From 731063d5a064be5b0aa7c180ab0ab40d6147a049 Mon Sep 17 00:00:00 2001
From: Alfi Maulana <alfi.maulana.f@gmail.com>
Date: Thu, 23 May 2024 21:40:26 +0700
Subject: [PATCH] feat: handle string assertion if given variable instead of
 string (#45)

* feat: handle regular expression match assertions if given var

* feat: handle string equality assertions if given var
---
 cmake/Assertion.cmake          |  9 +++++
 test/cmake/AssertionTest.cmake | 66 +++++++++++++++++++++-------------
 2 files changed, 51 insertions(+), 24 deletions(-)

diff --git a/cmake/Assertion.cmake b/cmake/Assertion.cmake
index 54484b2..88039f7 100644
--- a/cmake/Assertion.cmake
+++ b/cmake/Assertion.cmake
@@ -44,8 +44,17 @@ function(assert)
       list(GET ARGUMENTS 2 RIGHT_VALUE)
 
       if(OPERATOR STREQUAL MATCHES)
+        if(DEFINED "${LEFT_VALUE}")
+          set(LEFT_VALUE "${${LEFT_VALUE}}")
+        endif()
         set(MESSAGE "expected string '${LEFT_VALUE}'${NOT_WORD} to match '${RIGHT_VALUE}'")
       elseif(OPERATOR STREQUAL STREQUAL)
+        if(DEFINED "${LEFT_VALUE}")
+          set(LEFT_VALUE "${${LEFT_VALUE}}")
+        endif()
+        if(DEFINED "${RIGHT_VALUE}")
+          set(RIGHT_VALUE "${${RIGHT_VALUE}}")
+        endif()
         set(MESSAGE "expected string '${LEFT_VALUE}'${NOT_WORD} to be equal to '${RIGHT_VALUE}'")
       endif()
     endif()
diff --git a/test/cmake/AssertionTest.cmake b/test/cmake/AssertionTest.cmake
index f9b8e2e..3392937 100644
--- a/test/cmake/AssertionTest.cmake
+++ b/test/cmake/AssertionTest.cmake
@@ -72,33 +72,51 @@ function("Directory path assertions")
 endfunction()
 
 function("Regular expression match assertions")
-  assert("some string" MATCHES "so.*ing")
-  assert(NOT "some string" MATCHES "so.*other.*ing")
-
-  mock_message()
-    assert("some string" MATCHES "so.*other.*ing")
-  end_mock_message()
-  assert_message(FATAL_ERROR "expected string 'some string' to match 'so.*other.*ing'")
-
-  mock_message()
-    assert(NOT "some string" MATCHES "so.*ing")
-  end_mock_message()
-  assert_message(FATAL_ERROR "expected string 'some string' not to match 'so.*ing'")
+  set(STRING_VAR "some string")
+
+  foreach(VALUE STRING_VAR "${STRING_VAR}")
+    assert("${VALUE}" MATCHES "so.*ing")
+    assert(NOT "${VALUE}" MATCHES "so.*other.*ing")
+
+    mock_message()
+      assert(NOT "${VALUE}" MATCHES "so.*ing")
+    end_mock_message()
+    assert_message(FATAL_ERROR "expected string 'some string' not to match 'so.*ing'")
+
+    mock_message()
+      assert("${VALUE}" MATCHES "so.*other.*ing")
+    end_mock_message()
+    assert_message(FATAL_ERROR "expected string 'some string' to match 'so.*other.*ing'")
+  endforeach()
 endfunction()
 
 function("String equality assertions")
-  assert("some string" STREQUAL "some string")
-  assert(NOT "some string" STREQUAL "some other string")
-
-  mock_message()
-    assert("some string" STREQUAL "some other string")
-  end_mock_message()
-  assert_message(FATAL_ERROR "expected string 'some string' to be equal to 'some other string'")
-
-  mock_message()
-    assert(NOT "some string" STREQUAL "some string")
-  end_mock_message()
-  assert_message(FATAL_ERROR "expected string 'some string' not to be equal to 'some string'")
+  set(STRING_VAR "some string")
+  set(OTHER_STRING_VAR "some other string")
+
+  foreach(LEFT_VALUE STRING_VAR "${STRING_VAR}")
+    foreach(RIGHT_VALUE STRING_VAR "${STRING_VAR}")
+      assert("${LEFT_VALUE}" STREQUAL "${RIGHT_VALUE}")
+    endforeach()
+
+    foreach(RIGHT_VALUE OTHER_STRING_VAR "${OTHER_STRING_VAR}")
+      assert(NOT "${LEFT_VALUE}" STREQUAL "${RIGHT_VALUE}")
+    endforeach()
+
+    foreach(RIGHT_VALUE OTHER_STRING_VAR "${OTHER_STRING_VAR}")
+      mock_message()
+        assert("${LEFT_VALUE}" STREQUAL "${RIGHT_VALUE}")
+      end_mock_message()
+      assert_message(FATAL_ERROR "expected string 'some string' to be equal to 'some other string'")
+    endforeach()
+
+    foreach(RIGHT_VALUE STRING_VAR "${STRING_VAR}")
+      mock_message()
+        assert(NOT "${LEFT_VALUE}" STREQUAL "${RIGHT_VALUE}")
+      end_mock_message()
+      assert_message(FATAL_ERROR "expected string 'some string' not to be equal to 'some string'")
+    endforeach()
+  endforeach()
 endfunction()
 
 function(call_sample_messages)