diff --git a/test/transforms/fixtures/insert-text/after-mark/index.js b/test/transforms/fixtures/insert-text/after-mark/index.js
new file mode 100644
index 000000000..d99dc8750
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/after-mark/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 3,
+    focusKey: first.key,
+    focusOffset: 3
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/after-mark/input.yaml b/test/transforms/fixtures/insert-text/after-mark/input.yaml
new file mode 100644
index 000000000..9516919f3
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/after-mark/input.yaml
@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w
+          - text: or
+            marks:
+              - type: bold
+          - text: d
diff --git a/test/transforms/fixtures/insert-text/after-mark/output.yaml b/test/transforms/fixtures/insert-text/after-mark/output.yaml
new file mode 100644
index 000000000..721088c8c
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/after-mark/output.yaml
@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w
+          - text: ora
+            marks:
+              - type: bold
+          - text: d
diff --git a/test/transforms/fixtures/insert-text/before-mark/index.js b/test/transforms/fixtures/insert-text/before-mark/index.js
new file mode 100644
index 000000000..0ff315b53
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/before-mark/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 1,
+    focusKey: first.key,
+    focusOffset: 1
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/before-mark/input.yaml b/test/transforms/fixtures/insert-text/before-mark/input.yaml
new file mode 100644
index 000000000..9516919f3
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/before-mark/input.yaml
@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w
+          - text: or
+            marks:
+              - type: bold
+          - text: d
diff --git a/test/transforms/fixtures/insert-text/before-mark/output.yaml b/test/transforms/fixtures/insert-text/before-mark/output.yaml
new file mode 100644
index 000000000..456a7d85e
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/before-mark/output.yaml
@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: wa
+          - text: or
+            marks:
+              - type: bold
+          - text: d
diff --git a/test/transforms/fixtures/insert-text/during-mark/index.js b/test/transforms/fixtures/insert-text/during-mark/index.js
new file mode 100644
index 000000000..18e4109b0
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/during-mark/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 2,
+    focusKey: first.key,
+    focusOffset: 2
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/during-mark/input.yaml b/test/transforms/fixtures/insert-text/during-mark/input.yaml
new file mode 100644
index 000000000..9516919f3
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/during-mark/input.yaml
@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w
+          - text: or
+            marks:
+              - type: bold
+          - text: d
diff --git a/test/transforms/fixtures/insert-text/during-mark/output.yaml b/test/transforms/fixtures/insert-text/during-mark/output.yaml
new file mode 100644
index 000000000..d0108de73
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/during-mark/output.yaml
@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w
+          - text: oar
+            marks:
+              - type: bold
+          - text: d
diff --git a/test/transforms/fixtures/insert-text/first-character/index.js b/test/transforms/fixtures/insert-text/first-character/index.js
new file mode 100644
index 000000000..2965f9e5f
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-character/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 0,
+    focusKey: first.key,
+    focusOffset: 0
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/first-character/input.yaml b/test/transforms/fixtures/insert-text/first-character/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-character/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/first-character/output.yaml b/test/transforms/fixtures/insert-text/first-character/output.yaml
new file mode 100644
index 000000000..a373de628
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-character/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: aword
diff --git a/test/transforms/fixtures/insert-text/first-space/index.js b/test/transforms/fixtures/insert-text/first-space/index.js
new file mode 100644
index 000000000..52f94c691
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-space/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 0,
+    focusKey: first.key,
+    focusOffset: 0
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText(' ')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/first-space/input.yaml b/test/transforms/fixtures/insert-text/first-space/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-space/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/first-space/output.yaml b/test/transforms/fixtures/insert-text/first-space/output.yaml
new file mode 100644
index 000000000..f994c9653
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-space/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: " word"
diff --git a/test/transforms/fixtures/insert-text/first-words/index.js b/test/transforms/fixtures/insert-text/first-words/index.js
new file mode 100644
index 000000000..5e2aa3650
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-words/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 0,
+    focusKey: first.key,
+    focusOffset: 0
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a few words ')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward(12).toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/first-words/input.yaml b/test/transforms/fixtures/insert-text/first-words/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-words/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/first-words/output.yaml b/test/transforms/fixtures/insert-text/first-words/output.yaml
new file mode 100644
index 000000000..b5278cbc6
