From bac42ee6f84248309e082845e7ea835527cda39b Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Fri, 23 Dec 2022 15:34:10 +0100
Subject: Test that just-mr does not rely on CAS

... and, instead, stores all needed information in git and
CAS-independent index files.
---
 test/end-to-end/TARGETS                    |  1 +
 test/end-to-end/just-mr/TARGETS            |  9 ++++
 test/end-to-end/just-mr/cas-independent.sh | 87 ++++++++++++++++++++++++++++++
 3 files changed, 97 insertions(+)
 create mode 100644 test/end-to-end/just-mr/TARGETS
 create mode 100644 test/end-to-end/just-mr/cas-independent.sh

(limited to 'test')

diff --git a/test/end-to-end/TARGETS b/test/end-to-end/TARGETS
index 5eb95271..27a8c755 100644
--- a/test/end-to-end/TARGETS
+++ b/test/end-to-end/TARGETS
@@ -17,6 +17,7 @@
     , [["./", "build-fails", "TESTS"], "build-fails"]
     , [["./", "remote-execution", "TESTS"], "remote-execution"]
     , [["./", "target-cache", "TESTS"], "target-cache"]
+    , [["./", "just-mr", "TESTS"], "just-mr"]
     ]
   }
 }
diff --git a/test/end-to-end/just-mr/TARGETS b/test/end-to-end/just-mr/TARGETS
new file mode 100644
index 00000000..db7b2621
--- /dev/null
+++ b/test/end-to-end/just-mr/TARGETS
@@ -0,0 +1,9 @@
+{ "cas-independent":
+  { "type": ["@", "rules", "shell/test", "script"]
+  , "name": ["cas-independent"]
+  , "test": ["cas-independent.sh"]
+  , "deps": [["test/end-to-end", "mr-tool-under-test"]]
+  }
+, "TESTS":
+  {"type": "install", "tainted": ["test"], "deps": ["cas-independent"]}
+}
diff --git a/test/end-to-end/just-mr/cas-independent.sh b/test/end-to-end/just-mr/cas-independent.sh
new file mode 100644
index 00000000..04e03687
--- /dev/null
+++ b/test/end-to-end/just-mr/cas-independent.sh
@@ -0,0 +1,87 @@
+#!/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 -eu
+
+readonly JUST_MR="${PWD}/bin/mr-tool-under-test"
+readonly DISTDIR="${TEST_TMPDIR}/distfiles"
+readonly LBR="${TEST_TMPDIR}/local-build-root"
+
+mkdir -p "${DISTDIR}"
+mkdir -p foo/bar/baz
+echo "test data" > foo/bar/baz/data.txt
+tar cf "${DISTDIR}/foo-1.2.3.tar" foo 2>&1
+foocontent=$(git hash-object "${DISTDIR}/foo-1.2.3.tar")
+echo "Foo archive has content ${foocontent}"
+
+# get the tree identifier for later sanity check
+cd foo
+git init
+git config user.name 'N.O.Body'
+git config user.email 'nobody@example.org'
+git add .
+git commit -m 'Just care about the tree' 2>&1
+tree_id=$(git log -n 1 --format='%T')
+cd ..
+rm -rf foo
+echo "foo as tree ${tree_id}"
+
+# Setup sample repository config
+touch ROOT
+cat > repos.json <<EOF
+{ "repositories":
+  { "foo":
+    { "repository":
+      { "type": "archive"
+      , "content": "${foocontent}"
+      , "fetch": "http://non-existent.example.org/foo-1.2.3.tar"
+      , "subdir": "foo"
+      }
+    }
+  , "distdir": {"repository": {"type": "distdir", "repositories": ["foo"]}}
+  , "":
+    { "repository": {"type": "file", "path": "."}
+    , "bindings": {"foo": "foo", "distdir": "distdir"}
+    }
+  }
+}
+EOF
+echo "Repository configuration:"
+cat repos.json
+
+
+# Call just-mr with distdir present
+FIRST_CONFIG=$("${JUST_MR}" --local-build-root "${LBR}" --distdir "${DISTDIR}" setup)
+echo "Config on first set (with everything available) ${FIRST_CONFIG}"
+cat "${FIRST_CONFIG}"
+
+# sanity-check the config: foo has to have the correct git root
+[ $(jq '."repositories"."foo"."workspace_root" | .[1]' "${FIRST_CONFIG}") = "\"${tree_id}\"" ]
+
+echo "First setup done successfully"
+
+# Remove CAS and distfiles
+rm -rf "${LBR}/protocol-dependent"
+ls -al "${LBR}"
+rm -rf "${DISTDIR}"
+
+# Call just-mr again, with map-files and git prefilled from first run,
+# but CAS and distdir missing.
+SECOND_CONFIG=$("${JUST_MR}" --local-build-root "${LBR}" setup)
+[ -f "${SECOND_CONFIG}" ]
+[ "${FIRST_CONFIG}" = "${SECOND_CONFIG}" ]
+
+echo OK
-- 
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