From 3ecf9bc8d0d85e47c87f7b2e1d9fc2b40eb8507c Mon Sep 17 00:00:00 2001
From: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
Date: Wed, 6 Aug 2025 10:56:34 -0400
Subject: [PATCH 1/2] [componenttest] Remove `GetFactory` from nopHost

---
 .../componenttest-remove-getfactory.yaml      | 25 +++++++++++++++++++
 component/componenttest/nop_host.go           |  6 ++---
 2 files changed, 27 insertions(+), 4 deletions(-)
 create mode 100644 .chloggen/componenttest-remove-getfactory.yaml

diff --git a/.chloggen/componenttest-remove-getfactory.yaml b/.chloggen/componenttest-remove-getfactory.yaml
new file mode 100644
index 000000000000..cedd99df45a1
--- /dev/null
+++ b/.chloggen/componenttest-remove-getfactory.yaml
@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: componenttest
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove `GetFactory` from the host returned by `NewNopHost`
+
+# One or more tracking issues or pull requests related to the change
+issues: []
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext: This method is no longer part of the `component.Host` interface.
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]
diff --git a/component/componenttest/nop_host.go b/component/componenttest/nop_host.go
index 3c9206456a38..3c6bba5a2580 100644
--- a/component/componenttest/nop_host.go
+++ b/component/componenttest/nop_host.go
@@ -7,6 +7,8 @@ import (
 	"go.opentelemetry.io/collector/component"
 )
 
+var _ component.Host = (*nopHost)(nil)
+
 // nopHost mocks a receiver.ReceiverHost for test purposes.
 type nopHost struct{}
 
@@ -15,10 +17,6 @@ func NewNopHost() component.Host {
 	return &nopHost{}
 }
 
-func (nh *nopHost) GetFactory(component.Kind, component.Type) component.Factory {
-	return nil
-}
-
 func (nh *nopHost) GetExtensions() map[component.ID]component.Component {
 	return nil
 }

From e893a67378c32474a56f0907d1b660ff9dacee5e Mon Sep 17 00:00:00 2001
From: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
Date: Wed, 6 Aug 2025 11:21:47 -0400
Subject: [PATCH 2/2] Add issue number to changelog

---
 .chloggen/componenttest-remove-getfactory.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.chloggen/componenttest-remove-getfactory.yaml b/.chloggen/componenttest-remove-getfactory.yaml
index cedd99df45a1..f72b60465b9e 100644
--- a/.chloggen/componenttest-remove-getfactory.yaml
+++ b/.chloggen/componenttest-remove-getfactory.yaml
@@ -10,7 +10,7 @@ component: componenttest
 note: Remove `GetFactory` from the host returned by `NewNopHost`
 
 # One or more tracking issues or pull requests related to the change
-issues: []
+issues: [13577]
 
 # (Optional) One or more lines of additional information to render under the primary note.
 # These lines will be padded with 2 spaces and then inserted directly into the document.