web: Initial backend implementation

web/backend/test/src/BackendT.jl

@@ -0,0 +1,87 @@
+# UnitCommitment.jl: Optimization Package for Security-Constrained Unit Commitment
+# Copyright (C) 2025, UChicago Argonne, LLC. All rights reserved.
+# Released under the modified BSD license. See COPYING.md for more details.
+
+module BackendT
+
+using Test
+using HTTP
+using JSON
+using CodecZlib
+import Backend
+import JuliaFormatter
+using HiGHS
+
+basedir = dirname(@__FILE__)
+port = 32617
+
+function fixture(path::String)::String
+    return "$basedir/../fixtures/$path"
+end
+
+function with_server(f)
+    logger = Test.TestLogger()
+    # server = Base.CoreLogging.with_logger(logger) do
+    #     Backend.start_server(port)
+    # end
+    server = Backend.start_server(port; optimizer=HiGHS.Optimizer)
+    try
+        f()
+    finally
+        close(server)
+    end
+    return filter!(x -> x.group == :access, logger.logs)
+end
+
+function test_usage()
+    with_server() do
+        # Read the compressed fixture file
+        compressed_data = read(fixture("case14.json.gz"))
+
+        # Submit test case
+        response = HTTP.post(
+            "http://localhost:$port/submit",
+            ["Content-Type" => "application/gzip"],
+            compressed_data
+        )
+        @test response.status == 200
+
+        # Check response
+        response_data = JSON.parse(String(response.body))
+        @test haskey(response_data, "job_id")
+        job_id = response_data["job_id"]
+        @test length(job_id) == 16
+        @test all(c -> c in ['a':'z'; '0':'9'], collect(job_id))
+
+        # Verify the compressed file was saved correctly
+        job_dir = joinpath(Backend.basedir, "jobs", job_id)
+        saved_path = joinpath(job_dir, "input.json.gz")
+        @test isfile(saved_path)
+        saved_data = read(saved_path)
+        @test saved_data == compressed_data
+
+        response = HTTP.get("http://localhost:$port/jobs/123/view")
+        @test response.status == 200
+        @test String(response.body) == "OK"
+
+        # Clean up: remove the job directory
+        # rm(job_dir, recursive=true)
+    end
+end
+
+function runtests()
+    @testset "UCJL Backend" begin
+        test_usage()
+    end
+    return
+end
+
+function format()
+    JuliaFormatter.format(basedir, verbose = true)
+    JuliaFormatter.format("$basedir/../../src", verbose = true)
+    return
+end
+
+export runtests, format
+
+end