1 files changed, 90 insertions, 0 deletions
diff --git a/plumbing/format/config/decoder_test.go b/plumbing/format/config/decoder_test.go
new file mode 100644
index 0000000..412549f
--- /dev/null
+++ b/plumbing/format/config/decoder_test.go
@@ -0,0 +1,90 @@
+package config
+
+import (
+	"bytes"
+
+	. "gopkg.in/check.v1"
+)
+
+type DecoderSuite struct{}
+
+var _ = Suite(&DecoderSuite{})
+
+func (s *DecoderSuite) TestDecode(c *C) {
+	for idx, fixture := range fixtures {
+		r := bytes.NewReader([]byte(fixture.Raw))
+		d := NewDecoder(r)
+		cfg := &Config{}
+		err := d.Decode(cfg)
+		c.Assert(err, IsNil, Commentf("decoder error for fixture: %d", idx))
+		c.Assert(cfg, DeepEquals, fixture.Config, Commentf("bad result for fixture: %d", idx))
+	}
+}
+
+func (s *DecoderSuite) TestDecodeFailsWithIdentBeforeSection(c *C) {
+	t := `
+	key=value
+	[section]
+	key=value
+	`
+	decodeFails(c, t)
+}
+
+func (s *DecoderSuite) TestDecodeFailsWithEmptySectionName(c *C) {
+	t := `
+	[]
+	key=value
+	`
+	decodeFails(c, t)
+}
+
+func (s *DecoderSuite) TestDecodeFailsWithEmptySubsectionName(c *C) {
+	t := `
+	[remote ""]
+	key=value
+	`
+	decodeFails(c, t)
+}
+
+func (s *DecoderSuite) TestDecodeFailsWithBadSubsectionName(c *C) {
+	t := `
+	[remote origin"]
+	key=value
+	`
+	decodeFails(c, t)
+	t = `
+	[remote "origin]
+	key=value
+	`
+	decodeFails(c, t)
+}
+
+func (s *DecoderSuite) TestDecodeFailsWithTrailingGarbage(c *C) {
+	t := `
+	[remote]garbage
+	key=value
+	`
+	decodeFails(c, t)
+	t = `
+	[remote "origin"]garbage
+	key=value
+	`
+	decodeFails(c, t)
+}
+
+func (s *DecoderSuite) TestDecodeFailsWithGarbage(c *C) {
+	decodeFails(c, "---")
+	decodeFails(c, "????")
+	decodeFails(c, "[sect\nkey=value")
+	decodeFails(c, "sect]\nkey=value")
+	decodeFails(c, `[section]key="value`)
+	decodeFails(c, `[section]key=value"`)
+}
+
+func decodeFails(c *C, text string) {
+	r := bytes.NewReader([]byte(text))
+	d := NewDecoder(r)
+	cfg := &Config{}
+	err := d.Decode(cfg)
+	c.Assert(err, NotNil)
+}