changes to src and test file and precompile

Author: lego-yaw

src/ABOAC1909.dbf

@@ -1,43 +1,28 @@
-module ReadDBC
-
-# Export functions 
-export dbcTable, dbctodbf
-
-# Importing packages 
-using DBFTables
+# test/test_read_dbc.jl
+using Test  # Import the Test package to write test cases
+using ReadDBC  # Import your module to test its functions
 using DataFrames
 
-using  DBCtoDBF_jll 
-
+# Define paths for test input and expected output
+input_file = "src/ABOAC1909.dbc"
+output_file = "src/ABOAC1909.dbf"
 
+@testset "ReadDBC Module Tests" begin
 
-# Defining function dbctodbf
-function dbctodbf(input_file::String, output_file::String)
-    # The DBCtoDBF_jll package provides the dbc2dbf executable directly
-    exe_path = dbc2dbf()  # This gives the path to the dbc2dbf executable
-
-    # Run the executable with the input and output file arguments
-    run(`$exe_path $input_file $output_file`)
-    
-    return output_file  # Optionally return the output file name
-end
+    # Test 1: Test dbctodbf function
+    @testset "Test dbctodbf" begin
+        @test isfile(input_file)  # Check if the input file exists
+        result = dbctodbf(input_file, output_file)  # Call the function
+        @test result == output_file  # Ensure the output file path is returned
+        @test isfile(output_file)  # Check if the output file was created
+    end
 
-# Defining function readdbc
-function dbcTable(input_file::String)
-    output_file = replace(input_file, ".dbc" => ".dbf")
-    try
-        # Convert the DBC file to a DBF file
-        dbctodbf(input_file, output_file)
-        
-        # Read the DBF file into a DataFrame
-        df = DBFTables.Table(output_file)
-        return DataFrame(df)
-        
-    catch e
-        @error "Failed to convert or read DBC file: $input_file"
-        @error "$e"
-        return nothing
+    # Test 2: Test dbcTable function
+    @testset "Test dbcTable" begin
+        df = dbcTable(input_file)  # Call the function to convert and read
+        @test df !== nothing  # Ensure the DataFrame is not empty
+        @test isa(df, DataFrame)  # Ensure the result is a DataFrame
+        @test nrow(df) > 0  # Ensure the DataFrame has rows
     end
-end
 
-end  # module readdbc
+end

src/ReadDBC.jl

@@ -1,3 +1,3 @@
-using .ReadDBC
+using ReadDBC
 
 df = dbcTable("src/ABOAC1909.dbc")

src/how_to_use.jl

@@ -1,16 +1,14 @@
 using Test
-using .ReadDBC
+using ReadDBC
 using DataFrames
 
 
 # Test the dbctodbf function
 @testset "ReadDBC Tests" begin
     # Set up file paths 
     input_file = "src/ABOAC1909.dbc"
-    output_file = "src/ABOAC1909.dbf"     
-    
-    # Call the dbctodbf function
-    result = dbctodbf(input_file, output_file)
+    output_file = "src/ABOAC1909.dbf"
+    dbctodbf(input_file, output_file)
 
     # Check if the output file is created (basic test)
     @test isfile(output_file)