Update/improve stack.yaml parser tests

Author: erikd

test/cli/parse-stack-config/data/stack-0005.yaml

@@ -0,0 +1,23 @@
+resolver: lts-11.13
+flags: {}
+extra-deps: []
+extra-package-dbs: []
+
+packages:
+  - '.'
+
+  - location:
+      git: https://github.com/well-typed/cborg
+      commit: c7db82bfd93923f5b08ed51a4cd53e30bd445924
+    subdirs:
+    - cborg
+    extra-dep: true
+
+  - location:
+      git: https://github.com/input-output-hk/engine.io.git
+      commit: d3c55f51bb81cee7d0d551de930ce65fe7d76756
+    extra-dep: true
+    subdirs:
+      - socket-io
+      - engine-io
+      - engine-io-wai

test/cli/parse-stack-config/expected/stack-0002.json

@@ -6,13 +6,19 @@
             "location": {
                 "git": "https://github.com/well-typed/cborg",
                 "commit": "c7db82bfd93923f5b08ed51a4cd53e30bd445924"
-            }
+            },
+            "subdirs": [
+                "cborg"
+            ],
+            "extra-dep": true
         },
         {
             "location": {
                 "git": "https://github.com/thoughtpolice/hs-ed25519",
                 "commit": "da4247b5b3420120e20451e6a252e2a2ca15b43c"
-            }
+            },
+            "subdirs": [],
+            "extra-dep": true
         }
     ],
     "extra-deps": [

test/cli/parse-stack-config/expected/stack-0005.json

@@ -0,0 +1,29 @@
+{
+    "packages": [
+        ".",
+        {
+            "location": {
+                "git": "https://github.com/well-typed/cborg",
+                "commit": "c7db82bfd93923f5b08ed51a4cd53e30bd445924"
+            },
+            "subdirs": [
+                "cborg"
+            ],
+            "extra-dep": true
+        },
+        {
+            "location": {
+                "git": "https://github.com/input-output-hk/engine.io.git",
+                "commit": "d3c55f51bb81cee7d0d551de930ce65fe7d76756"
+            },
+            "subdirs": [
+                "socket-io",
+                "engine-io",
+                "engine-io-wai"
+            ],
+            "extra-dep": true
+        }
+    ],
+    "extra-deps": [],
+    "resolver": "lts-11.13"
+}