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diff --git a/src/lib/yang/tests/adaptor_unittests.cc b/src/lib/yang/tests/adaptor_unittests.cc
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+// Copyright (C) 2018-2021 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <testutils/gtest_utils.h>
+#include <yang/adaptor.h>
+
+#include <gtest/gtest.h>
+
+using namespace std;
+using namespace isc;
+using namespace isc::data;
+using namespace isc::yang;
+
+namespace {
+
+// Test that get context works as expected i.e. moves a comment into
+// the user context creating it if not exists.
+TEST(AdaptorTest, getContext) {
+ // Empty.
+ string config = "{\n"
+ "}\n";
+ ConstElementPtr json = Element::fromJSON(config);
+ ConstElementPtr context;
+ ASSERT_NO_THROW_LOG(context = Adaptor::getContext(json));
+ EXPECT_FALSE(context);
+
+ // No relevant.
+ config = "{\n"
+ " \"foo\": 1\n"
+ "}\n";
+ json = Element::fromJSON(config);
+ ASSERT_NO_THROW_LOG(context = Adaptor::getContext(json));
+ EXPECT_FALSE(context);
+
+ // User context.
+ config = "{\n"
+ " \"foo\": 1,\n"
+ " \"user-context\": { \"bar\": 2 }\n"
+ "}\n";
+ json = Element::fromJSON(config);
+ ASSERT_NO_THROW_LOG(context = Adaptor::getContext(json));
+ ASSERT_TRUE(context);
+ EXPECT_EQ("{ \"bar\": 2 }", context->str());
+
+ // Comment.
+ config = "{\n"
+ " \"foo\": 1,\n"
+ " \"comment\": \"a comment\"\n"
+ "}\n";
+ json = Element::fromJSON(config);
+ ASSERT_NO_THROW_LOG(context = Adaptor::getContext(json));
+ ASSERT_TRUE(context);
+ EXPECT_EQ("{ \"comment\": \"a comment\" }", context->str());
+
+ // User context and comment.
+ config = "{\n"
+ " \"foo\": 1,\n"
+ " \"user-context\": { \"bar\": 2 },\n"
+ " \"comment\": \"a comment\"\n"
+ "}\n";
+ json = Element::fromJSON(config);
+ ASSERT_NO_THROW_LOG(context = Adaptor::getContext(json));
+ ASSERT_TRUE(context);
+ EXPECT_EQ("{ \"bar\": 2, \"comment\": \"a comment\" }", context->str());
+
+ // User context with conflicting comment and comment.
+ config = "{\n"
+ " \"foo\": 1,\n"
+ " \"user-context\": {\n"
+ " \"bar\": 2,\n"
+ " \"comment\": \"conflicting\"\n"
+ " },\n"
+ " \"comment\": \"a comment\"\n"
+ "}\n";
+ json = Element::fromJSON(config);
+ ASSERT_NO_THROW_LOG(context = Adaptor::getContext(json));
+ ASSERT_TRUE(context);
+ EXPECT_EQ("{ \"bar\": 2, \"comment\": \"a comment\" }", context->str());
+}
+
+// Test that fromParent works as expected i.e. moves parameters from the
+// parent to children and not overwrite them.
+TEST(AdaptorTest, fromParent) {
+ string config = "{\n"
+ " \"param1\": 123,\n"
+ " \"param2\": \"foo\",\n"
+ " \"list\": [\n"
+ " {\n"
+ " \"param1\": 234\n"
+ " },{\n"
+ " \"another\": \"entry\"\n"
+ " }\n"
+ " ]\n"
+ "}\n";
+
+ ConstElementPtr json = Element::fromJSON(config);
+ EXPECT_NO_THROW(Adaptor::fromParent("param1", json, json->get("list")));
+ EXPECT_NO_THROW(Adaptor::fromParent("param2", json, json->get("list")));
+ EXPECT_NO_THROW(Adaptor::fromParent("param3", json, json->get("list")));
+
+ string expected = "{\n"
+ " \"param1\": 123,\n"
+ " \"param2\": \"foo\",\n"
+ " \"list\": [\n"
+ " {\n"
+ " \"param1\": 234,\n"
+ " \"param2\": \"foo\"\n"
+ " },{\n"
+ " \"another\": \"entry\",\n"
+ " \"param1\": 123,\n"
+ " \"param2\": \"foo\"\n"
+ " }\n"
+ " ]\n"
+ "}\n";
+ EXPECT_TRUE(json->equals(*Element::fromJSON(expected)));
+}
+
+// Test that toParent works as expected i.e. moves parameters from children
+// to the parent throwing when a value differs between two children.
+TEST(AdaptorTest, toParent) {
+ string config = "{\n"
+ " \"list\": [\n"
+ " {\n"
+ " \"param2\": \"foo\",\n"
+ " \"param3\": 234,\n"
+ " \"param4\": true\n"
+ " },{\n"
+ " \"another\": \"entry\",\n"
+ " \"param2\": \"foo\",\n"
+ " \"param3\": 123,\n"
+ " \"param5\": false\n"
+ " }\n"
+ " ]\n"
+ "}\n";
+
+ ElementPtr json = Element::fromJSON(config);
+ EXPECT_NO_THROW(Adaptor::toParent("param1", json, json->get("list")));
+ EXPECT_TRUE(json->equals(*Element::fromJSON(config)));
+
+ string expected = "{\n"
+ " \"param2\": \"foo\",\n"
+ " \"list\": [\n"
+ " {\n"
+ " \"param3\": 234,\n"
+ " \"param4\": true\n"
+ " },{\n"
+ " \"another\": \"entry\",\n"
+ " \"param3\": 123,\n"
+ " \"param5\": false\n"
+ " }\n"
+ " ]\n"
+ "}\n";
+
+ EXPECT_NO_THROW(Adaptor::toParent("param2",json, json->get("list")));
+ EXPECT_TRUE(json->equals(*Element::fromJSON(expected)));
+
+ // param[345] have different values so it should throw.
