Integration tests refactoring and visibility in them.

tests/filters_test.rs

@@ -0,0 +1,48 @@
+mod helpers;
+
+use helpers::in_directory as cwd;
+
+#[test]
+fn can_convert_table_to_json_text_and_from_json_text_back_into_table() {
+    nu!(output,
+        cwd("tests/fixtures/formats"),
+        "open sgml_description.json | to-json | from-json | get glossary.GlossDiv.GlossList.GlossEntry.GlossSee | echo $it");
+
+    assert_eq!(output, "markup");
+}
+
+#[test]
+fn can_convert_table_to_toml_text_and_from_toml_text_back_into_table() {
+    nu!(output,
+        cwd("tests/fixtures/formats"),
+        "open cargo_sample.toml | to-toml | from-toml | get package.name | echo $it");
+
+    assert_eq!(output, "nu");
+}
+
+#[test]
+fn can_sort_by_column() {
+    nu!(output,
+        cwd("tests/fixtures/formats"),
+        "open cargo_sample.toml --raw | lines | skip 1 | first 4 | split-column \"=\" | sort-by Column1 | skip 1 | first 1 | get Column1 | trim | echo $it");
+
+    assert_eq!(output, "description");
+}
+
+#[test]
+fn can_split_by_column() {
+    nu!(output,
+        cwd("tests/fixtures/formats"),
+        "open cargo_sample.toml --raw | lines | skip 1 | first 1 | split-column \"=\" | get Column1 | trim | echo $it");
+
+    assert_eq!(output, "name");
+}
+
+#[test]
+fn can_filter_by_unit_size_comparison() {
+    nu!(output,
+        cwd("tests/fixtures/formats"),
+        "ls | where size > 1kb | get name | trim | echo $it");
+
+    assert_eq!(output, "cargo_sample.toml");
+}