just analyse: support dumping the provides map of a target

2 files changed, 78 insertions, 1 deletions

diff --git a/test/end-to-end/cli/TARGETS b/test/end-to-end/cli/TARGETS
index b4a8f996..0b069c22 100644
--- a/test/end-to-end/cli/TARGETS
+++ b/test/end-to-end/cli/TARGETS
@@ -16,6 +16,12 @@
   , "test": ["install.sh"]
   , "deps": [["end-to-end", "tool-under-test"]]
   }
+, "analyse":
+  { "type": ["@", "rules", "shell/test", "script"]
+  , "name": ["analyse"]
+  , "test": ["analyse.sh"]
+  , "deps": [["end-to-end", "tool-under-test"]]
+  }
 , "build -P":
   { "type": ["@", "rules", "shell/test", "script"]
   , "name": ["build-P"]
@@ -25,6 +31,6 @@
 , "TESTS":
   { "type": "install"
   , "tainted": ["test"]
-  , "deps": ["defaults", "pwd", "install", "build -P"]
+  , "deps": ["defaults", "pwd", "install", "build -P", "analyse"]
   }
 }
diff --git a/test/end-to-end/cli/analyse.sh b/test/end-to-end/cli/analyse.sh
new file mode 100755
index 00000000..69ffd4b8
--- /dev/null
+++ b/test/end-to-end/cli/analyse.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+# Copyright 2023 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
+
+TOOL=$(realpath ./bin/tool-under-test)
+BUILDROOT="${TEST_TMPDIR}/build-root"
+OUT="${TEST_TMPDIR}/out"
+mkdir -p "${OUT}"
+
+mkdir src
+cd src
+touch ROOT
+cat > RULES <<'EOF'
+{ "provides":
+  { "config_vars": ["VIA_CONFIG"]
+  , "expression":
+    { "type": "RESULT"
+    , "provides":
+      { "type": "map_union"
+      , "$1":
+        [ { "type": "singleton_map"
+          , "key": "fixed_json"
+          , "value": {"type": "singleton_map", "key": "foo", "value": "bar"}
+          }
+        , { "type": "singleton_map"
+          , "key": "variable"
+          , "value": {"type": "var", "name": "VIA_CONFIG"}
+          }
+        ]
+      }
+    }
+  }
+}
+EOF
+cat > TARGETS <<'EOF'
+{"provides": {"type": "provides"}}
+EOF
+
+
+"${TOOL}" analyse --local-build-root "${BUILDROOT}" \
+          --dump-provides "${OUT}/plain.json" 2>&1
+cat "${OUT}/plain.json"
+[ "$(jq '. == { "fixed_json": {"foo": "bar"}
+              , "variable": null}' "${OUT}/plain.json")" = true ]
+
+"${TOOL}" analyse --local-build-root "${BUILDROOT}" \
+          -D '{"VIA_CONFIG": {"x": "y"}}' \
+          --dump-provides "${OUT}/config.json" 2>&1
+cat "${OUT}/config.json"
+[ "$(jq '. == { "fixed_json": {"foo": "bar"}
+              , "variable": {"x": "y"}}' "${OUT}/config.json")" = true ]
+
+"${TOOL}" analyse --local-build-root "${BUILDROOT}" \
+          -D '{"VIA_CONFIG": {"x": "y"}}' \
+          --dump-provides - > "${OUT}/stdout.json"
+diff "${OUT}/config.json" "${OUT}/stdout.json"
+
+echo OK