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-rw-r--r--third_party/nix/tests/nar-access.sh44
1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/nix/tests/nar-access.sh b/third_party/nix/tests/nar-access.sh
new file mode 100644
index 000000000000..553d6ca89d7d
--- /dev/null
+++ b/third_party/nix/tests/nar-access.sh
@@ -0,0 +1,44 @@
+source common.sh
+
+echo "building test path"
+storePath="$(nix-build nar-access.nix -A a --no-out-link)"
+
+cd "$TEST_ROOT"
+
+# Dump path to nar.
+narFile="$TEST_ROOT/path.nar"
+nix-store --dump $storePath > $narFile
+
+# Check that find and ls-nar match.
+( cd $storePath; find . | sort ) > files.find
+nix ls-nar -R -d $narFile "" | sort > files.ls-nar
+diff -u files.find files.ls-nar
+
+# Check that file contents of data match.
+nix cat-nar $narFile /foo/data > data.cat-nar
+diff -u data.cat-nar $storePath/foo/data
+
+# Check that file contents of baz match.
+nix cat-nar $narFile /foo/baz > baz.cat-nar
+diff -u baz.cat-nar $storePath/foo/baz
+
+nix cat-store $storePath/foo/baz > baz.cat-nar
+diff -u baz.cat-nar $storePath/foo/baz
+
+# Test --json.
+[[ $(nix ls-nar --json $narFile /) = '{"type":"directory","entries":{"foo":{},"foo-x":{},"qux":{},"zyx":{}}}' ]]
+[[ $(nix ls-nar --json -R $narFile /foo) = '{"type":"directory","entries":{"bar":{"type":"regular","size":0,"narOffset":368},"baz":{"type":"regular","size":0,"narOffset":552},"data":{"type":"regular","size":58,"narOffset":736}}}' ]]
+[[ $(nix ls-nar --json -R $narFile /foo/bar) = '{"type":"regular","size":0,"narOffset":368}' ]]
+[[ $(nix ls-store --json $storePath) = '{"type":"directory","entries":{"foo":{},"foo-x":{},"qux":{},"zyx":{}}}' ]]
+[[ $(nix ls-store --json -R $storePath/foo) = '{"type":"directory","entries":{"bar":{"type":"regular","size":0},"baz":{"type":"regular","size":0},"data":{"type":"regular","size":58}}}' ]]
+[[ $(nix ls-store --json -R $storePath/foo/bar) = '{"type":"regular","size":0}' ]]
+
+# Test missing files.
+nix ls-store --json -R $storePath/xyzzy 2>&1 | grep 'does not exist in NAR'
+nix ls-store $storePath/xyzzy 2>&1 | grep 'does not exist'
+
+# Test failure to dump.
+if nix-store --dump $storePath >/dev/full ; then
+    echo "dumping to /dev/full should fail"
+    exit -1
+fi