Add end-to-end test describing absent export targets

4 files changed, 121 insertions, 0 deletions

diff --git a/test/end-to-end/serve-service/TARGETS b/test/end-to-end/serve-service/TARGETS
index c8d6ca70..47424d71 100644
--- a/test/end-to-end/serve-service/TARGETS
+++ b/test/end-to-end/serve-service/TARGETS
@@ -95,6 +95,24 @@
   , "deps":
     [["end-to-end", "mr-tool-under-test"], ["end-to-end", "tool-under-test"]]
   }
+, "describe (data)":
+  { "type": "install"
+  , "files": {"ROOT": "data/ROOT", "TARGETS": "data/targets/TARGETS.describe"}
+  }
+, "describe (locally installed)":
+  {"type": "install", "dirs": [["describe (data)", "repo"]]}
+, "describe":
+  { "type": ["end-to-end", "with serve"]
+  , "name": ["describe"]
+  , "test": ["describe.sh"]
+  , "deps":
+    [ ["end-to-end", "mr-tool-under-test"]
+    , ["end-to-end", "tool-under-test"]
+    , "describe (locally installed)"
+    ]
+  , "repos": ["describe (data)"]
+  , "keep": ["out/describe.orig", "out/describe"]
+  }
 , "TESTS":
   { "type": "install"
   , "tainted": ["test"]
@@ -109,6 +127,7 @@
         , "serve-start-execute-sharding"
         , "serve-export-deps"
         , "serve-query-target-cache-value"
+        , "describe"
         ]
       , { "type": "if"
         , "cond": {"type": "var", "name": "TEST_COMPATIBLE_REMOTE"}
diff --git a/test/end-to-end/serve-service/data/ROOT b/test/end-to-end/serve-service/data/ROOT
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/end-to-end/serve-service/data/ROOT
diff --git a/test/end-to-end/serve-service/data/targets/TARGETS.describe b/test/end-to-end/serve-service/data/targets/TARGETS.describe
new file mode 100644
index 00000000..eb3f9bb2
--- /dev/null
+++ b/test/end-to-end/serve-service/data/targets/TARGETS.describe
@@ -0,0 +1,27 @@
+{ "":
+  { "type": "export"
+  , "target": "_"
+  , "doc": ["A glorified hello-world example"]
+  , "flexible_config": ["NAME"]
+  , "config_doc": {"NAME": ["The name to say hello to"]}
+  }
+, "_":
+  { "type": "generic"
+  , "arguments_config": ["NAME"]
+  , "outs": ["greeting.txt"]
+  , "cmds":
+    [ { "type": "join"
+      , "$1":
+        [ { "type": "join_cmd"
+          , "$1":
+            [ "echo"
+            , "Hello"
+            , {"type": "var", "name": "NAME", "default": "world"}
+            ]
+          }
+        , " > greeting.txt"
+        ]
+      }
+    ]
+  }
+}
diff --git a/test/end-to-end/serve-service/describe.sh b/test/end-to-end/serve-service/describe.sh
new file mode 100644
index 00000000..f731ce8c
--- /dev/null
+++ b/test/end-to-end/serve-service/describe.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+# Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu
+
+readonly JUST="${PWD}/bin/tool-under-test"
+readonly JUST_MR="${PWD}/bin/mr-tool-under-test"
+readonly LBR1="${TEST_TMPDIR}/local-build-root-1"
+readonly LBR2="${TEST_TMPDIR}/local-build-root-1"
+readonly OUT="${PWD}/out"
+mkdir -p "${OUT}"
+
+COMPAT=""
+if [ "${COMPATIBLE:-}" = "YES" ]; then
+  COMPAT="--compatible"
+fi
+
+echo Local description
+echo
+(cd repo \
+ && "${JUST}" describe --local-build-root "${LBR1}" > "${OUT}/describe.orig")
+cat "${OUT}/describe.orig"
+echo
+
+mkdir work
+cd work
+touch ROOT
+
+cat > repos.json <<EOF
+{ "repositories":
+  { "":
+    { "repository":
+      { "type": "git"
+      , "commit": "$COMMIT_0"
+      , "pragma": {"absent": true}
+      , "repository": "http://non-existent.example.org/data.git"
+      , "branch": "master"
+      , "subdir": "."
+      }
+    }
+  }
+}
+EOF
+
+echo Repo config
+echo
+cat repos.json
+echo
+
+echo Remotely obtained description
+echo
+"${JUST_MR}" --norc --local-build-root "${LBR2}" \
+             --remote-serve-address ${SERVE} \
+             -r ${REMOTE_EXECUTION_ADDRESS} ${COMPAT} \
+             --log-limit 6 \
+             --just "${JUST}" describe > "${OUT}/describe"
+cat "${OUT}/describe"
+echo
+
+diff -u "${OUT}/describe.orig" "${OUT}/describe"
+
+
+echo OK