+ EXPECT_THROW(Adaptor::toParent("param3",json, json->get("list")),
+ BadValue);
+ EXPECT_THROW(Adaptor::toParent("param4",json, json->get("list")),
+ BadValue);
+ EXPECT_THROW(Adaptor::toParent("param5",json, json->get("list")),
+ BadValue);
+ // And not modify the value.
+ EXPECT_TRUE(json->equals(*Element::fromJSON(expected)));
+}
+
+// Test for modify (maps & insert).
+TEST(AdaptorTest, modifyMapInsert) {
+ string config = "{\n"
+ " \"foo\": {\n"
+ " \"bar\": {\n"
+ "}}}\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ string spath = "[ \"foo\", \"bar\" ]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"insert\",\n"
+ " \"key\": \"test\",\n"
+ " \"value\": 1234\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "{\n"
+ " \"foo\": {\n"
+ " \"bar\": {\n"
+ " \"test\": 1234\n"
+ "}}}\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+// Test for modify (maps & replace).
+TEST(AdaptorTest, modifyMapReplace) {
+ string config = "{\n"
+ " \"foo\": {\n"
+ " \"bar\": {\n"
+ " \"test1\": 1234,\n"
+ " \"test2\": 1234\n"
+ "}}}\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ string spath = "[ \"foo\", \"bar\" ]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"insert\",\n"
+ " \"key\": \"test1\",\n"
+ " \"value\": 5678\n"
+ "},{\n"
+ " \"action\": \"replace\",\n"
+ " \"key\": \"test2\",\n"
+ " \"value\": 5678\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "{\n"
+ " \"foo\": {\n"
+ " \"bar\": {\n"
+ " \"test1\": 1234,\n"
+ " \"test2\": 5678\n"
+ "}}}\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+// Test for modify (maps & delete).
+TEST(AdaptorTest, modifyMapDelete) {
+ string config = "{\n"
+ " \"foo\": {\n"
+ " \"bar\": {\n"
+ " \"test\": 1234\n"
+ "}}}\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ string spath = "[ \"foo\", \"bar\" ]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"delete\",\n"
+ " \"key\": \"test\"\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "{\n"
+ " \"foo\": {\n"
+ " \"bar\": {\n"
+ "}}}\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+// Test for modify (lists & insert).
+TEST(AdaptorTest, modifyListInsert) {
+ string config = "[\n"
+ "[{\n"
+ " \"foo\": \"bar\"\n"
+ "}]]\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ string spath = "[ 0, { \"key\": \"foo\", \"value\": \"bar\" }]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"insert\",\n"
+ " \"key\": \"test\",\n"
+ " \"value\": 1234\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "[\n"
+ "[{\n"
+ " \"foo\": \"bar\",\n"
+ " \"test\": 1234\n"
+ "}]]\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+// Test for modify (list all & insert).
+TEST(AdaptorTest, modifyListAllInsert) {
+ string config = "[\n"
+ "{},\n"
+ "{},\n"
+ "{ \"test\": 1234 },\n"
+ "]\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ string spath = "[ -1 ]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"insert\",\n"
+ " \"key\": \"test\",\n"
+ " \"value\": 5678\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "[\n"
+ "{ \"test\": 5678 },\n"
+ "{ \"test\": 5678 },\n"
+ "{ \"test\": 1234 }\n"
+ "]\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+TEST(AdaptorTest, modifyListDelete) {
+ string config = "[[\n"
+ "{\n"
+ " \"foo\": \"bar\"\n"
+ "},{\n"
+ "},[\n"
+ "0, 1, 2, 3\n"
+ "]]]\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ string spath = "[ 0 ]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ // Put the positional first as it applies after previous actions...
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"delete\",\n"
+ " \"key\": 2\n"
+ "},{\n"
+ " \"action\": \"delete\",\n"
+ " \"key\": { \"key\": \"foo\", \"value\": \"bar\" }\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "[[{}]]\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+TEST(AdaptorTest, modifyListAllDelete) {
+ string config = "[[\n"
+ "{\n"
+ " \"foo\": \"bar\"\n"
+ "},{\n"
+ "},[\n"
+ "0, 1, 2, 3\n"
+ "]]]\n";
+ ElementPtr json;
+ ASSERT_NO_THROW_LOG(json = Element::fromJSON(config));
+ // The main change from the previous unit test is key 0 -> -1 so
+ // modify() applies the delete to all elements vs only the first one.
+ string spath = "[ -1 ]";
+ ConstElementPtr path;
+ ASSERT_NO_THROW_LOG(path = Element::fromJSON(spath));
+ // Put the positional first as it applies after previous actions...
+ string sactions = "[\n"
+ "{\n"
+ " \"action\": \"delete\",\n"
+ " \"key\": 2\n"
+ "},{\n"
+ " \"action\": \"delete\",\n"
+ " \"key\": { \"key\": \"foo\", \"value\": \"bar\" }\n"
+ "}]\n";
+ ConstElementPtr actions;
+ ASSERT_NO_THROW_LOG(actions = Element::fromJSON(sactions));
+ string result = "[[{}]]\n";
+ ConstElementPtr expected;
+ ASSERT_NO_THROW_LOG(expected = Element::fromJSON(result));
+ ASSERT_NO_THROW_LOG(Adaptor::modify(path, actions, json));
+ EXPECT_TRUE(expected->equals(*json));
+}
+
+}; // end of anonymous namespace
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