Add testcases for path and path group support

Change-Id: I296de0e0cb30e0e25f6677a06bd04fe15c2fd015
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/src/test/.gitignore b/src/test/.gitignore
index 7e563b8..c1bc7de 100644
--- a/src/test/.gitignore
+++ b/src/test/.gitignore
@@ -1,2 +1,4 @@
 *.log
 *.trs
+/pathgentest
+/pathgentest.hpp
diff --git a/src/test/Makefile.am b/src/test/Makefile.am
index c44bffa..02772e7 100644
--- a/src/test/Makefile.am
+++ b/src/test/Makefile.am
@@ -11,3 +11,28 @@
 CLEANFILES =
 
 TESTS = $(check_PROGRAMS)
+
+check_PROGRAMS += pathgentest
+pathgentest_SOURCES = \
+	pathgentest.cpp
+pathgentest_CXXFLAGS = \
+	$(gtest_cflags)
+pathgentest_LDFLAGS = \
+	$(OESDK_TESTCASE_FLAGS)
+pathgentest_LDADD = \
+	${gtest_ldadd}
+
+BUILT_SOURCES += pathgentest.hpp
+CLEANFILES += pathgentest.hpp
+
+PATH_TEST_GEN_DEPS = \
+	templates/pathgentest.mako.hpp \
+	yaml/pathgentest
+
+pathgentest.hpp: $(PDMGEN) $(PATH_TEST_GEN_DEPS)
+	$(AM_V_GEN) $(PYTHON) $(PDMGEN) \
+		-t pathgentest.mako.hpp \
+		-p "${TEMPLATESEARCH}" \
+		-d yaml/pathgentest \
+		-o $(builddir)/$@ \
+		generate-cpp
diff --git a/src/test/pathgentest.cpp b/src/test/pathgentest.cpp
new file mode 100644
index 0000000..2199182
--- /dev/null
+++ b/src/test/pathgentest.cpp
@@ -0,0 +1,144 @@
+#include <array>
+#include <string>
+#include <gtest/gtest.h>
+#include "data_types.hpp"
+
+using namespace std::string_literals;
+using namespace phosphor::dbus::monitoring;
+using PathMeta = TupleOfRefs<const std::string, const std::string>;
+
+#include "pathgentest.hpp"
+
+const std::array<std::string, 3> expectedMeta =
+{
+    "path1"s,
+    "path3"s,
+    "path2"s,
+};
+
+const std::array<std::string, 6> expectedPaths =
+{
+    "/xyz/openbmc_project/testing/inst1"s,
+    "/xyz/openbmc_project/testing/inst2"s,
+    "/xyz/openbmc_project/testing/inst3"s,
+    "/xyz/openbmc_project/testing/inst4"s,
+    "/xyz/openbmc_project/testing/inst5"s,
+    "/xyz/openbmc_project/testing/inst6"s,
+};
+
+const std::array<PathMeta, 14> expectedPathMeta =
+{
+    {
+        PathMeta{ paths[0], meta[0] },
+        PathMeta{ paths[1], meta[0] },
+        PathMeta{ paths[2], meta[0] },
+        PathMeta{ paths[3], meta[0] },
+        PathMeta{ paths[0], meta[1] },
+        PathMeta{ paths[1], meta[1] },
+        PathMeta{ paths[2], meta[1] },
+        PathMeta{ paths[3], meta[1] },
+        PathMeta{ paths[4], meta[0] },
+        PathMeta{ paths[5], meta[0] },
+        PathMeta{ paths[3], meta[2] },
+        PathMeta{ paths[2], meta[2] },
+        PathMeta{ paths[1], meta[2] },
+        PathMeta{ paths[0], meta[2] },
+    }
+};
+
+const std::array<RefVector<const std::string>, 4> expectedGroups =
+{
+    {
+        {
+            paths[0],
+            paths[1],
+            paths[2],
+            paths[3],
+        },
+        {
+            paths[0],
+            paths[1],
+            paths[2],
+            paths[3],
+        },
+        {
+            paths[0],
+            paths[1],
+            paths[4],
+            paths[5],
+        },
+        {
+            paths[3],
+            paths[2],
+            paths[1],
+            paths[0],
+        },
+    }
+};
+
+TEST(PathGenTest, MetaSameSize)
+{
+    ASSERT_EQ(sizeof(expectedMeta), sizeof(meta));
+}
+
+TEST(PathGenTest, PathsSameSize)
+{
+    ASSERT_EQ(sizeof(expectedPaths), sizeof(paths));
+}
+
+TEST(PathGenTest, PathMetaSameSize)
+{
+    ASSERT_EQ(sizeof(expectedPathMeta), sizeof(pathMeta));
+}
+
+TEST(PathGenTest, GroupsSameSize)
+{
+    ASSERT_EQ(sizeof(expectedGroups), sizeof(groups));
+}
+
+TEST(PathGenTest, MetaSameContent)
+{
+    size_t i;
+    for (i = 0; i < expectedMeta.size(); ++i)
+    {
+        ASSERT_EQ(meta[i], expectedMeta[i]);
