Add unit-tests coverage for dup_pattern checker (#43)

* Change library for golden files

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/kr/text v0.2.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pkg/errors v0.9.1
+	github.com/sebdah/goldie/v2 v2.3.0
 	github.com/sergi/go-diff v1.1.0 // indirect
 	github.com/sirupsen/logrus v1.4.2
 	github.com/spf13/afero v1.2.2

go.sum

@@ -61,6 +61,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sebdah/goldie/v2 v2.3.0 h1:qOrofCLbWLjF2PDEL/BueSdFC8V8VyRKccKmqf/89ws=
+github.com/sebdah/goldie/v2 v2.3.0/go.mod h1:oZ9fp0+se1eapSRjfYbsV/0Hqhbuu3bJVvKI/NNtssI=
 github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=

internal/check/duplicated_pattern.go

@@ -36,16 +36,16 @@ func (d *DuplicatedPattern) Check(ctx context.Context, in Input) (Output, error)
 
 	for name, entries := range patterns {
 		if len(entries) > 1 {
-			msg := fmt.Sprintf("Pattern %q is defined %d times in lines: \n%s", name, len(entries), ListFormatFunc(entries))
+			msg := fmt.Sprintf("Pattern %q is defined %d times in lines: \n%s", name, len(entries), d.listFormatFunc(entries))
 			output.ReportIssue(msg)
 		}
 	}
 
 	return output, nil
 }
 
-// ListFormatFunc is a basic formatter that outputs a bullet point list of the pattern.
-func ListFormatFunc(es []codeowners.Entry) string {
+// listFormatFunc is a basic formatter that outputs a bullet point list of the pattern.
+func (d *DuplicatedPattern) listFormatFunc(es []codeowners.Entry) string {
 	points := make([]string, len(es))
 	for i, err := range es {
 		points[i] = fmt.Sprintf("            * %d: with owners: %s", err.LineNo, err.Owners)

internal/check/duplicated_pattern_test.go

@@ -0,0 +1,65 @@
+package check_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/mszostok/codeowners-validator/internal/check"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDuplicatedPattern(t *testing.T) {
+	tests := map[string]struct {
+		codeownersInput string
+		expectedIssues  []check.Issue
+	}{
+		"Should report info about duplicated entries": {
+			codeownersInput: `
+					*       @global-owner1 @global-owner2
+					
+					/build/logs/ @doctocat
+					/build/logs/ @doctocat
+
+					/script @mszostok
+					/script m.t@g.com
+			`,
+			expectedIssues: []check.Issue{
+				{
+					Severity: check.Error,
+					LineNo:   nil,
+					Message: `Pattern "/build/logs/" is defined 2 times in lines: 
+            * 4: with owners: [@doctocat]
+            * 5: with owners: [@doctocat]`,
+				},
+				{
+					Severity: check.Error,
+					LineNo:   nil,
+					Message: `Pattern "/script" is defined 2 times in lines: 
+            * 7: with owners: [@mszostok]
+            * 8: with owners: [m.t@g.com]`,
+				},
+			},
+		},
+		"Should not report any issues with correct CODEOWNERS file": {
+			codeownersInput: validCODEOWNERS,
+			expectedIssues:  nil,
+		},
+	}
+
+	for tn, tc := range tests {
+		t.Run(tn, func(t *testing.T) {
+			// given
+			sut := check.NewDuplicatedPattern()
+
+			// when
+			out, err := sut.Check(context.TODO(), loadInput(tc.codeownersInput))
+
+			// then
+			require.NoError(t, err)
+			assert.ElementsMatch(t, tc.expectedIssues, out.Issues)
+		})
+	}
+
+}

internal/check/helpers_test.go

@@ -0,0 +1,30 @@
+package check_test
+
+import (
+	"strings"
+
+	"github.com/mszostok/codeowners-validator/internal/check"
+	"github.com/mszostok/codeowners-validator/pkg/codeowners"
+)
+
+var validCODEOWNERS = `
+		# These owners will be the default owners for everything
+		*       @global-owner1 @global-owner2
+
+		# js owner
+		*.js    @js-owner
+
+		*.go docs@example.com
+
+		/build/logs/ @doctocat
+
+		/script m.t@g.com
+`
+
+func loadInput(in string) check.Input {
+	r := strings.NewReader(in)
+
+	return check.Input{
+		CodeownerEntries: codeowners.ParseCodeowners(r),
+	}
+}

internal/context/check_test.go

@@ -0,0 +1,34 @@
+package context_test
+
+import (
+	"context"
+	"testing"
+
+	contextutil "github.com/mszostok/codeowners-validator/internal/context"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestShouldExit(t *testing.T) {
+	t.Run("Should notify about exit if context is canceled", func(t *testing.T) {
+		// given
+		ctx, cancel := context.WithCancel(context.Background())
+
+		// when
+		cancel()
+		shouldExit := contextutil.ShouldExit(ctx)
+
+		// then
+		assert.True(t, shouldExit)
+	})
+
+	t.Run("Should return false if context is not canceled", func(t *testing.T) {
+		// given
+		ctx := context.Background()
+
+		// when
+		shouldExit := contextutil.ShouldExit(ctx)
+
+		// then
+		assert.False(t, shouldExit)
+	})
+}

