1 files changed, 68 insertions, 0 deletions
diff --git a/bootstrap/unit_test/ProgramToCompileInfoTest.hs b/bootstrap/unit_test/ProgramToCompileInfoTest.hs
new file mode 100644
index 0000000..f17a3df
--- /dev/null
+++ b/bootstrap/unit_test/ProgramToCompileInfoTest.hs
@@ -0,0 +1,68 @@
+module ProgramToCompileInfoTest
+  ( test
+  )
+where
+
+import           BuildModel                     ( CompileTimeInfo(..)
+                                                , Source(..)
+                                                , constructCompileTimeInfo
+                                                )
+import           Hedge                          ( Result
+                                                , Test
+                                                , assertEmpty
+                                                , assertEquals
+                                                , givenInput
+                                                , then'
+                                                , whenTransformed
+                                                )
+import           System.FilePath                ( (</>) )
+
+test :: IO (Test ())
+test = return $ givenInput
+  "a program and available modules"
+  (exampleProgram, availableModules)
+  [ whenTransformed
+      "its compileTimeInfo is determined"
+      doCompileTimeTransformation
+      [ then' "it still knows the original source file"    checkSourceFileName
+      , then' "it knows what object file will be produced" checkObjectFileName
+      , then' "there are no other files produced" checkOtherFilesProduced
+      , then' "the direct dependencies are only the available modules used"
+              checkDirectDependencies
+      ]
+  ]
+
+exampleProgram :: Source
+exampleProgram = Program
+  { programSourceFileName = programSourceFileName'
+  , programObjectFileName = \bd -> bd </> "some_file_somewhere.f90.o"
+  , programModulesUsed    = ["module1", "module2", "module3"]
+  }
+
+programSourceFileName' :: FilePath
+programSourceFileName' = "some" </> "file" </> "somewhere.f90"
+
+availableModules :: [String]
+availableModules = ["module1", "module3"]
+
+doCompileTimeTransformation :: (Source, [String]) -> CompileTimeInfo
+doCompileTimeTransformation (programSource, otherSources) =
+  constructCompileTimeInfo programSource otherSources "build_dir"
+
+checkSourceFileName :: CompileTimeInfo -> Result
+checkSourceFileName cti =
+  assertEquals programSourceFileName' (compileTimeInfoSourceFileName cti)
+
+checkObjectFileName :: CompileTimeInfo -> Result
+checkObjectFileName cti = assertEquals
+  ("build_dir" </> "some_file_somewhere.f90.o")
+  (compileTimeInfoObjectFileProduced cti)
+
+checkOtherFilesProduced :: CompileTimeInfo -> Result
+checkOtherFilesProduced cti =
+  assertEmpty (compileTimeInfoOtherFilesProduced cti)
+
+checkDirectDependencies :: CompileTimeInfo -> Result
+checkDirectDependencies cti = assertEquals
+  ["build_dir" </> "module1.mod", "build_dir" </> "module3.mod"]
+  (compileTimeInfoDirectDependencies cti)