git: add GetDivergingCommits test

Author: oliverpool

modules/git/repo_test.go

@@ -4,6 +4,7 @@
 package git
 
 import (
+	"context"
 	"path/filepath"
 	"testing"
 
@@ -29,3 +30,27 @@ func TestRepoIsEmpty(t *testing.T) {
 	assert.NoError(t, err)
 	assert.True(t, isEmpty)
 }
+
+func TestRepoGetDivergingCommits(t *testing.T) {
+	bareRepo1Path := filepath.Join(testReposDir, "repo1_bare")
+	do, err := GetDivergingCommits(context.Background(), bareRepo1Path, "master", "branch2")
+	assert.NoError(t, err)
+	assert.Equal(t, DivergeObject{
+		Ahead:  1,
+		Behind: 5,
+	}, do)
+
+	do, err = GetDivergingCommits(context.Background(), bareRepo1Path, "master", "master")
+	assert.NoError(t, err)
+	assert.Equal(t, DivergeObject{
+		Ahead:  0,
+		Behind: 0,
+	}, do)
+
+	do, err = GetDivergingCommits(context.Background(), bareRepo1Path, "master", "test")
+	assert.NoError(t, err)
+	assert.Equal(t, DivergeObject{
+		Ahead:  0,
+		Behind: 2,
+	}, do)
+}