diff --git a/README.md b/README.md
index 727ad14..5285ab7 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ The script uses `jq` for heavy lifting.
 
 ### Simple Usage
 ```
-> bash-env examples/simple.env
+> bash-env tests/simple.env
 ╭───┬───╮
 │ B │ b │
 │ A │ a │
@@ -50,7 +50,7 @@ Error: nu::shell::name_not_found
   × Name not found
 
 
-> bash-env examples/simple.env | load-env
+> bash-env tests/simple.env | load-env
 
 > echo $env.A
 a
@@ -58,7 +58,7 @@ a
 b
 
 
-> bash-env examples/simple.env
+> bash-env tests/simple.env
 ╭──────────────╮
 │ empty record │
 ╰──────────────╯
@@ -110,14 +110,14 @@ The plugin supports `--export` for exporting shell variables into the environmen
 Care has been taken to escape any special characters.
 
 ```
-> bash-env `examples/Ming's "menu" of (merciless) monstrosities.env`
+> bash-env `tests/Ming's "menu" of (merciless) monstrosities.env`
 ╭───────────┬──────────────────────────────────────────────────────╮
 │ QUOTE     │ "Well done!" is better than "Well said!"             │
 │ SPACEMAN  │ One small step for a man ...                         │
 │ MIXED_BAG │ Did the sixth sheik's sixth sheep say "baa", or not? │
 ╰───────────┴──────────────────────────────────────────────────────╯
 
-> bash-env `examples/Ming's "menu" of (merciless) monstrosities.env` | load-env
+> bash-env `tests/Ming's "menu" of (merciless) monstrosities.env` | load-env
 > echo $env.QUOTE
 "Well done!" is better than "Well said!"
 ```
diff --git a/run-tests.nu b/run-tests.nu
new file mode 100644
index 0000000..1849909
--- /dev/null
+++ b/run-tests.nu
@@ -0,0 +1,105 @@
+use std assert
+
+# TODO use testing.nu testing module,
+# which wasn't working at the time I wrote these tests
+
+#[before-all]
+def add_and_use_plugin [] {
+  plugin add nu_plugin_bash_env
+  plugin use bash_env
+}
+
+#[test]
+def test_echo [] {
+  let actual = echo "export A=123" | bash-env
+  let expected = { A: "123" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_not_exported [] {
+  let actual = echo "A=123" | bash-env
+  let expected = { }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_export_shell_variables [] {
+  let actual = echo "A=123" | bash-env --export [A]
+  let expected = { A: "123" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_export_shell_variables_missing [] {
+  let actual = echo "A=123" | bash-env --export [A B]
+  let expected = { A: "123" B: "" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_shell_variables_from_file [] {
+  let actual = bash-env tests/shell-variables.env
+  let expected = { B: "exported" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_export_shell_variables_from_file [] {
+  let actual = bash-env --export [A] tests/shell-variables.env
+  let expected = { A: "not exported" B: "exported" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_empty_value [] {
+  let actual = echo "export A=\"\"" | bash-env
+  let expected = { A: "" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_simple_file [] {
+  let actual = bash-env tests/simple.env
+  let expected = { A: "a" B: "b" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_cat_simple_file [] {
+  let actual = cat tests/simple.env | bash-env 
+  let expected = { A: "a" B: "b" }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_nasty_values_from_file [] {
+  let actual = bash-env "tests/Ming's menu of (merciless) monstrosities.env"
+  let expected = { 
+    SPACEMAN: "One small step for a man ..."
+    QUOTE: "\"Well done!\" is better than \"Well said!\""
+    MIXED_BAG: "Did the sixth sheik's sixth sheep say \"baa\", or not?"
+  }
+  assert equal $actual $expected
+}
+
+#[test]
+def test_mixed [] {
+  let actual = echo "export A=override-a C=sea" | bash-env tests/simple.env
+  let expected = { A: "override-a" B: "b" C: "sea" }
+  assert equal $actual $expected
+}
+
+add_and_use_plugin
+
+test_echo
+test_not_exported
+test_export_shell_variables
+test_export_shell_variables_missing
+test_shell_variables_from_file
+test_export_shell_variables_from_file
+test_empty_value
+test_simple_file
+test_cat_simple_file
+test_nasty_values_from_file
+test_mixed
diff --git a/examples/Ming's menu of (merciless) monstrosities.env b/tests/Ming's menu of (merciless) monstrosities.env
similarity index 100%
rename from examples/Ming's menu of (merciless) monstrosities.env
rename to tests/Ming's menu of (merciless) monstrosities.env
diff --git a/examples/empty.env b/tests/empty.env
similarity index 100%
rename from examples/empty.env
rename to tests/empty.env
diff --git a/examples/error.env b/tests/error.env
similarity index 100%
rename from examples/error.env
rename to tests/error.env
diff --git a/tests/shell-variables.env b/tests/shell-variables.env
new file mode 100644
index 0000000..eb0f798
--- /dev/null
+++ b/tests/shell-variables.env
@@ -0,0 +1,2 @@
+A="not exported"
+export B="exported"
diff --git a/examples/simple.env b/tests/simple.env
similarity index 100%
rename from examples/simple.env
rename to tests/simple.env
diff --git a/examples/single.env b/tests/single.env
similarity index 100%
rename from examples/single.env
rename to tests/single.env