Show unsatisfied requirements in view (#5)

src/packse/view.py

@@ -57,10 +57,12 @@ def render_package_versions(
         versions = scenario.packages[package].versions
 
         pointers = [tee] * (len(versions) - 1) + [last]
+        satisfied = False
         for pointer, version in zip(pointers, versions):
             if for_requirement and not for_requirement.specifier.contains(version):
                 continue
 
+            satisfied = True
             message = "satisfied by " if for_requirement else ""
             yield prefix + pointer + message + f"{package}-{version}"
 
@@ -69,6 +71,9 @@ def render_package_versions(
                 package, version, prefix=prefix + extension
             )
 
+        if for_requirement and not satisfied:
+            yield prefix + last + "unsatisfied"
+
     def render_requirements_for(package: str, version: str, prefix: str = ""):
         requirements = list(scenario.packages[package].versions[version].requires)
 
@@ -84,6 +89,8 @@ def render_requirements_for(package: str, version: str, prefix: str = ""):
                     prefix=prefix + extension,
                     for_requirement=parsed_requirement,
                 )
+            else:
+                yield prefix + space + last + "unsatisfied"
 
     for line in render_package_versions(scenario.root):
         buffer += line + "\n"

tests/__snapshots__/test_scenarios.ambr

@@ -76,6 +76,7 @@
       requires-does-not-exist-6ea3a390
       └── a-1.0.0
           └── requires b
+              └── unsatisfied
 
 
     ''',