test scaling

Author: Alexander-Barth

test/runtests.jl

@@ -4,5 +4,6 @@ using Test
 @testset "CommonDataModel" begin
     include("test_conversion.jl")
     include("test_empty.jl")
+    include("test_scaling.jl")
 end
 

test/test_empty.jl

@@ -3,6 +3,7 @@ import CommonDataModel as CDM
 struct DummyEmptyDataset <: CDM.AbstractDataset
 end
 
+
 dd = DummyEmptyDataset();
 @test CDM.dimnames(dd) == ()
 @test_throws Exception CDM.dim(dd,"does_not_exist")

test/test_scaling.jl

@@ -0,0 +1,27 @@
+using NCDatasets
+using Test
+
+
+fname = tempname()
+ds = NCDataset(fname,"c")
+
+data = Array{Union{Missing,Float32},2}(undef,10,10)
+data .= 3
+data[2,2] = missing
+
+add_offset = 12.
+scale_factor = 45
+fill_value = 9999.f0
+
+v = defVar(ds,"temp",data,("lon","lat"),attrib = Dict(
+    "_FillValue" => fill_value,
+    "add_offset" => add_offset,
+    "scale_factor" => scale_factor))
+
+v.var[1,1] = 1
+
+@test v[1,1] ≈ scale_factor * v.var[1,1] + add_offset
+@test ismissing(v[2,2])
+@test fillvalue(v) == fill_value
+
+close(ds)