TemplateCharReplace: fix failing testcase and add more

This fix the failing test and adds a couple more
tests.

Tested:
Test cases pass

Change-Id: I39435c7f938da007826682d17a670609ccc4704d
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/test/test_entity-manager.cpp b/test/test_entity-manager.cpp
index 653a982..7dc1c72 100644
--- a/test/test_entity-manager.cpp
+++ b/test/test_entity-manager.cpp
@@ -45,9 +45,6 @@
     EXPECT_EQ(expected, j["foo"]);
 }
 
-/*
-TODO This should work
-
 TEST(TemplateCharReplace, replaceMiddleStr)
 {
     nlohmann::json j = {{"foo", "the $TEST worked"}};
@@ -60,7 +57,6 @@
     nlohmann::json expected = "the Test worked";
     EXPECT_EQ(expected, j["foo"]);
 }
-*/
 
 TEST(TemplateCharReplace, replaceLastStr)
 {
@@ -138,4 +134,45 @@
 
     nlohmann::json expected = "4 / 2 equals 2";
     EXPECT_EQ(expected, j["foo"]);
+}
+
+TEST(TemplateCharReplace, multiMath)
+{
+    nlohmann::json j = {{"foo", "4 * 2 % 6 equals $TEST * 2 % 6"}};
+    auto it = j.begin();
+    boost::container::flat_map<std::string, BasicVariantType> data;
+    data["TEST"] = 4;
+
+    templateCharReplace(it, data, 0);
+
+    nlohmann::json expected = "4 * 2 % 6 equals 2";
+    EXPECT_EQ(expected, j["foo"]);
+}
+
+TEST(TemplateCharReplace, twoReplacements)
+{
+    nlohmann::json j = {{"foo", "$FOO $BAR"}};
+    auto it = j.begin();
+    boost::container::flat_map<std::string, BasicVariantType> data;
+    data["FOO"] = std::string("foo");
+    data["BAR"] = std::string("bar");
+
+    templateCharReplace(it, data, 0);
+
+    nlohmann::json expected = "foo bar";
+    EXPECT_EQ(expected, j["foo"]);
+}
+
+TEST(TemplateCharReplace, twoReplacementsWithMath)
+{
+    nlohmann::json j = {{"foo", "4 / 2 equals $TEST / 2 $BAR"}};
+    auto it = j.begin();
+    boost::container::flat_map<std::string, BasicVariantType> data;
+    data["TEST"] = 4;
+    data["BAR"] = std::string("bar");
+
+    templateCharReplace(it, data, 0);
+
+    nlohmann::json expected = "4 / 2 equals 2 bar";
+    EXPECT_EQ(expected, j["foo"]);
 }
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