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/first-words/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: a few words word
diff --git a/test/transforms/fixtures/insert-text/last-character/index.js b/test/transforms/fixtures/insert-text/last-character/index.js
new file mode 100644
index 000000000..b796aaaf3
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-character/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: first.length,
+    focusKey: first.key,
+    focusOffset: first.length
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/last-character/input.yaml b/test/transforms/fixtures/insert-text/last-character/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-character/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/last-character/output.yaml b/test/transforms/fixtures/insert-text/last-character/output.yaml
new file mode 100644
index 000000000..ad45f0c9b
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-character/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: worda
diff --git a/test/transforms/fixtures/insert-text/last-space/index.js b/test/transforms/fixtures/insert-text/last-space/index.js
new file mode 100644
index 000000000..55d147c00
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-space/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: first.length,
+    focusKey: first.key,
+    focusOffset: first.length
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText(' ')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/last-space/input.yaml b/test/transforms/fixtures/insert-text/last-space/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-space/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/last-space/output.yaml b/test/transforms/fixtures/insert-text/last-space/output.yaml
new file mode 100644
index 000000000..2061412e0
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-space/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: "word "
diff --git a/test/transforms/fixtures/insert-text/last-words/index.js b/test/transforms/fixtures/insert-text/last-words/index.js
new file mode 100644
index 000000000..63fa0ca0f
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-words/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: first.length,
+    focusKey: first.key,
+    focusOffset: first.length
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText(' a few words')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward(12).toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/last-words/input.yaml b/test/transforms/fixtures/insert-text/last-words/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-words/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/last-words/output.yaml b/test/transforms/fixtures/insert-text/last-words/output.yaml
new file mode 100644
index 000000000..b95f2bb1a
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/last-words/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word a few words
diff --git a/test/transforms/fixtures/insert-text/middle-character/index.js b/test/transforms/fixtures/insert-text/middle-character/index.js
new file mode 100644
index 000000000..0ff315b53
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-character/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 1,
+    focusKey: first.key,
+    focusOffset: 1
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText('a')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/middle-character/input.yaml b/test/transforms/fixtures/insert-text/middle-character/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-character/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/middle-character/output.yaml b/test/transforms/fixtures/insert-text/middle-character/output.yaml
new file mode 100644
index 000000000..b0873c956
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-character/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: waord
diff --git a/test/transforms/fixtures/insert-text/middle-space/index.js b/test/transforms/fixtures/insert-text/middle-space/index.js
new file mode 100644
index 000000000..53faa5d41
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-space/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 1,
+    focusKey: first.key,
+    focusOffset: 1
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText(' ')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward().toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/middle-space/input.yaml b/test/transforms/fixtures/insert-text/middle-space/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-space/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/middle-space/output.yaml b/test/transforms/fixtures/insert-text/middle-space/output.yaml
new file mode 100644
index 000000000..8b72a232f
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-space/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w ord
diff --git a/test/transforms/fixtures/insert-text/middle-words/index.js b/test/transforms/fixtures/insert-text/middle-words/index.js
new file mode 100644
index 000000000..5aae86038
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-words/index.js
@@ -0,0 +1,27 @@
+
+import assert from 'assert'
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: 1,
+    focusKey: first.key,
+    focusOffset: 1
+  })
+
+  const next = state
+    .transform()
+    .moveTo(range)
+    .insertText(' a few words ')
+    .apply()
+
+  assert.deepEqual(
+    next.selection.toJS(),
+    range.moveForward(13).toJS()
+  )
+
+  return next
+}
diff --git a/test/transforms/fixtures/insert-text/middle-words/input.yaml b/test/transforms/fixtures/insert-text/middle-words/input.yaml
new file mode 100644
index 000000000..b1be31e90
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-words/input.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: word
diff --git a/test/transforms/fixtures/insert-text/middle-words/output.yaml b/test/transforms/fixtures/insert-text/middle-words/output.yaml
new file mode 100644
index 000000000..f5df73851
--- /dev/null
+++ b/test/transforms/fixtures/insert-text/middle-words/output.yaml
@@ -0,0 +1,8 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        ranges:
+          - text: w a few words ord