1 files changed, 53 insertions, 0 deletions
diff --git a/commands/patch/apply_test.go b/commands/patch/apply_test.go
new file mode 100644
index 00000000..12a87c76
--- /dev/null
+++ b/commands/patch/apply_test.go
@@ -0,0 +1,53 @@
+package patch
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestPatchApply_ProposeName(t *testing.T) {
+	tests := []struct {
+		name     string
+		exist    []string
+		subjects []string
+		want     []string
+	}{
+		{
+			name:  "base case",
+			exist: nil,
+			subjects: []string{
+				"[PATCH aerc v3 3/3] notmuch: remove unused code",
+				"[PATCH aerc v3 2/3] notmuch: replace notmuch library with internal bindings",
+				"[PATCH aerc v3 1/3] notmuch: add notmuch bindings",
+			},
+			want: []string{"notmuch_v3"},
+		},
+		{
+			name:  "distorted case",
+			exist: nil,
+			subjects: []string{
+				"[PATCH vaerc v3 3/3] notmuch: remove unused code",
+				"[PATCH aerc 3v 2/3] notmuch: replace notmuch library with internal bindings",
+			},
+			want: []string{"notmuch_v1", "notmuch_v3"},
+		},
+		{
+			name:  "invalid patches",
+			exist: nil,
+			subjects: []string{
+				"notmuch: remove unused code",
+				": replace notmuch library with internal bindings",
+			},
+			want: nil,
+		},
+	}
+
+	for _, test := range tests {
+		got := proposePatchName(test.exist, test.subjects)
+		if !reflect.DeepEqual(got, test.want) {
+			t.Errorf("test '%s' failed to propose the correct "+
+				"name: got '%v', but want '%v'", test.name,
+				got, test.want)
+		}
+	}
+}