test-results: package model: Add full_result.go and tests

go/src/infra/appengine/test-results/model/common_test.go

+package model
+
+import (
+        "encoding/json"
+        "testing"
+
+        . "github.com/smartystreets/goconvey/convey"
+)
+
+func TestCommon(t *testing.T) {
+        t.Parallel()
+
+        Convey("Number", t, func() {
+                Convey("UnmarshalJSON", func() {
+                        Convey("fails on non integers", func() {
+                                Convey("string", func() {
+                                        input := []byte("foo")
+                                        var num Number
+                                        So(json.Unmarshal(input, &num), ShouldNotBeNil)
+                                })
+
+                                Convey("float", func() {
+                                        input := []byte("2.0")
+                                        var num Number
+                                        So(json.Unmarshal(input, &num), ShouldNotBeNil)
+                                })
+                        })
+
+                        Convey("succeeds for integer", func() {
+                                input := []byte("-400")
+                                var num Number
+                                So(json.Unmarshal(input, &num), ShouldBeNil)
+                                So(num, ShouldEqual, -400)
+                        })
+                })
+
+                Convey("MarshalJSON", func() {
+                        Convey("basic", func() {
+                                num := Number(-400)
+                                b, err := json.Marshal(&num)
+                                So(err, ShouldBeNil)
+                                So(string(b), ShouldEqual, "-400")
+                        })
+                })
+        })
+}