cli: accommodate new dependency check

src/build/__main__.py

@@ -55,7 +55,15 @@ def _build_in_current_env(builder, outdir, distributions, skip_dependencies=Fals
         if not skip_dependencies:
             missing = builder.check_dependencies(dist)
             if missing:
-                _error('Missing dependencies:' + ''.join(['\n\t' + dep for dep in missing]))
+                _error(
+                    'Unsatisfied dependencies:'
+                    + ''.join(
+                        [
+                            '\n\t' + (build_dep if build_dep == other_dep else '{}: {}'.format(build_dep, other_dep))
+                            for build_dep, other_dep in missing
+                        ]
+                    )
+                )
 
         builder.build(dist, outdir)
 

tests/test_main.py

@@ -120,16 +120,22 @@ def test_build_no_isolation_check_deps_empty(mocker, test_flit_path):
     build_cmd.assert_called_with('sdist', '.')
 
 
-def test_build_no_isolation_with_check_deps(mocker, test_flit_path):
-    # check_dependencies = ['something']
+@pytest.mark.parametrize(
+    ['unmet_dependencies', 'output'],
+    [
+        ([('something', 'something')], '\n\tsomething'),
+        ([('something', 'something'), ('something', 'something_else')], '\n\tsomething\n\tsomething: something_else'),
+    ],
+)
+def test_build_no_isolation_with_check_deps(mocker, test_flit_path, unmet_dependencies, output):
     error = mocker.patch('build.__main__._error')
     build_cmd = mocker.patch('build.ProjectBuilder.build')
-    mocker.patch('build.ProjectBuilder.check_dependencies', return_value=['something'])
+    mocker.patch('build.ProjectBuilder.check_dependencies', return_value=unmet_dependencies)
 
     build.__main__.build_package(test_flit_path, '.', ['sdist'], isolation=False)
 
     build_cmd.assert_called_with('sdist', '.')
-    error.assert_called_with('Missing dependencies:\n\tsomething')
+    error.assert_called_with('Unsatisfied dependencies:' + output)
 
 
 @pytest.mark.isolated