1 files changed, 37 insertions, 0 deletions
diff --git a/bootstrap/unit_test/SubmoduleSourceConstructionTest.hs b/bootstrap/unit_test/SubmoduleSourceConstructionTest.hs
new file mode 100644
index 0000000..96492fb
--- /dev/null
+++ b/bootstrap/unit_test/SubmoduleSourceConstructionTest.hs
@@ -0,0 +1,37 @@
+module SubmoduleSourceConstructionTest
+  ( test
+  )
+where
+
+import           BuildModel                     ( RawSource(..)
+                                                , Source(..)
+                                                , processRawSource
+                                                )
+import           Hedge                          ( Result
+                                                , Test
+                                                , assertThat
+                                                , givenInput
+                                                , then'
+                                                , whenTransformed
+                                                )
+import           System.FilePath                ( (</>) )
+
+test :: IO (Test ())
+test = return $ givenInput
+  "a submodule"
+  exampleSubmodule
+  [ whenTransformed "processed to a source"
+                    processRawSource
+                    [then' "it is a Submodule" checkIsSubmodule]
+  ]
+
+exampleSubmodule :: RawSource
+exampleSubmodule = RawSource submoduleSourceFileName'
+  $ unlines ["submodule (some_module:parent) child", "end submodule"]
+
+submoduleSourceFileName' :: String
+submoduleSourceFileName' = "some" </> "file" </> "somewhere.f90"
+
+checkIsSubmodule :: Source -> Result
+checkIsSubmodule Submodule{} = assertThat True
+checkIsSubmodule _           = assertThat False