Config file reading/writing.

utils/config_test.go

@@ -0,0 +1,50 @@
+package utils
+
+import (
+	. "launchpad.net/gocheck"
+	"os"
+	"path/filepath"
+)
+
+type ConfigSuite struct {
+	config ConfigStructure
+}
+
+var _ = Suite(&ConfigSuite{})
+
+func (s *ConfigSuite) TestLoadConfig(c *C) {
+	configname := filepath.Join(c.MkDir(), "aptly.json")
+	f, _ := os.Create(configname)
+	f.WriteString(configFile)
+	f.Close()
+
+	err := LoadConfig(configname, &s.config)
+	c.Assert(err, IsNil)
+	c.Check(s.config.RootDir, Equals, "/opt/aptly/")
+	c.Check(s.config.DownloadConcurrency, Equals, 33)
+}
+
+func (s *ConfigSuite) TestSaveConfig(c *C) {
+	configname := filepath.Join(c.MkDir(), "aptly.json")
+
+	s.config.RootDir = "/tmp/aptly"
+	s.config.DownloadConcurrency = 5
+
+	err := SaveConfig(configname, &s.config)
+	c.Assert(err, IsNil)
+
+	f, _ := os.Open(configname)
+	defer f.Close()
+
+	st, _ := f.Stat()
+	buf := make([]byte, st.Size())
+	f.Read(buf)
+
+	c.Check(string(buf), Equals, ""+
+		"{\n"+
+		"  \"rootDir\": \"/tmp/aptly\",\n"+
+		"  \"downloadConcurrency\": 5\n"+
+		"}")
+}
+
+const configFile = `{"rootDir": "/opt/aptly/", "downloadConcurrency": 33}`