Add basic tests (#11)

Project.toml

@@ -7,10 +7,12 @@ version = "0.0.1+2023c"
 Artifacts = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
 
 [compat]
+TimeZones = "1"
 julia = "1.6"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+TimeZones = "f269a46b-ccf7-5d73-abea-4c690281aa53"
 
 [targets]
-test = ["Test"]
+test = ["TimeZones", "Test"]

test/runtests.jl

@@ -1,6 +1,40 @@
 using TZJData
+using TimeZones: TZJFile, TimeZone, Class
 using Test
 
+# TODO: Can be removed once this is in an official TimeZones release
+function _reload_cache!(cache::AbstractDict, compiled_dir::AbstractString)
+ empty!(cache)
+ check = Tuple{String,String}[(compiled_dir, "")]
+
+ for (dir, partial) in check
+ for filename in readdir(dir)
+ startswith(filename, ".") && continue
+
+ path = joinpath(dir, filename)
+ name = isempty(partial) ? filename : join([partial, filename], "/")
+
+ if isdir(path)
+ push!(check, (path, name))
+ else
+ cache[name] = open(TZJFile.read, path, "r")(name)
+ end
+ end
+ end
+
+ return cache
+end
+
 @testset "TZJData.jl" begin
- # Write your tests here.
+ @test isdir(TZJData.ARTIFACT_DIR)
+ @test occursin(r"^\d{4}[a-z]$", TZJData.TZDATA_VERSION)
+
+ @testset "load compiled" begin
+ cache = Dict{String,Tuple{TimeZone,Class}}()
+ _reload_cache!(cache, TZJData.ARTIFACT_DIR)
+ @test !isempty(cache)
+ end
+
+ # TODO: Check for changes to a `TimeZone`'s `Class` as a change from `Class(:STANDARD)`
+ # to `Class(:LEGACY)` can cause end-users code to break.
 end