Set the default line length to infinity (-1) (go-yaml#572)

Author: laverya

apic.go

@@ -108,6 +108,7 @@ func yaml_emitter_initialize(emitter *yaml_emitter_t) {
 		raw_buffer: make([]byte, 0, output_raw_buffer_size),
 		states:     make([]yaml_emitter_state_t, 0, initial_stack_size),
 		events:     make([]yaml_event_t, 0, initial_queue_size),
+		best_width: -1,
 	}
 }
 

encode_test.go

@@ -429,6 +429,12 @@ var marshalTests = []struct {
 		"a: |\n    \tB\n    \tC\n",
 	},
 
+	// Ensure that strings do not wrap
+	{
+		map[string]string{"a": "abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890 "},
+		"a: 'abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890 '\n",
+	},
+
 	// yaml.Node
 	{
 		&struct {