Test adding a new file to a package

Author: rentziass

patrol/patrol_test.go

@@ -52,7 +52,7 @@ func (test *RepoTest) Run(t *testing.T) {
 	versions, err := os.ReadDir(commitsDir)
 	require.NoError(t, err)
 
-	var revisions []string
+	var previousCommit string
 
 	for i, v := range versions {
 		// copy all files from a "commit"
@@ -75,15 +75,17 @@ func (test *RepoTest) Run(t *testing.T) {
 		})
 		require.NoError(t, err)
 
-		revisions = append(revisions, commit.String())
-	}
+		if previousCommit != "" {
+			r, err := patrol.NewRepo(tmp)
+			require.NoError(t, err)
 
-	r, err := patrol.NewRepo(tmp)
-	require.NoError(t, err)
+			changes, err := r.ChangesFrom(previousCommit)
+			require.NoError(t, err)
+			assert.Equal(t, test.ExpectedChangedPackages, changes, test.Name+": expected changes do not match")
+		}
 
-	changes, err := r.ChangesFrom(revisions[0])
-	require.NoError(t, err)
-	assert.Equal(t, test.ExpectedChangedPackages, changes, test.Name+": expected changes do not match")
+		previousCommit = commit.String()
+	}
 }
 
 type RepoTests []RepoTest

patrol/testdata/internalchange/commits/3/go.mod

@@ -0,0 +1,3 @@
+module github.com/utilitywarehouse/internalchange
+
+go 1.17

patrol/testdata/internalchange/commits/3/internal/bar/bar.go

@@ -0,0 +1,7 @@
+package bar
+
+type Bar struct{}
+
+func New() *Bar {
+	return &Bar{}
+}

patrol/testdata/internalchange/commits/3/internal/bar/other.go

@@ -0,0 +1,3 @@
+package bar
+
+type Other struct{}

patrol/testdata/internalchange/commits/3/pkg/foo/foo.go

@@ -0,0 +1,7 @@
+package foo
+
+import "github.com/utilitywarehouse/internalchange/internal/bar"
+
+type Foo struct {
+	Bar bar.Bar
+}