Fix line endings bug on Windows

This commit allows to properly parse package names, 
regardless of line endings (`\r\n` or `\n`) used in the 
`go.mod` file.

.gitattributes

@@ -0,0 +1,2 @@
+* text=auto eol=lf
+*.golden text eol=lf

.github/workflows/test.yml

@@ -7,7 +7,10 @@ on:
 jobs:
   test:
     name: Test
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - name: Set up Go 1.17
         uses: actions/setup-go@v1
@@ -17,9 +20,10 @@ jobs:
         uses: actions/checkout@v2
       - name: Install go-task
         uses: arduino/setup-task@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run tests
         run: task test
       - uses: codecov/codecov-action@v2
         with:
           files: ./coverage.out
-

internal/gocovshtest/errors_test.go

@@ -1,13 +1,16 @@
 package gocovshtest
 
 import (
+	"runtime"
 	"testing"
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/sebdah/goldie/v2"
 	"github.com/stretchr/testify/require"
 )
 
+func isWindows() bool { return runtime.GOOS == "windows" }
+
 func TestErrorFlows(t *testing.T) {
 	g := goldie.New(t, goldie.WithFixtureDir("testdata/errors"))
 
@@ -27,7 +30,11 @@ func TestErrorFlows(t *testing.T) {
 		mm, cmd = mt.sendErrorMsg(initMsg)
 		require.NotNil(t, mm)
 		require.Nil(t, cmd)
-		g.Assert(t, "error_flows_missing_coverage_file", []byte(mm.View()))
+		if isWindows() {
+			g.Assert(t, "error_flows_missing_coverage_file_windows", []byte(mm.View()))
+		} else {
+			g.Assert(t, "error_flows_missing_coverage_file", []byte(mm.View()))
+		}
 
 		mm, cmd = mt.sendLetterKey('f')
 		require.NotNil(t, mm)
@@ -54,7 +61,11 @@ func TestErrorFlows(t *testing.T) {
 		mm, cmd = mt.sendErrorMsg(initMsg)
 		require.NotNil(t, mm)
 		require.Nil(t, cmd)
-		g.Assert(t, "error_flows_missing_go.mod_file", []byte(mm.View()))
+		if isWindows() {
+			g.Assert(t, "error_flows_missing_go.mod_file_windows", []byte(mm.View()))
+		} else {
+			g.Assert(t, "error_flows_missing_go.mod_file", []byte(mm.View()))
+		}
 	})
 
 	t.Run("invalid coverage file", func(t *testing.T) {
@@ -122,7 +133,11 @@ func TestErrorFlows(t *testing.T) {
 		mm, cmd = mt.sendErrorMsg(errMsg)
 		require.NotNil(t, mm)
 		require.Nil(t, cmd)
-		g.Assert(t, "error_flows_missing_source_file", []byte(mm.View()))
+		if isWindows() {
+			g.Assert(t, "error_flows_missing_source_file_windows", []byte(mm.View()))
+		} else {
+			g.Assert(t, "error_flows_missing_source_file", []byte(mm.View()))
+		}
 	})
 
 	t.Run("invalid go.mod", func(t *testing.T) {

internal/gocovshtest/testdata/general/error_flows_invalid_coverage_file.golden → internal/gocovshtest/testdata/errors/error_flows_missing_coverage_file_windows.golden

@@ -3,9 +3,9 @@
 
  Requested coverage profile is not found.                                  
  By default, "coverage.out" is used. For other names, use "--profile" flag.
-
- The original error was:                                       
- open testdata/general/missing.cover: no such file or directory
+                                                                                
+ The original error was:                                                        
+ open testdata/general/missing.cover: The system cannot find the file specified.
 
  Press any key to exit 
 

internal/gocovshtest/testdata/errors/error_flows_missing_go.mod_file_windows.golden

@@ -0,0 +1,11 @@
+
+ go.mod file is not available
+
+ This program must be executed from Go project root.       
+ Run the program from the folder that contains go.mod file.
+
+ The original error was:                                                                                     
+ failed to determine package name: open testdata/no-go.mod/go.mod: The system cannot find the path specified.
+
+ Press any key to exit 
+

internal/gocovshtest/testdata/errors/error_flows_missing_source_file_windows.golden

@@ -0,0 +1,11 @@
+
+ Source code file not found
+
+ A file that appears in the coverage report was not found in the file tree.
+ Update the coverage report and try again.                                 
+
+ The original error was:                                                         
+ open testdata/errors/invalid_file.go: The system cannot find the file specified.
+
+ Press any key to exit 
+

internal/model/model.go

@@ -327,7 +327,9 @@ func determinePackageName(gomodFile string) (string, error) {
 		return "", errGoModNotFound{err}
 	}
 
-	matches := modulePattern.FindStringSubmatch(string(bs))
+	content := strings.ReplaceAll(string(bs), "\r\n", "\n")
+	matches := modulePattern.FindStringSubmatch(content)
+
 	if len(matches) == 0 {
 		return "", errInvalidGoMod{}
 	}

internal/program/program_test.go

@@ -5,6 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"runtime"
 	"testing"
 	"time"
 
@@ -55,4 +56,9 @@ func TestLogger(t *testing.T) {
 	logs, err := os.ReadFile(f.Name())
 	require.NoError(t, err)
 	require.Contains(t, string(logs), "logging to")
+
+	if runtime.GOOS == "windows" {
+		// https://github.com/docker/compose/issues/8186#issuecomment-814180124
+		t.Log("Workaround for containerd/console bug")
+	}
 }