func TestNextBadVersionData(t *testing.T) {
vs := Versions{
Version{
Version: "1",
Published: true,
},
Version{
Version: "2",
Published: false,
Required: true, // Required but not Published makes no sense
},
}
next, err := vs.Next("1")
assert.Equal(t, "", next)
assert.EqualError(t, err, `current version "1" is latest`)
vs = Versions{
Version{
Version: "1",
Published: false,
},
Version{
Version: "2",
Published: false, // nothing Published is not helpful
},
}
latest, err := vs.Latest()
assert.Equal(t, "", latest.Version)
assert.EqualError(t, err, `no published versions`)
}
func TestNext(t *testing.T) {
vs := Versions{
Version{
Version: "1",
Published: true,
},
Version{
Version: "2",
Published: false,
},
Version{
Version: "3",
Published: true,
},
Version{
Version: "4",
Published: true,
Required: true,
},
Version{
Version: "5",
Published: true,
Required: true,
},
Version{
Version: "6",
Published: true,
},
Version{
Version: "7",
Published: true,
},
Version{
Version: "8",
Published: true,
},
Version{
Version: "9",
Published: false,
},
}
next, err := vs.Next("10")
assert.Equal(t, "", next)
assert.EqualError(t, err, `current version "10" not found`)
next, err = vs.Next("1")
assert.Equal(t, "4", next, "from version 1, next required version is 4")
assert.Nil(t, err)
next, err = vs.Next("4")
assert.Equal(t, "5", next, "from version 4, next required version is 5")
assert.Nil(t, err)
next, err = vs.Next("5")
assert.Equal(t, "8", next, "from version 5, latest published version is 8")
assert.Nil(t, err)
next, err = vs.Next("8")
assert.Equal(t, "", next)
assert.EqualError(t, err, `current version "8" is latest`)
}