13 files changed, 133 insertions, 0 deletions
diff --git a/cli/tests/testdata/lint/expected.out b/cli/tests/testdata/lint/expected.out
new file mode 100644
index 000000000..eb8a2651a
--- /dev/null
+++ b/cli/tests/testdata/lint/expected.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+Found 3 problems
+Checked 3 files
diff --git a/cli/tests/testdata/lint/expected_from_stdin.out b/cli/tests/testdata/lint/expected_from_stdin.out
new file mode 100644
index 000000000..90f455fdc
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_from_stdin.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+Found 1 problem
+Checked 1 file
diff --git a/cli/tests/testdata/lint/expected_from_stdin_json.out b/cli/tests/testdata/lint/expected_from_stdin_json.out
new file mode 100644
index 000000000..7ea40e957
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_from_stdin_json.out
@@ -0,0 +1,23 @@
+{
+  "diagnostics": [
+    {
+      "range": {
+        "start": {
+          "line": 1,
+          "col": 8,
+          "bytePos": 8
+        },
+        "end": {
+          "line": 1,
+          "col": 11,
+          "bytePos": 11
+        }
+      },
+      "filename": "_stdin.ts",
+      "message": "`any` type is not allowed",
+      "code": "no-explicit-any",
+      "hint": [WILDCARD]
+    }
+  ],
+  "errors": []
+}
diff --git a/cli/tests/testdata/lint/expected_glob.out b/cli/tests/testdata/lint/expected_glob.out
new file mode 100644
index 000000000..eb8a2651a
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_glob.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+Found 3 problems
+Checked 3 files
diff --git a/cli/tests/testdata/lint/expected_ignore.out b/cli/tests/testdata/lint/expected_ignore.out
new file mode 100644
index 000000000..b5f78ee04
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_ignore.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+Found 1 problem
+Checked 2 files
diff --git a/cli/tests/testdata/lint/expected_json.out b/cli/tests/testdata/lint/expected_json.out
new file mode 100644
index 000000000..dbeb8039b
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_json.out
@@ -0,0 +1,64 @@
+{
+  "diagnostics": [
+    {
+      "range": {
+        "start": {
+          "line": 1,
+          "col": 0,
+          "bytePos": 0
+        },
+        "end": {
+          "line": 1,
+          "col": 19,
+          "bytePos": 19
+        }
+      },
+      "filename": "[WILDCARD]file1.js",
+      "message": "Ignore directive requires lint rule name(s)",
+      "code": "ban-untagged-ignore",
+      "hint": [WILDCARD]
+    },
+    {
+      "range": {
+        "start": {
+          "line": 2,
+          "col": 14,
+          "bytePos": 34
+        },
+        "end": {
+          "line": 2,
+          "col": 16,
+          "bytePos": 36
+        }
+      },
+      "filename": "[WILDCARD]file1.js",
+      "message": "Empty block statement",
+      "code": "no-empty",
+      "hint": [WILDCARD]
+    },
+    {
+      "range": {
+        "start": {
+          "line": 3,
+          "col": 13,
+          "bytePos": 57
+        },
+        "end": {
+          "line": 3,
+          "col": 15,
+          "bytePos": 59
+        }
+      },
+      "filename": "[WILDCARD]file2.ts",
+      "message": "Empty block statement",
+      "code": "no-empty",
+      "hint": [WILDCARD]
+    }
+  ],
+  "errors": [
+    {
+      "file_path": "[WILDCARD]malformed.js",
+      "message": "Expected }, got <eof> at [WILDCARD]malformed.js:4:15"
+    }
+  ]
+}
diff --git a/cli/tests/testdata/lint/expected_quiet.out b/cli/tests/testdata/lint/expected_quiet.out
new file mode 100644
index 000000000..d7c9d7bb9
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_quiet.out
@@ -0,0 +1,14 @@
+(ban-untagged-ignore) Ignore directive requires lint rule name(s)
+// deno-lint-ignore
+^^^^^^^^^^^^^^^^^^^
+    at [WILDCARD]file1.js:1:0
+
+    hint: [WILDCARD]
+
+(no-empty) Empty block statement
+while (false) {}
+              ^^
+    at [WILDCARD]file1.js:2:14
+
+    hint: [WILDCARD]
+
diff --git a/cli/tests/testdata/lint/expected_rules.out b/cli/tests/testdata/lint/expected_rules.out
new file mode 100644
index 000000000..4afab7b9b
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_rules.out
@@ -0,0 +1,2 @@
+Available rules:
+[WILDCARD]
diff --git a/cli/tests/testdata/lint/expected_verbose.out b/cli/tests/testdata/lint/expected_verbose.out
new file mode 100644
index 000000000..eb8a2651a
--- /dev/null
+++ b/cli/tests/testdata/lint/expected_verbose.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+Found 3 problems
+Checked 3 files
diff --git a/cli/tests/testdata/lint/file1.js b/cli/tests/testdata/lint/file1.js
new file mode 100644
index 000000000..737f26818
--- /dev/null
+++ b/cli/tests/testdata/lint/file1.js
@@ -0,0 +1,2 @@
+// deno-lint-ignore
+while (false) {}
diff --git a/cli/tests/testdata/lint/file2.ts b/cli/tests/testdata/lint/file2.ts
new file mode 100644
index 000000000..73c612c35
--- /dev/null
+++ b/cli/tests/testdata/lint/file2.ts
@@ -0,0 +1,6 @@
+try {
+  await Deno.open("./some/file.txt");
+} catch (_e) {}
+
+// deno-lint-ignore no-explicit-any
+function _foo(): any {}
diff --git a/cli/tests/testdata/lint/ignored_file.ts b/cli/tests/testdata/lint/ignored_file.ts
new file mode 100644
index 000000000..97befafa3
--- /dev/null
+++ b/cli/tests/testdata/lint/ignored_file.ts
@@ -0,0 +1,3 @@
+// deno-lint-ignore-file
+
+function foo(): any {}
diff --git a/cli/tests/testdata/lint/malformed.js b/cli/tests/testdata/lint/malformed.js
new file mode 100644
index 000000000..5ad4650d6
--- /dev/null
+++ b/cli/tests/testdata/lint/malformed.js
@@ -0,0 +1,4 @@
+// deno-fmt-ignore-file
+
+// intentionally malformed file
+export class A {
+\ No newline at end of file