feat(report): show file coverage with uncovered lines (#237)

Author: deniskorbakov

pkg/testcoverage/report.go

@@ -77,11 +77,12 @@ func reportUncoveredLines(w io.Writer, result AnalyzeResult) {
 	defer tabber.Flush()
 
 	fmt.Fprintf(tabber, "\nFiles with uncovered lines:")
-	fmt.Fprintf(tabber, "\n  file:\tuncovered lines:")
+	fmt.Fprintf(tabber, "\n  file:\tcoverage:\tuncovered lines:")
 
 	for _, stats := range result.FilesWithUncoveredLines {
 		if len(stats.UncoveredLines) > 0 {
 			fmt.Fprintf(tabber, "\n  %s\t", stats.Name)
+			fmt.Fprintf(tabber, "%v%%\t", stats.CoveredPercentageF())
 			compressUncoveredLines(tabber, stats.UncoveredLines)
 		}
 	}

pkg/testcoverage/report_test.go

@@ -413,11 +413,15 @@ func Test_ReportUncoveredLines(t *testing.T) {
 		FilesWithUncoveredLines: []coverage.Stats{
 			{Name: "a.go", UncoveredLines: []int{1, 2, 3}},
 			{Name: "b.go", UncoveredLines: []int{3, 5, 7}},
+			{Name: "c.go", UncoveredLines: []int{1, 4, 10}, Covered: 20, Total: 100},
+			{Name: "d.go", UncoveredLines: []int{7, 8, 9}, Covered: 18, Total: 88},
 		},
 	})
 	assertHasUncoveredLinesInfo(t, buf.String(), []string{
-		"a.go\t\t1-3\n",
-		"b.go\t\t3 5 7\n",
+		"a.go\t\t0%\t\t1-3\n",
+		"b.go\t\t0%\t\t3 5 7\n",
+		"c.go\t\t20%\t\t1 4 10\n",
+		"d.go\t\t20.5%\t\t7-9\n",
 	})
 
 	// when result passes, there should be no output