test: Add tests for is_in_node_range (#1756)

* fix: is_in_node_range now includes end line and col

This fixes no indents at the end of python files

Refs #1136

* update scala highlights (#1760)

* add type highlights

* add call expression highlights

* add function definition highlights

* add expression highlights

* add literals highlights

* add operator highlights

* add punctuation highlights

* add comment highlights

Co-authored-by: Stevan Milic <stevan.milic@tradecore.com>

* test: Add unit tests

* Revert "fix: is_in_node_range now includes end line and col"

This reverts commit 5a721fef56.

* refactor test

* apply stylua

* fix luacheck

* update `describe` text

* smallfix

Co-authored-by: Stevan Milic <stevan.milic@yahoo.com>
Co-authored-by: Stevan Milic <stevan.milic@tradecore.com>

scripts/run_tests.sh

@@ -5,12 +5,14 @@ cd $HERE/..
 
 run() {
     nvim --headless --noplugin -u scripts/minimal_init.lua \
-        -c "PlenaryBustedDirectory tests/indent/ { minimal_init = './scripts/minimal_init.lua' }"
+        -c "PlenaryBustedDirectory $1 { minimal_init = './scripts/minimal_init.lua' }"
 }
 
 if [[ $1 = '--summary' ]]; then
     # really simple results summary by filtering plenary busted output
-    run 2> /dev/null | grep -E '^\S*(Success|Fail(ed)?|Errors?)'
+    run tests/indent/ 2> /dev/null | grep -E '^\S*(Success|Fail(ed)?|Errors?)'
+elif [[ $1 = '--unit' ]]; then
+    run tests/unit
 else
-    run
+    run tests/indent/
 fi

tests/unit/ts_utils_spec.lua

@@ -0,0 +1,41 @@
+local tsutils = require "nvim-treesitter.ts_utils"
+
+describe("is_in_node_range", function()
+  local function test_is_in_node_range(line, col)
+    local node = {
+      range = function()
+        return unpack { 0, 3, 2, 5 }
+      end,
+    }
+    return tsutils.is_in_node_range(node, line, col)
+  end
+
+  it("returns false before node start", function()
+    assert.is_false(test_is_in_node_range(0, 0))
+    assert.is_false(test_is_in_node_range(0, 1))
+    assert.is_false(test_is_in_node_range(0, 2))
+  end)
+
+  it("returns true at node start", function()
+    assert.is_true(test_is_in_node_range(0, 3))
+  end)
+
+  it("returns true on first line of the node", function()
+    assert.is_true(test_is_in_node_range(0, 4))
+  end)
+
+  it("returns true between node lines", function()
+    assert.is_true(test_is_in_node_range(1, 2))
+    assert.is_true(test_is_in_node_range(1, 20))
+  end)
+
+  it("returns false on node end", function()
+    -- Ranges are end-exclusive
+    assert.is_false(test_is_in_node_range(2, 5))
+  end)
+
+  it("returns false after node end", function()
+    assert.is_false(test_is_in_node_range(2, 6))
+    assert.is_false(test_is_in_node_range(3, 0))
+  end)
+end)