feat(registry): add has_package() method (#847)

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/mason-registry/registry_spec.lua b/tests/mason-registry/registry_spec.lua
new file mode 100644
index 00000000..5931ca35
--- /dev/null
+++ b/tests/mason-registry/registry_spec.lua
@@ -0,0 +1,20 @@
+local Pkg = require "mason-core.package"
+local registry = require "mason-registry"
+
+describe("mason-registry", function()
+    it("should return package", function()
+        assert.is_true(getmetatable(registry.get_package "dummy").__index == Pkg)
+    end)
+
+    it("should error when getting non-existent package", function()
+        local err = assert.has_error(function()
+            registry.get_package "non-existent"
+        end)
+        assert.equals([[Cannot find package "non-existent".]], err)
+    end)
+
+    it("should check whether package exists", function()
+        assert.is_true(registry.has_package "dummy")
+        assert.is_false(registry.has_package "non-existent")
+    end)
+end)