Impl versions with shell commands

versions/.versions_test.go

@@ -0,0 +1,65 @@
+package versions
+
+import (
+	"io/ioutil"
+	"local/notes-server/config"
+	"os"
+	"path"
+	"testing"
+)
+
+func TestVersionsHappy(t *testing.T) {
+	d, err := ioutil.TempDir(os.TempDir(), "prefix")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(d)
+	if err := ioutil.WriteFile(path.Join(d, "a.md"), []byte("# Hello"), os.ModePerm); err != nil {
+		t.Fatal(err)
+	}
+	if err := ioutil.WriteFile(path.Join(d, "b.md"), []byte("# World"), os.ModePerm); err != nil {
+		t.Fatal(err)
+	}
+	config.Root = d
+	v, err := New()
+	if err != nil {
+		t.Error(err)
+	}
+
+	if err := v.AddAll(); err != nil {
+		t.Error("failed add", err)
+	}
+	if err := v.Commit(); err != nil {
+		t.Error("failed commit", err)
+	}
+	if err := v.Gitmmit(); err != nil {
+		t.Error("failed gitmmit", err)
+	}
+}
+
+func TestVersionsBad(t *testing.T) {
+	config.Root = "/not/a/real/path"
+	if _, err := New(); err == nil {
+		t.Error("passed new from nil path")
+	}
+}
+
+func TestVersionsDirty(t *testing.T) {
+	if os.Getenv("DIRTY") == "" {
+		return
+	}
+	config.Root = "/tmp/foo"
+	v, err := New()
+	if err != nil {
+		t.Fatal(err)
+	}
+	ioutil.WriteFile(path.Join(config.Root, "file.md"), []byte(`
+# Hello
+## World
+I'm a doc
+   `), os.ModePerm)
+	if err := v.Gitmmit(); err != nil {
+		t.Fatal(err)
+	}
+	t.Log(v)
+}

versions/versions.go

@@ -1,6 +1,8 @@
 package versions
 
 import (
+	"fmt"
+	"local/notes-server/config"
 	"os/exec"
 	"time"
 )
@@ -9,25 +11,32 @@ type Versions struct {
 }
 
 func New() (*Versions, error) {
-	return &Versions{}, nil
+	v := &Versions{}
+	v.cmd("git", "init")
+	return v, nil
 }
 
 func (v *Versions) Gitmmit() error {
 	if err := v.AddAll(); err != nil {
-		return err
+		return fmt.Errorf("cannot add all: %v", err)
 	}
 	if err := v.Commit(); err != nil {
-		return err
+		return fmt.Errorf("cannot commit: %v", err)
 	}
 	return nil
 }
 
 func (v *Versions) AddAll() error {
-	cmd := exec.Command("git", "add", "-A", ":/")
-	return cmd.Run()
+	return v.cmd("git", "add", "-A", ":/")
 }
 
 func (v *Versions) Commit() error {
-	cmd := exec.Command("git", "commit", "-m", time.Now().String())
-	return cmd.Run()
+	return v.cmd("git", "commit", "-m", time.Now().String())
+}
+
+func (v *Versions) cmd(cmd string, args ...string) error {
+	command := exec.Command(cmd, args...)
+	command.Dir = config.Root
+	_, err := command.CombinedOutput()
+	return err
 }

versions/versions_test.go

@@ -8,58 +8,35 @@ import (
 	"testing"
 )
 
-func TestVersionsHappy(t *testing.T) {
+func TestVersions(t *testing.T) {
 	d, err := ioutil.TempDir(os.TempDir(), "prefix")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll(d)
-	if err := ioutil.WriteFile(path.Join(d, "a.md"), []byte("# Hello"), os.ModePerm); err != nil {
-		t.Fatal(err)
-	}
-	if err := ioutil.WriteFile(path.Join(d, "b.md"), []byte("# World"), os.ModePerm); err != nil {
-		t.Fatal(err)
-	}
 	config.Root = d
-	v, err := New()
 	if err != nil {
-		t.Error(err)
+		t.Fatal(err)
+	}
+	for _, f := range []string{"a", "b"} {
+		ioutil.WriteFile(path.Join(d, f+".md"), []byte(f), os.ModePerm)
 	}
 
+	v, err := New()
+	if err != nil {
+		t.Fatal(err)
+	}
 	if err := v.AddAll(); err != nil {
 		t.Error(err)
 	}
 	if err := v.Commit(); err != nil {
 		t.Error(err)
 	}
-	if err := v.Gitmmit(); err != nil {
+
+	if err := v.Gitmmit(); err == nil {
 		t.Error(err)
 	}
-}
 
-func TestVersionsBad(t *testing.T) {
-	config.Root = "/not/a/real/path"
-	if _, err := New(); err == nil {
-		t.Error(err)
+	for _, f := range []string{"c", "b"} {
+		ioutil.WriteFile(path.Join(d, f+".md"), []byte("d"), os.ModePerm)
 	}
-}
-
-func TestVersionsDirty(t *testing.T) {
-	if os.Getenv("DIRTY") == "" {
-		return
-	}
-	config.Root = "/tmp/foo"
-	v, err := New()
-	if err != nil {
-		t.Fatal(err)
-	}
-	ioutil.WriteFile(path.Join(config.Root, "file.md"), []byte(`
-# Hello
-## World
-I'm a doc
-   `), os.ModePerm)
 	if err := v.Gitmmit(); err != nil {
-		t.Fatal(err)
+		t.Error(config.Root, err)
 	}
-	t.Log(v)
 }