diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/before-selection/index.js b/test/transforms/fixtures/by-key/insert-text-by-key/selection-after/index.js
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/before-selection/index.js
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-after/index.js
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/after-selection/input.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-after/input.yaml
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/after-selection/input.yaml
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-after/input.yaml
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/before-selection/output.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-after/output.yaml
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/before-selection/output.yaml
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-after/output.yaml
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/after-selection/index.js b/test/transforms/fixtures/by-key/insert-text-by-key/selection-before/index.js
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/after-selection/index.js
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-before/index.js
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/before-selection/input.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-before/input.yaml
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/before-selection/input.yaml
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-before/input.yaml
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/after-selection/output.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-before/output.yaml
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/after-selection/output.yaml
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-before/output.yaml
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/index.js b/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/index.js
new file mode 100644
index 000000000..8e4310bc4
--- /dev/null
+++ b/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/index.js
@@ -0,0 +1,28 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const firstText = texts.first()
+
+  const nextSelection = selection.merge({
+    anchorKey: firstText.key,
+    focusKey: firstText.key,
+    anchorOffset: 2,
+    focusOffset: 4
+  })
+
+  const next = state
+    .transform()
+    .moveTo(nextSelection)
+    .insertTextByKey(firstText.key, 4, 'XX')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    nextSelection.toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/in-selection/input.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/input.yaml
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/in-selection/input.yaml
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-end/input.yaml
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/output.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/output.yaml
new file mode 100644
index 000000000..607d42d0c
--- /dev/null
+++ b/test/transforms/fixtures/by-key/insert-text-by-key/selection-end/output.yaml
@@ -0,0 +1,7 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: hellXXo
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/index.js b/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/index.js
new file mode 100644
index 000000000..7faa90b8e
--- /dev/null
+++ b/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/index.js
@@ -0,0 +1,30 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const firstText = texts.first()
+
+  const nextSelection = selection.merge({
+    anchorKey: firstText.key,
+    focusKey: firstText.key,
+    anchorOffset: 2,
+    focusOffset: 4
+  })
+
+  const next = state
+    .transform()
+    .moveTo(nextSelection)
+    .insertTextByKey(firstText.key, 2, 'XX')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    nextSelection.merge({
+      focusOffset: 6
+    }).toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/input.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/input.yaml
new file mode 100644
index 000000000..98adb1781
--- /dev/null
+++ b/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/input.yaml
@@ -0,0 +1,7 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: hello
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/output.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/output.yaml
new file mode 100644
index 000000000..5395838b8
--- /dev/null
+++ b/test/transforms/fixtures/by-key/insert-text-by-key/selection-start/output.yaml
@@ -0,0 +1,7 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: heXXllo
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/in-selection/index.js b/test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/index.js
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/in-selection/index.js
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/index.js
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/input.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/input.yaml
new file mode 100644
index 000000000..98adb1781
--- /dev/null
+++ b/test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/input.yaml
@@ -0,0 +1,7 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: hello
diff --git a/test/transforms/fixtures/by-key/insert-text-by-key/in-selection/output.yaml b/test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/output.yaml
similarity index 100%
rename from test/transforms/fixtures/by-key/insert-text-by-key/in-selection/output.yaml
rename to test/transforms/fixtures/by-key/insert-text-by-key/selection-wrap/output.yaml