refactor: move templates from sv to cmd/git-sv

issue: #40

cmd/git-sv/main.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"embed"
+	"io/fs"
 	"log"
 	"os"
 	"path/filepath"
@@ -17,6 +19,16 @@ const (
 	repoConfigFilename = ".sv4git.yml"
 )
 
+var (
+	//go:embed resources/templates/*.tpl
+	defaultTemplatesFS embed.FS
+)
+
+func templateFS() fs.FS {
+	defaultTemplatesFS, _ := fs.Sub(defaultTemplatesFS, "resources/templates")
+	return defaultTemplatesFS
+}
+
 func main() {
 	log.SetFlags(0)
 
@@ -25,7 +37,7 @@ func main() {
 	git := sv.NewGit(messageProcessor, cfg.Tag)
 	semverProcessor := sv.NewSemVerCommitsProcessor(cfg.Versioning, cfg.CommitMessage)
 	releasenotesProcessor := sv.NewReleaseNoteProcessor(cfg.ReleaseNotes)
-	outputFormatter := sv.NewOutputFormatter()
+	outputFormatter := sv.NewOutputFormatter(templateFS())
 
 	app := cli.NewApp()
 	app.Name = "sv"
@@ -146,10 +158,9 @@ func main() {
 }
 
 func loadCfg() Config {
-	envCfg := loadEnvConfig()
-
 	cfg := defaultConfig()
 
+	envCfg := loadEnvConfig()
 	if envCfg.Home != "" {
 		if homeCfg, err := readConfig(filepath.Join(envCfg.Home, configFilename)); err == nil {
 			if merr := merge(&cfg, homeCfg); merr != nil {
@@ -160,7 +171,7 @@ func loadCfg() Config {
 
 	repoPath, rerr := getRepoPath()
 	if rerr != nil {
-		log.Fatal("failed to get repository path, error: ", rerr)
+		log.Fatal("failed to discovery repository top level, error: ", rerr)
 	}
 
 	if repoCfg, err := readConfig(filepath.Join(repoPath, repoConfigFilename)); err == nil {

cmd/git-sv/resources_test.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"testing"
+)
+
+func Test_checkTemplatesFiles(t *testing.T) {
+	tests := []string{
+		"resources/templates/changelog-md.tpl",
+		"resources/templates/releasenotes-md.tpl",
+	}
+	for _, tt := range tests {
+		t.Run(tt, func(t *testing.T) {
+			got, err := defaultTemplatesFS.ReadFile(tt)
+			if err != nil {
+				t.Errorf("missing template error = %v", err)
+				return
+			}
+			if len(got) <= 0 {
+				t.Errorf("empty template")
+			}
+		})
+	}
+}

sv/formatter.go

@@ -2,7 +2,7 @@ package sv
 
 import (
 	"bytes"
-	"embed"
+	"io/fs"
 	"text/template"
 )
 
@@ -14,11 +14,6 @@ type releaseNoteTemplateVariables struct {
 	BreakingChanges BreakingChangeSection
 }
 
-var (
-	//go:embed resources/templates/*
-	defaultTemplatesFS embed.FS
-)
-
 // OutputFormatter output formatter interface.
 type OutputFormatter interface {
 	FormatReleaseNote(releasenote ReleaseNote) (string, error)
@@ -31,8 +26,8 @@ type OutputFormatterImpl struct {
 }
 
 // NewOutputFormatter TemplateProcessor constructor.
-func NewOutputFormatter() *OutputFormatterImpl {
-	tpls := template.Must(template.New("templates").ParseFS(defaultTemplatesFS, "resources/templates/*"))
+func NewOutputFormatter(templatesFS fs.FS) *OutputFormatterImpl {
+	tpls := template.Must(template.New("templates").ParseFS(templatesFS, "*"))
 	return &OutputFormatterImpl{templates: tpls}
 }
 

sv/formatter_test.go

@@ -2,6 +2,7 @@ package sv
 
 import (
 	"bytes"
+	"os"
 	"testing"
 	"text/template"
 	"time"
@@ -9,6 +10,8 @@ import (
 	"github.com/Masterminds/semver/v3"
 )
 
+var templatesFS = os.DirFS("../cmd/git-sv/resources/templates")
+
 var dateChangelog = `## v1.0.0 (2020-05-01)
 `
 
@@ -57,7 +60,7 @@ func TestOutputFormatterImpl_FormatReleaseNote(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got, err := NewOutputFormatter().FormatReleaseNote(tt.input)
+			got, err := NewOutputFormatter(templatesFS).FormatReleaseNote(tt.input)
 			if got != tt.want {
 				t.Errorf("OutputFormatterImpl.FormatReleaseNote() = %v, want %v", got, tt.want)
 			}
@@ -88,6 +91,30 @@ func fullReleaseNote(tag string, date time.Time) ReleaseNote {
 	return releaseNote(v, tag, date, sections, []string{"break change message"})
 }
 
+func Test_checkTemplatesExecution(t *testing.T) {
+	tpls := template.Must(template.New("templates").ParseFS(templatesFS, "*"))
+	tests := []struct {
+		template  string
+		variables interface{}
+	}{
+		{"changelog-md.tpl", changelogVariables("v1.0.0", "v1.0.1")},
+		{"releasenotes-md.tpl", releaseNotesVariables("v1.0.0")},
+	}
+	for _, tt := range tests {
+		t.Run(tt.template, func(t *testing.T) {
+			var b bytes.Buffer
+			err := tpls.ExecuteTemplate(&b, tt.template, tt.variables)
+			if err != nil {
+				t.Errorf("invalid template err = %v", err)
+				return
+			}
+			if len(b.Bytes()) <= 0 {
+				t.Errorf("empty template")
+			}
+		})
+	}
+}
+
 func releaseNotesVariables(release string) releaseNoteTemplateVariables {
 	return releaseNoteTemplateVariables{
 		Release: release,
@@ -110,46 +137,3 @@ func changelogVariables(releases ...string) []releaseNoteTemplateVariables {
 	return variables
 
 }
-
-func Test_checkTemplatesFiles(t *testing.T) {
-	tests := []string{
-		"resources/templates/changelog-md.tpl",
-		"resources/templates/releasenotes-md.tpl",
-	}
-	for _, tt := range tests {
-		t.Run(tt, func(t *testing.T) {
-			got, err := defaultTemplatesFS.ReadFile(tt)
-			if err != nil {
-				t.Errorf("missing template error = %v", err)
-				return
-			}
-			if len(got) <= 0 {
-				t.Errorf("empty template")
-			}
-		})
-	}
-}
-
-func Test_checkTemplatesExecution(t *testing.T) {
-	tpls := template.Must(template.New("templates").ParseFS(defaultTemplatesFS, "resources/templates/*"))
-	tests := []struct {
-		template  string
-		variables interface{}
-	}{
-		{"changelog-md.tpl", changelogVariables("v1.0.0", "v1.0.1")},
-		{"releasenotes-md.tpl", releaseNotesVariables("v1.0.0")},
-	}
-	for _, tt := range tests {
-		t.Run(tt.template, func(t *testing.T) {
-			var b bytes.Buffer
-			err := tpls.ExecuteTemplate(&b, tt.template, tt.variables)
-			if err != nil {
-				t.Errorf("invalid template err = %v", err)
-				return
-			}
-			if len(b.Bytes()) <= 0 {
-				t.Errorf("empty template")
-			}
-		})
-	}
-}