add some tests (#360)

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/path_spec.lua b/tests/path_spec.lua
new file mode 100644
index 00000000..3ccaf3ad
--- /dev/null
+++ b/tests/path_spec.lua
@@ -0,0 +1,23 @@
+local path = require "nvim-lsp-installer.path"
+
+describe("path", function()
+    it("concatenates paths", function()
+        assert.equal("foo/bar/baz/~", path.concat { "foo", "bar", "baz", "~" })
+    end)
+
+    it("concatenates paths on Windows", function()
+        local old_os = jit.os
+        jit.os = "windows"
+        package.loaded["nvim-lsp-installer.path"] = nil
+        local path = require "nvim-lsp-installer.path"
+        assert.equal([[foo\bar\baz\~]], path.concat { "foo", "bar", "baz", "~" })
+        jit.os = old_os
+    end)
+
+    it("identifies subdirectories", function()
+        assert.is_true(path.is_subdirectory("/foo/bar", "/foo/bar/baz"))
+        assert.is_true(path.is_subdirectory("/foo/bar", "/foo/bar"))
+        assert.is_false(path.is_subdirectory("/foo/bar", "/foo/bas/baz"))
+        assert.is_false(path.is_subdirectory("/foo/bar", "/foo/bars/baz"))
+    end)
+end)