From 9f668b0c4b6d81cc2213d21534d39abc0973e22f Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 20 Oct 2025 16:26:41 -1000
Subject: [PATCH] Add basic text_sensor tests (#11424)

---
 tests/components/text_sensor/common.yaml      | 66 +++++++++++++++++++
 .../text_sensor/test.esp8266-ard.yaml         |  1 +
 2 files changed, 67 insertions(+)
 create mode 100644 tests/components/text_sensor/common.yaml
 create mode 100644 tests/components/text_sensor/test.esp8266-ard.yaml

diff --git a/tests/components/text_sensor/common.yaml b/tests/components/text_sensor/common.yaml
new file mode 100644
index 0000000000..4459c0fa44
--- /dev/null
+++ b/tests/components/text_sensor/common.yaml
@@ -0,0 +1,66 @@
+text_sensor:
+  - platform: template
+    name: "Test Substitute Single"
+    id: test_substitute_single
+    filters:
+      - substitute:
+          - ERROR -> Error
+
+  - platform: template
+    name: "Test Substitute Multiple"
+    id: test_substitute_multiple
+    filters:
+      - substitute:
+          - ERROR -> Error
+          - WARN -> Warning
+          - INFO -> Information
+          - DEBUG -> Debug
+
+  - platform: template
+    name: "Test Substitute Chained"
+    id: test_substitute_chained
+    filters:
+      - substitute:
+          - foo -> bar
+      - to_upper
+      - substitute:
+          - BAR -> baz
+
+  - platform: template
+    name: "Test Map Single"
+    id: test_map_single
+    filters:
+      - map:
+          - ON -> Active
+
+  - platform: template
+    name: "Test Map Multiple"
+    id: test_map_multiple
+    filters:
+      - map:
+          - ON -> Active
+          - OFF -> Inactive
+          - UNKNOWN -> Error
+          - IDLE -> Standby
+
+  - platform: template
+    name: "Test Map Passthrough"
+    id: test_map_passthrough
+    filters:
+      - map:
+          - Good -> Excellent
+          - Bad -> Poor
+
+  - platform: template
+    name: "Test All Filters"
+    id: test_all_filters
+    filters:
+      - to_upper
+      - to_lower
+      - append: " suffix"
+      - prepend: "prefix "
+      - substitute:
+          - prefix -> PREFIX
+          - suffix -> SUFFIX
+      - map:
+          - PREFIX text SUFFIX -> mapped
diff --git a/tests/components/text_sensor/test.esp8266-ard.yaml b/tests/components/text_sensor/test.esp8266-ard.yaml
new file mode 100644
index 0000000000..dade44d145
--- /dev/null
+++ b/tests/components/text_sensor/test.esp8266-ard.yaml
@@ -0,0 +1 @@
+<<: !include common.yaml