+    }
+}
+
+TEST(PathGenTest, PathsSameContent)
+{
+    size_t i;
+    for (i = 0; i < expectedPaths.size(); ++i)
+    {
+        ASSERT_EQ(paths[i], expectedPaths[i]);
+    }
+}
+
+TEST(PathGenTest, PathMetaSameContent)
+{
+    size_t i;
+    for (i = 0; i < expectedPathMeta.size(); ++i)
+    {
+        const auto& path = std::get<0>(pathMeta[i]).get();
+        const auto& expPath = std::get<0>(expectedPathMeta[i]).get();
+        const auto& meta = std::get<1>(pathMeta[i]).get();
+        const auto& expMeta = std::get<1>(expectedPathMeta[i]).get();
+
+        ASSERT_EQ(path, expPath);
+        ASSERT_EQ(meta, expMeta);
+    }
+}
+
+TEST(PathGenTest, GroupsSameContent)
+{
+    size_t i;
+    for (i = 0; i < expectedGroups.size(); ++i)
+    {
+        size_t j;
+        for (j = 0; j < groups[i].size(); ++j)
+        {
+            ASSERT_EQ(groups[i][j].get(), expectedGroups[i][j].get());
+
+        }
+    }
+}
diff --git a/src/test/templates/pathgentest.mako.hpp b/src/test/templates/pathgentest.mako.hpp
new file mode 100644
index 0000000..b217c56
--- /dev/null
+++ b/src/test/templates/pathgentest.mako.hpp
@@ -0,0 +1,28 @@
+const std::array<std::string, ${len(meta)}> meta = {
+% for m in meta:
+    "${m.name}"s,
+% endfor
+};
+
+const std::array<std::string, ${len(paths)}> paths = {
+% for p in paths:
+    "${p.name}"s,
+% endfor
+};
+
+const std::array<PathMeta, ${len(pathmeta)}> pathMeta = {{
+% for p in pathmeta:
+    PathMeta{ paths[${p.path}], meta[${p.meta}] },
+% endfor
+}};
+
+const std::array<RefVector<const std::string>, ${len(pathgroups)}> groups = {{
+% for g in pathgroups:
+    // ${g.name}
+    {
+        % for p in g.members:
+        paths[${p[0]}],
+        % endfor
+    },
+% endfor
+}};
diff --git a/src/test/yaml/pathgentest/groupone.yaml b/src/test/yaml/pathgentest/groupone.yaml
new file mode 100644
index 0000000..a4d5b57
--- /dev/null
+++ b/src/test/yaml/pathgentest/groupone.yaml
@@ -0,0 +1,28 @@
+# Validate paths are not duplicated when
+# they exist in multiple groups.
+
+- name: test path group
+  class: group
+  group: path
+  members:
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst1
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst2
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst3
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst4
+
+- name: test path group 2
+  class: group
+  group: path
+  members:
+    - meta: path3
+      path: /xyz/openbmc_project/testing/inst1
+    - meta: path3
+      path: /xyz/openbmc_project/testing/inst2
+    - meta: path3
+      path: /xyz/openbmc_project/testing/inst3
+    - meta: path3
+      path: /xyz/openbmc_project/testing/inst4
diff --git a/src/test/yaml/pathgentest/grouptwo.yaml b/src/test/yaml/pathgentest/grouptwo.yaml
new file mode 100644
index 0000000..911211e
--- /dev/null
+++ b/src/test/yaml/pathgentest/grouptwo.yaml
@@ -0,0 +1,30 @@
+# Validate paths are not duplicated when
+# they exist in multiple groups, and
+# validate the same name can be used
+# in different config files.
+
+- name: test path group
+  class: group
+  group: path
+  members:
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst1
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst2
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst5
+    - meta: path1
+      path: /xyz/openbmc_project/testing/inst6
+
+- name: test path group 2
+  class: group
+  group: path
+  members:
+    - meta: path2
+      path: /xyz/openbmc_project/testing/inst4
+    - meta: path2
+      path: /xyz/openbmc_project/testing/inst3
+    - meta: path2
+      path: /xyz/openbmc_project/testing/inst2
+    - meta: path2
+      path: /xyz/openbmc_project/testing/inst1