internal/envconfig/envconfig_test.go

@@ -0,0 +1,46 @@
+package envconfig_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/mszostok/codeowners-validator/internal/envconfig"
+
+	"github.com/stretchr/testify/require"
+	"gotest.tools/assert"
+)
+
+type testConfig struct {
+	Key1 string
+}
+
+func TestInit(t *testing.T) {
+	t.Run("Should read env variable without prefix", func(t *testing.T) {
+		// given
+		var cfg testConfig
+
+		require.NoError(t, os.Setenv("KEY1", "test-value"))
+
+		// when
+		err := envconfig.Init(&cfg)
+
+		// then
+		require.NoError(t, err)
+		assert.Equal(t, "test-value", cfg.Key1)
+	})
+
+	t.Run("Should read env variable with prefix", func(t *testing.T) {
+		// given
+		var cfg testConfig
+
+		require.NoError(t, os.Setenv("ENVS_PREFIX", "TEST_PREFIX"))
+		require.NoError(t, os.Setenv("TEST_PREFIX_KEY1", "test-value"))
+
+		// when
+		err := envconfig.Init(&cfg)
+
+		// then
+		require.NoError(t, err)
+		assert.Equal(t, "test-value", cfg.Key1)
+	})
+}

internal/github/client.go

@@ -3,6 +3,7 @@ package github
 import (
 	"context"
 	"net/http"
+	"time"
 
 	"github.com/mszostok/codeowners-validator/pkg/url"
 
@@ -11,9 +12,10 @@ import (
 )
 
 type ClientConfig struct {
-	AccessToken string `envconfig:"optional"`
-	BaseURL     string `envconfig:"optional"`
-	UploadURL   string `envconfig:"optional"`
+	AccessToken        string        `envconfig:"optional"`
+	BaseURL            string        `envconfig:"optional"`
+	UploadURL          string        `envconfig:"optional"`
+	HTTPRequestTimeout time.Duration `envconfig:"default=30s"`
 }
 
 func NewClient(ctx context.Context, cfg ClientConfig) (ghClient *github.Client, err error) {
@@ -23,6 +25,7 @@ func NewClient(ctx context.Context, cfg ClientConfig) (ghClient *github.Client,
 			&oauth2.Token{AccessToken: cfg.AccessToken},
 		))
 	}
+	httpClient.Timeout = cfg.HTTPRequestTimeout
 
 	baseURL, uploadURL := cfg.BaseURL, cfg.UploadURL
 

pkg/codeowners/owners.go

@@ -32,7 +32,7 @@ func NewFromPath(path string) ([]Entry, error) {
 		return nil, err
 	}
 
-	entries := parseCodeowners(r)
+	entries := ParseCodeowners(r)
 	return entries, nil
 }
 
@@ -66,7 +66,7 @@ func openCodeownersFile(dir string) (io.Reader, error) {
 	return nil, fmt.Errorf("No CODEOWNERS found in the root, docs/, or .github/ directory of the repository %s", dir)
 }
 
-func parseCodeowners(r io.Reader) []Entry {
+func ParseCodeowners(r io.Reader) []Entry {
 	var e []Entry
 	s := bufio.NewScanner(r)
 	no := uint64(0)

tests/integration/integration_test.go

@@ -7,9 +7,9 @@ import (
 	"testing"
 	"time"
 
+	"github.com/sebdah/goldie/v2"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"gotest.tools/golden"
 )
 
 const (
@@ -24,7 +24,7 @@ const (
 // to the golden file.
 //
 // To update golden file, run:
-//   go test ./tests/integration/... -v -test.update-golden -tags=integration -run=^TestCheckHappyPath$
+//   go test ./tests/integration/... -v -update -tags=integration -run=^TestCheckHappyPath$
 func TestCheckSuccess(t *testing.T) {
 	type Envs map[string]string
 	tests := []struct {
@@ -83,7 +83,9 @@ func TestCheckSuccess(t *testing.T) {
 			require.NoError(t, err)
 			assert.Equal(t, result.ExitCode, 0)
 			normalizedOutput := normalizeTimeDurations(result.Stdout)
-			golden.Assert(t, normalizedOutput, t.Name()+".golden.txt")
+
+			g := goldie.New(t, goldie.WithNameSuffix(".golden.txt"))
+			g.Assert(t, t.Name(), []byte(normalizedOutput))
 		})
 	}
 }
@@ -95,7 +97,7 @@ func TestCheckSuccess(t *testing.T) {
 // to the golden file.
 //
 // To update golden file, run:
-//   go test ./tests/integration/... -v -test.update-golden -tags=integration -run=^TestCheckFailures$
+//   go test ./tests/integration/... -v -update -tags=integration -run=^TestCheckFailures$
 func TestCheckFailures(t *testing.T) {
 	type Envs map[string]string
 	tests := []struct {
@@ -157,7 +159,9 @@ func TestCheckFailures(t *testing.T) {
 			assert.Equal(t, 3, result.ExitCode)
 
 			normalizedOutput := normalizeTimeDurations(result.Stdout)
-			golden.Assert(t, normalizedOutput, t.Name()+".golden.txt")
+
+			g := goldie.New(t, goldie.WithNameSuffix(".golden.txt"))
+			g.Assert(t, t.Name(), []byte(normalizedOutput))
 		})
 	}
 }