add empty test funcs

Author: vladopajic

pkg/testcoverage/check_test.go

@@ -265,6 +265,16 @@ func TestCheck(t *testing.T) {
 		assert.Error(t, err)
 		assert.Contains(t, err.Error(), "failed to load base coverage breakdown")
 	})
+
+	t.Run("valid profile - diff pass", func(t *testing.T) {
+		t.Parallel()
+		// add test
+	})
+
+	t.Run("valid profile - diff fail", func(t *testing.T) {
+		t.Parallel()
+		// add test
+	})
 }
 
 //nolint:paralleltest // must not be parallel because it uses env
@@ -450,6 +460,21 @@ func Test_Analyze(t *testing.T) {
 		assert.False(t, result.Pass())
 		assertPrefix(t, result, prefix, true)
 	})
+
+	t.Run("diff stats", func(t *testing.T) {
+		t.Parallel()
+		// add test
+	})
+
+	t.Run("diff below threshold", func(t *testing.T) {
+		t.Parallel()
+		// add test
+	})
+
+	t.Run("diff above threshold", func(t *testing.T) {
+		t.Parallel()
+		// add test
+	})
 }
 
 func TestLoadBaseCoverageBreakdown(t *testing.T) {

pkg/testcoverage/helpers_test.go

@@ -3,6 +3,7 @@ package testcoverage_test
 import (
 	crand "crypto/rand"
 	"encoding/hex"
+	"fmt"
 	"math/rand"
 	"os"
 	"strings"
@@ -193,6 +194,20 @@ func assertNoUncoveredLinesInfo(t *testing.T, content string) {
 	assert.Empty(t, uncoveredReport)
 }
 
+func assertDiffNoChange(t *testing.T, content string) {
+	t.Helper()
+
+	assert.Contains(t, content, "No coverage changes in any files compared to the base")
+}
+
+func assertDiffChange(t *testing.T, content string, lines int) {
+	t.Helper()
+
+	//nolint:lll //relax
+	str := fmt.Sprintf("Test coverage has changed in the current files, with %d lines missing coverage", lines)
+	assert.Contains(t, content, str)
+}
+
 func assertGithubActionErrorsCount(t *testing.T, content string, count int) {
 	t.Helper()
 

pkg/testcoverage/report_test.go

@@ -25,6 +25,7 @@ func Test_ReportForHuman(t *testing.T) {
 
 		buf := &bytes.Buffer{}
 		ReportForHuman(buf, AnalyzeResult{Threshold: thr, TotalStats: coverage.Stats{}})
+
 		assertHumanReport(t, buf.String(), 3, 0)
 		assertNoUncoveredLinesInfo(t, buf.String())
 	})
@@ -34,6 +35,7 @@ func Test_ReportForHuman(t *testing.T) {
 
 		buf := &bytes.Buffer{}
 		ReportForHuman(buf, AnalyzeResult{Threshold: thr, TotalStats: coverage.Stats{Total: 1}})
+
 		assertHumanReport(t, buf.String(), 2, 1)
 		assertNoUncoveredLinesInfo(t, buf.String())
 	})
@@ -48,6 +50,7 @@ func Test_ReportForHuman(t *testing.T) {
 		allStats := mergeStats(statsWithError, statsNoError)
 		result := Analyze(cfg, allStats, nil)
 		ReportForHuman(buf, result)
+
 		headReport, uncoveredReport := splitReport(t, buf.String())
 		assertHumanReport(t, headReport, 0, 1)
 		assertContainStats(t, headReport, statsWithError)
@@ -70,6 +73,7 @@ func Test_ReportForHuman(t *testing.T) {
 		allStats := mergeStats(statsWithError, statsNoError)
 		result := Analyze(cfg, allStats, nil)
 		ReportForHuman(buf, result)
+
 		headReport, uncoveredReport := splitReport(t, buf.String())
 		assertHumanReport(t, headReport, 0, 1)
 		assertContainStats(t, headReport, MakePackageStats(statsWithError))
@@ -83,6 +87,12 @@ func Test_ReportForHuman(t *testing.T) {
 			coverage.StatsPluckName(coverage.StatsFilterWithCoveredLines(allStats)),
 		)
 	})
+}
+
+func Test_ReportForHumanDiff(t *testing.T) {
+	t.Parallel()
+
+	const prefix = "organization.org"
 
 	t.Run("diff - no change", func(t *testing.T) {
 		t.Parallel()
@@ -94,7 +104,7 @@ func Test_ReportForHuman(t *testing.T) {
 		result := Analyze(cfg, stats, stats)
 		ReportForHuman(buf, result)
 
-		assert.Contains(t, buf.String(), "No coverage changes in any files compared to the base")
+		assertDiffNoChange(t, buf.String())
 	})
 
 	t.Run("diff - has change", func(t *testing.T) {
@@ -113,16 +123,24 @@ func Test_ReportForHuman(t *testing.T) {
 		result := Analyze(cfg, stats, base)
 		ReportForHuman(buf, result)
 
-		assert.Contains(t, buf.String(),
-			"Test coverage has changed in the current files, with 2 lines missing coverage",
-		)
+		assertDiffChange(t, buf.String(), 2)
+	})
+
+	t.Run("diff - threshold failed", func(t *testing.T) {
+		t.Parallel()
+		// add test
+	})
+
+	t.Run("diff - threshold pass", func(t *testing.T) {
+		t.Parallel()
+		// add test
 	})
 }
 
 func Test_ReportForGithubAction(t *testing.T) {
 	t.Parallel()
 
-	prefix := "organization.org/pkg/"
+	const prefix = "organization.org/pkg/"
 
 	t.Run("total coverage - pass", func(t *testing.T) {
 		t.Parallel()