sharness: add lib/test-lib.sh

Author: chriscool

tests/sharness/lib/test-lib.sh

@@ -0,0 +1,43 @@
+# Test framework for multihash
+#
+# Copyright (c) 2016 Christian Couder
+# MIT Licensed; see the LICENSE file in this repository.
+#
+# We are using sharness (https://github.com/chriscool/sharness)
+# which was extracted from the Git test framework.
+
+# Test the first 'multihash' tool available in the PATH.
+
+# Add current bin directory to path, in case multihash tool is there.
+PATH=$(pwd)/bin:${PATH}
+
+# Set sharness verbosity. we set the env var directly as
+# it's too late to pass in --verbose, and --verbose is harder
+# to pass through in some cases.
+test "$TEST_VERBOSE" = 1 && verbose=t
+
+# Assert a `multihash` tool is available in the PATH.
+type multihash >/dev/null || {
+	echo >&2 "Cannot find any 'multihash' tool in '$PATH'."
+	echo >&2 "Please make sure 'multihash' is in your PATH."
+	exit 1
+}
+
+SHARNESS_LIB="lib/sharness/sharness.sh"
+
+. "$SHARNESS_LIB" || {
+	echo >&2 "Cannot source: $SHARNESS_LIB"
+	echo >&2 "Please check Sharness installation."
+	exit 1
+}
+
+# Please put multihash specific shell functions below
+
+for hashbin in sha1sum shasum; do
+	if type "$hashbin" >/dev/null; then
+		export SHA1SUMBIN="$hashbin" &&
+		test_set_prereq SHA1SUM &&
+		break
+	fi
+done
+

tests/sharness/t0010-multihash-basics.sh

@@ -2,16 +2,12 @@
 
 test_description="Test multihash basics"
 
-. ./lib/sharness/sharness.sh
+. lib/test-lib.sh
 
 test_expect_success "current dir is writable" '
 	echo "It works!" >test.txt
 '
 
-test_expect_success "multihash is available" '
-	type multihash
-'
-
 test_expect_success "'multihash --help' looks good" '
 	multihash --help >actual 2>&1 || true &&
 	egrep -i "usage" actual >/dev/null

tests/sharness/t0020-sha1.sh

@@ -6,7 +6,7 @@
 
 test_description="sha1 tests"
 
-. ./lib/sharness/sharness.sh
+. lib/test-lib.sh
 
 test_expect_success "setup sha1 tests" '
 	echo "Hash me!" >hash_me.txt &&
@@ -22,9 +22,9 @@ test_expect_success "'multihash -a=sha1 -e=hex' output looks good" '
 	test_cmp expected actual
 '
 
-test_expect_success SHASUM "check hash using shasum" '
+test_expect_success SHA1SUM "check hash using '$SHA1SUMBIN'" '
 	echo "$SHA1  hash_me.txt" >expected &&
-	$SHASUMBIN hash_me.txt >actual &&
+	$SHA1SUMBIN hash_me.txt >actual &&
 	test_cmp expected actual
 '