle lf &&
+	echo "* crlf=auto" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+
+	if has_cr one || ! has_cr two
+	then
+		echo "Eh? $f"
+		false
+	fi &&
+	onediff=`git diff one` &&
+	twodiff=`git diff two` &&
+	test -z "$onediff" -a -n "$twodiff"
+'
+
+test_expect_success 'crlf=auto, eolStyle=false <=> autocrlf=false' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.autocrlf false &&
+	git config core.eolstyle false &&
+	echo "* crlf=auto" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+
+	if has_cr one || ! has_cr two
+	then
+		echo "Eh? $f"
+		false
+	fi
+	onediff=`git diff one` &&
+	twodiff=`git diff two` &&
+	test -z "$onediff" -a -z "$twodiff"
+'
+
+test_expect_success 'autocrlf=true overrides crlf=auto, eolStyle=lf' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.autocrlf true &&
+	git config core.eolstyle lf &&
+	echo "* crlf=auto" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+	unset missing_cr &&
+
+	for f in one two
+	do
+		if ! has_cr "$f"
+		then
+			echo "Eh? $f"
+			missing_cr=1
+			break
+		fi
+	done &&
+	test -z "$missing_cr"
+'
+
+test_expect_success 'autocrlf=input overrides crlf=auto, eolStyle=crlf' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.autocrlf input &&
+	git config core.eolstyle crlf &&
+	echo "* crlf=auto" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+
+	if has_cr one || ! has_cr two
+	then
+		echo "Eh? $f"
+		false
+	fi &&
+	onediff=`git diff one` &&
+	twodiff=`git diff two` &&
+	test -z "$onediff" -a -n "$twodiff"
+'
+
+test_expect_success 'autocrlf=true overrides crlf=auto, eolStyle=false' '
+
+	rm -f .gitattributes tmp one two &&
+	git config core.autocrlf true &&
+	git config core.eolstyle false &&
+	echo "* crlf=auto" > .gitattributes &&
+	git read-tree --reset -u HEAD &&
+	unset missing_cr &&
+
+	for f in one two
+	do
+		if ! has_cr "$f"
+		then
+			echo "Eh? $f"
+			missing_cr=1
+			break
+		fi
+	done &&
+	test -z "$missing_cr"
+'
+
+test_done