1 files changed, 95 insertions, 0 deletions
diff --git a/test/end-to-end/target-tests/upwards.sh b/test/end-to-end/target-tests/upwards.sh
new file mode 100755
index 00000000..fb700588
--- /dev/null
+++ b/test/end-to-end/target-tests/upwards.sh
@@ -0,0 +1,95 @@
+#!/bin/sh
+# Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e
+
+mkdir -p .root
+
+mkdir -p  src
+touch src/ROOT
+echo BAD > outside.txt
+
+# Target names that look like upwards references are OK
+
+echo "== legitimate target =="
+
+cat > src/TARGETS <<'EOF'
+{ "it":
+  { "type": "generic"
+  , "cmds": ["cat *.txt > out"]
+  , "outs": ["out"]
+  , "deps": ["../outside.txt"]
+  }
+, "../outside.txt":
+  {"type": "file_gen", "name": "inside.txt", "data": "Everything OK"}
+}
+EOF
+
+./bin/tool-under-test install -o out --workspace-root src \
+	--local-build-root .root . it 2>&1
+
+grep OK out/out
+grep BAD out/out && exit 1 || :
+
+# Upwards references in relative target names are OK;
+# continue the previous test case
+
+echo "== legitimate upwards target reference =="
+
+mkdir -p src/deep
+cat > src/deep/TARGETS <<'EOF'
+{ "OK up":
+  { "type": "generic"
+  , "cmds": ["cat *.txt > out"]
+  , "outs": ["out"]
+  , "deps": [ ["./", "..", "../outside.txt"] ]
+  }
+}
+EOF
+
+
+./bin/tool-under-test install -o out2 --workspace-root src \
+	--local-build-root .root deep  'OK up' 2>&1
+grep OK out2/out
+
+# Upwards refernces and targets outside the repo are not OK
+
+cat > TARGETS <<'EOF'
+{ "outside.txt": {"type": "file_gen", "name": "inside.txt", "data": "BAD"}}
+EOF
+
+for REF in '"../outside.txt"' \
+	       '["FILE", ".", "../outside.txt"]' \
+	       '["./", "..", "outside.txt"]'
+do echo "== true upwards reference $REF =="
+
+cat > src/TARGETS <<EOF
+{ "it":
+  { "type": "generic"
+  , "cmds": ["cat *.txt > out"]
+  , "outs": ["out"]
+  , "deps": [${REF}]
+  }
+}
+EOF
+
+cat src/TARGETS
+
+./bin/tool-under-test analyse --workspace-root src . it 2>&1 && exit 1 || :
+
+done
+
+
+echo DONE