diff --git a/tests/components/light/common.yaml b/tests/components/light/common.yaml
index 55525fc67f..e5fab62a79 100644
--- a/tests/components/light/common.yaml
+++ b/tests/components/light/common.yaml
@@ -71,6 +71,32 @@ esphome:
       - light.control:
           id: test_monochromatic_light
           state: on
+      # Test static effect name resolution at codegen time
+      - light.turn_on:
+          id: test_monochromatic_light
+          effect: Strobe
+      - light.turn_on:
+          id: test_monochromatic_light
+          effect: none
+      # Test resolving a different effect on the same light
+      - light.control:
+          id: test_monochromatic_light
+          effect: My Flicker
+      # Test effect: None (capitalized)
+      - light.control:
+          id: test_monochromatic_light
+          effect: None
+      # Test effect lambda with no args (on_boot has empty Ts...)
+      - light.turn_on:
+          id: test_monochromatic_light
+          effect: !lambda 'return "Strobe";'
+      # Test effect lambda with non-empty args (repeat passes uint32_t iteration)
+      - repeat:
+          count: 3
+          then:
+            - light.turn_on:
+                id: test_monochromatic_light
+                effect: !lambda 'return iteration > 1 ? "Strobe" : "none";'
       - light.dim_relative:
           id: test_monochromatic_light
           relative_brightness: 5%