JMS #4: Parsing command flags with context

context_test.go

@@ -0,0 +1,49 @@
+package cli
+
+import (
+  "flag"
+  "reflect"
+  "testing"
+)
+
+func expect(t *testing.T, a interface{}, b interface{}) {
+	if a != b {
+		t.Errorf("Expected %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
+	}
+}
+
+func refute(t *testing.T, a interface{}, b interface{}) {
+	if a == b {
+		t.Errorf("Did not expect %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
+	}
+}
+
+func Test_IntFlag(t *testing.T) {
+  set := flag.NewFlagSet("test", 0)
+  set.Int("myflag", 12, "doc")
+  c := NewContext(set)
+  expect(t, c.IntFlag("myflag"), 12)
+}
+
+func Test_StringFlag(t *testing.T) {
+  set := flag.NewFlagSet("test", 0)
+  set.String("myflag", "hello world", "doc")
+  c := NewContext(set)
+  expect(t, c.StringFlag("myflag"), "hello world")
+}
+
+func Test_BoolFlag(t *testing.T) {
+  set := flag.NewFlagSet("test", 0)
+  set.Bool("myflag", false, "doc")
+  c := NewContext(set)
+  expect(t, c.BoolFlag("myflag"), false)
+}
+
+func Test_Args(t *testing.T) {
+  set := flag.NewFlagSet("test", 0)
+  set.Bool("myflag", false, "doc")
+  c := NewContext(set)
+  set.Parse([]string{"--myflag", "bat", "baz"})
+  expect(t, len(c.Args()), 2)
+  expect(t, c.BoolFlag("myflag"), true)
+}