fix: panic when using default finder findRange (#543)

infrastructure/oss/range_finder.go

@@ -56,7 +56,7 @@ func findRange(issue ossIssue, path string, fileContent []byte) snyk.Range {
 			finder = &DefaultFinder{path: path, fileContent: fileContent, c: c}
 		}
 	default:
-		finder = &DefaultFinder{path: path, fileContent: fileContent}
+		finder = &DefaultFinder{path: path, fileContent: fileContent, c: c}
 	}
 
 	foundRange = finder.find(issue)

infrastructure/oss/range_finder_test.go

@@ -28,30 +28,34 @@ import (
 	"github.com/snyk/snyk-ls/internal/testutil"
 )
 
+func Test_DefaultFinder_FindRange(t *testing.T) {
+	issue, testPath, testContent := setupDefaultFinderEnvForTesting()
+	expectedRange := getExpectedRangeForDefaultFinderTests()
+
+	actualRange := findRange(issue, testPath, testContent)
+
+	assert.Equal(t, expectedRange, actualRange)
+}
+
 func TestDefaultFinder_Find(t *testing.T) {
 	c := testutil.UnitTest(t)
 	c.SetFormat(config.FormatHtml)
 
-	var issue = ossIssue{
-		Id:             "testIssue",
-		Name:           "SNYK-TEST-ISSUE-1",
-		Title:          "THOU SHALL NOT PASS",
-		Severity:       "1",
-		LineNumber:     0,
-		Description:    "Getting into Moria is an issue!",
-		References:     nil,
-		Version:        "",
-		PackageManager: "golang",
-		From:           []string{"goof@1.0.1", "github.com/gin-gonic/gin@1.4.0"},
-	}
-	var testPath, _ = filepath.Abs("testdata/go.mod")
-	var testContent, _ = os.ReadFile(testPath)
+	issue, testPath, testContent := setupDefaultFinderEnvForTesting()
+
 	defaultFinder := DefaultFinder{
 		path:        testPath,
 		fileContent: testContent,
 		c:           c,
 	}
 
+	expectedRange := getExpectedRangeForDefaultFinderTests()
+
+	actualRange := defaultFinder.find(issue)
+	assert.Equal(t, expectedRange, actualRange)
+}
+
+func getExpectedRangeForDefaultFinderTests() snyk.Range {
 	expectedRange := snyk.Range{
 		Start: snyk.Position{
 			Line:      9,
@@ -62,7 +66,23 @@ func TestDefaultFinder_Find(t *testing.T) {
 			Character: 32,
 		},
 	}
+	return expectedRange
+}
 
-	actualRange := defaultFinder.find(issue)
-	assert.Equal(t, expectedRange, actualRange)
+func setupDefaultFinderEnvForTesting() (ossIssue, string, []byte) {
+	var issue = ossIssue{
+		Id:             "testIssue",
+		Name:           "SNYK-TEST-ISSUE-1",
+		Title:          "THOU SHALL NOT PASS",
+		Severity:       "1",
+		LineNumber:     0,
+		Description:    "Getting into Moria is an issue!",
+		References:     nil,
+		Version:        "",
+		PackageManager: "golang",
+		From:           []string{"goof@1.0.1", "github.com/gin-gonic/gin@1.4.0"},
+	}
+	var testPath, _ = filepath.Abs("testdata/go.mod")
+	var testContent, _ = os.ReadFile(testPath)
+	return issue, testPath, testContent
 }