Allow Configurable Converters on CSV (#8858)

Merge pull request 8858

test/fixtures/sample.csv

@@ -0,0 +1,3 @@
+id,field_a
+1,"foo"
+2,"bar"

test/fixtures/sample.tsv

@@ -0,0 +1,3 @@
+id	field_a
+1	"foo"
+2	"bar"

test/test_data_reader.rb

@@ -14,4 +14,47 @@ class TestDataReader < JekyllUnitTest
       )
     end
   end
+
+  context "with no csv options set" do
+    setup do
+      @reader = DataReader.new(fixture_site)
+      @parsed = [{ "id" => "1", "field_a" => "foo" }, { "id" => "2", "field_a" => "bar" }]
+    end
+
+    should "parse CSV normally" do
+      assert_equal @parsed, @reader.read_data_file(File.expand_path("fixtures/sample.csv", __dir__))
+    end
+
+    should "parse TSV normally" do
+      assert_equal @parsed, @reader.read_data_file(File.expand_path("fixtures/sample.tsv", __dir__))
+    end
+  end
+
+  context "with csv options set" do
+    setup do
+      reader_config = {
+        "csv_converters" => [:numeric],
+        "headers"        => false,
+      }
+
+      @reader = DataReader.new(
+        fixture_site(
+          {
+            "csv_reader" => reader_config,
+            "tsv_reader" => reader_config,
+          }
+        )
+      )
+
+      @parsed = [%w(id field_a), [1, "foo"], [2, "bar"]]
+    end
+
+    should "parse CSV with options" do
+      assert_equal @parsed, @reader.read_data_file(File.expand_path("fixtures/sample.csv", __dir__))
+    end
+
+    should "parse TSV with options" do
+      assert_equal @parsed, @reader.read_data_file(File.expand_path("fixtures/sample.tsv", __dir__))
+    end
+  end
 end