Fix Parser::availableNodes not caring about absolute paths

Issue: https://tree.taiga.io/project/jktjkt-netconf-cli/issue/129
Change-Id: I73294b2cbd22ddfc4d5c34d4ef766279a0a5f249
diff --git a/tests/parser_methods.cpp b/tests/parser_methods.cpp
new file mode 100644
index 0000000..d8080b3
--- /dev/null
+++ b/tests/parser_methods.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2018 CESNET, https://photonics.cesnet.cz/
+ * Copyright (C) 2018 FIT CVUT, https://fit.cvut.cz/
+ *
+ * Written by Václav Kubernát <kubervac@fit.cvut.cz>
+ *
+*/
+
+#include <experimental/iterator>
+#include "trompeloeil_doctest.h"
+#include "ast_commands.hpp"
+#include "parser.hpp"
+#include "static_schema.hpp"
+
+namespace std {
+std::ostream& operator<<(std::ostream& s, const std::set<std::string> set)
+{
+    s << std::endl
+      << "{";
+    std::copy(set.begin(), set.end(), std::experimental::make_ostream_joiner(s, ", "));
+    s << "}" << std::endl;
+    return s;
+}
+}
+
+TEST_CASE("parser methods")
+{
+    auto schema = std::make_shared<StaticSchema>();
+    schema->addModule("example");
+    schema->addModule("second");
+    schema->addContainer("", "example:a");
+    schema->addList("example:a", "example:listInCont", {"number"});
+    schema->addContainer("", "second:a");
+    schema->addContainer("", "example:b");
+    schema->addContainer("example:a", "example:a2");
+    schema->addContainer("example:b", "example:b2");
+    schema->addContainer("example:a/example:a2", "example:a3");
+    schema->addContainer("example:b/example:b2", "example:b3");
+    schema->addList("", "example:list", {"number"});
+    schema->addContainer("example:list", "example:contInList");
+    schema->addList("", "example:twoKeyList", {"number", "name"});
+    Parser parser(schema);
+
+    SECTION("availableNodes")
+    {
+        std::set<std::string> expected;
+        boost::optional<boost::variant<dataPath_, schemaPath_>> arg{boost::none};
+        SECTION("cwd: /")
+        {
+            SECTION("arg: <none>")
+            {
+                expected = {"example:a", "example:b", "example:list", "example:twoKeyList", "second:a"};
+            }
+
+            SECTION("arg: example:a")
+            {
+                arg = dataPath_{Scope::Relative, {{module_{"example"}, container_{"a"}}}};
+                expected = {"example:a2", "example:listInCont"};
+            }
+
+            SECTION("arg: example:list")
+            {
+                arg = dataPath_{Scope::Relative, {{module_{"example"}, list_{"list"}}}};
+                expected = {"example:contInList"};
+            }
+
+            SECTION("arg: /example:a")
+            {
+                arg = dataPath_{Scope::Absolute, {{module_{"example"}, container_{"a"}}}};
+                expected = {"example:a2", "example:listInCont"};
+            }
+
+            SECTION("arg: /example:list")
+            {
+                arg = dataPath_{Scope::Absolute, {{module_{"example"}, list_{"list"}}}};
+                expected = {"example:contInList"};
+            }
+        }
+        SECTION("cwd: /example:a")
+        {
+            parser.changeNode({Scope::Relative, {{module_{"example"}, container_{"a"}}}});
+
+            SECTION("arg: <none>")
+            {
+                expected = {"example:a2", "example:listInCont"};
+            }
+
+            SECTION("arg: example:a2")
+            {
+                arg = dataPath_{Scope::Relative, {{container_{"a2"}}}};
+                expected = {"example:a3"};
+            }
+
+            SECTION("arg: example:listInCont")
+            {
+                arg = dataPath_{Scope::Relative, {{list_{"listInCont"}}}};
+            }
+
+            SECTION("arg: /example:a")
+            {
+                arg = dataPath_{Scope::Absolute, {{module_{"example"}, container_{"a"}}}};
+                expected = {"example:a2", "example:listInCont"};
+            }
+
+            SECTION("arg: /example:list")
+            {
+                arg = dataPath_{Scope::Absolute, {{module_{"example"}, list_{"list"}}}};
+                expected = {"example:contInList"};
+            }
+        }
+        SECTION("cwd: /example:list")
+        {
+            parser.changeNode({Scope::Relative, {{module_{"example"}, list_{"list"}}}});
+
+            SECTION("arg: <none>")
+            {
+                expected = {"example:contInList"};
+            }
+
+            SECTION("arg: example:contInList")
+            {
+                arg = dataPath_{Scope::Relative, {{container_{"contInList"}}}};
+            }
+
+            SECTION("arg: /example:a")
+            {
+                arg = dataPath_{Scope::Absolute, {{module_{"example"}, container_{"a"}}}};
+                expected = {"example:a2", "example:listInCont"};
+            }
+
+            SECTION("arg: /example:list")
+            {
+                arg = dataPath_{Scope::Absolute, {{module_{"example"}, list_{"list"}}}};
+                expected = {"example:contInList"};
+            }
+        }
+
+        REQUIRE(expected == parser.availableNodes(arg, Recursion::NonRecursive));
+    }
+}