diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..1924ad3
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,44 @@
+name: CI Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Build and Test
+    runs-on: ${{ matrix.os }}
+    # We want to run on external PRs, but not on internal ones as push automatically builds
+    # H/T: https://github.com/Dart-Code/Dart-Code/commit/612732d5879730608baa9622bf7f5e5b7b51ae65
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != 'amzn/ion-cli'
+    strategy:
+      matrix:
+        # TODO: add windows after fixing cmake version error issues
+        # see for example Windows build workflow: https://github.com/amzn/ion-rust/blob/a4b154cc0a5b5b661a45ac14d3719a501573d8f2/.github/workflows/rust.yml#L13-L28
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Rust Toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Cargo Build
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --verbose --workspace
+      - name: Cargo Test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --verbose --workspace -- --test-threads=1
+      # TODO: run rustfmt and enable check
+      # - name: Rustfmt Check
+      #   uses: actions-rs/cargo@v1
+      #   with:
+      #     command: fmt
+      #     args: --verbose -- --check
diff --git a/Cargo.lock b/Cargo.lock
index b92f146..6161174 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -35,6 +35,20 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
 
+[[package]]
+name = "assert_cmd"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c98233c6673d8601ab23e77eb38f999c51100d46c5703b17288c57fddf3a1ffe"
+dependencies = [
+ "bstr",
+ "doc-comment",
+ "predicates",
+ "predicates-core",
+ "predicates-tree",
+ "wait-timeout",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -117,6 +131,17 @@ dependencies = [
  "wyz",
 ]
 
+[[package]]
+name = "bstr"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
+dependencies = [
+ "lazy_static",
+ "memchr",
+ "regex-automata",
+]
+
 [[package]]
 name = "byteorder"
 version = "1.4.2"
@@ -230,6 +255,24 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "difflib"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8"
+
+[[package]]
+name = "doc-comment"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
+
+[[package]]
+name = "either"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
+
 [[package]]
 name = "env_logger"
 version = "0.7.1"
@@ -303,6 +346,7 @@ name = "ion-cli"
 version = "0.2.0"
 dependencies = [
  "anyhow",
+ "assert_cmd",
  "clap",
  "cmake",
  "colored",
@@ -310,6 +354,7 @@ dependencies = [
  "ion-schema",
  "libc",
  "memmap",
+ "rstest",
  "tempfile",
 ]
 
@@ -373,6 +418,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -510,12 +564,48 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
+[[package]]
+name = "pest"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+dependencies = [
+ "ucd-trie",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
+[[package]]
+name = "predicates"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5aab5be6e4732b473071984b3164dbbfb7a3674d30ea5ff44410b6bcd960c3c"
+dependencies = [
+ "difflib",
+ "itertools",
+ "predicates-core",
+]
+
+[[package]]
+name = "predicates-core"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da1c2388b1513e1b605fcec39a95e0a9e8ef088f71443ef37099fa9ae6673fcb"
+
+[[package]]
+name = "predicates-tree"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d86de6de25020a36c6d3643a86d9a6a9f552107c0559c60ea03551b5e16c032"
+dependencies = [
+ "predicates-core",
+ "termtree",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.32"
@@ -607,6 +697,12 @@ dependencies = [
  "thread_local",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.22"
@@ -622,18 +718,58 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "rstest"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "041bb0202c14f6a158bbbf086afb03d0c6e975c2dec7d4912f8061ed44f290af"
+dependencies = [
+ "cfg-if 1.0.0",
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "syn",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc_version"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0dfe2087c51c460008730de8b57e6a320782fbfb312e1f4d520e6c6fae155ee"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
+[[package]]
+name = "semver"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0bef5b7f9e0df16536d3961cfb6e84331c065b4066afb39768d0e319411f7"
+dependencies = [
+ "pest",
+]
+
 [[package]]
 name = "shlex"
 version = "0.1.1"
@@ -692,6 +828,12 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "termtree"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "507e9898683b6c43a9aa55b64259b721b52ba226e0f3779137e50ad114a4c90b"
+
 [[package]]
 name = "textwrap"
 version = "0.9.0"
@@ -740,6 +882,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.8"
@@ -764,6 +912,15 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
+[[package]]
+name = "wait-timeout"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
diff --git a/Cargo.toml b/Cargo.toml
index ce75b3f..9b8dbad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,12 @@ ion-schema = "0.1.0"
 [build-dependencies]
 cmake = "0.1.44"
 
+[dev-dependencies]
+rstest = "~0.10.0"
+assert_cmd = "~1.0.5"
+tempfile = "~3.2.0"
+
 [[bin]]
 name = "ion"
-test = false
+test = true
 bench = false
diff --git a/tests/cli.rs b/tests/cli.rs
new file mode 100644
index 0000000..f15e3c1
--- /dev/null
+++ b/tests/cli.rs
@@ -0,0 +1,146 @@
+use anyhow::Result;
+use assert_cmd::Command;
+use ion_rs::value::owned::OwnedElement;
+use ion_rs::value::reader::*;
+use rstest::*;
+use std::fs::File;
+use std::io::{Read, Write};
+use std::time::Duration;
+use tempfile::TempDir;
+
+enum FileMode {
+    /// Use `STDIN` or `STDOUT`
+    Default,
+    /// Use a named file
+    Named,
+}
+
+struct TestCase<S: AsRef<str>> {
+    /// The text of the ion payload to test
+    ion_text: S,
+    /// The expected Ion
+    expected_ion: OwnedElement,
+}
+
+impl From<(&'static str, &'static str)> for TestCase<&'static str> {
+    /// Simple conversion for static `str` slices into a test case
+    fn from((ion_text, expected_ion): (&'static str, &'static str)) -> Self {
+        let expected_ion = element_reader().read_one(expected_ion.as_bytes()).unwrap();
+        Self {
+            ion_text,
+            expected_ion,
+        }
+    }
+}
+
+#[rstest]
+#[case::simple((
+r#"
+{
+  name: "Fido",
+
+  age: years::4,
+
+  birthday: 2012-03-01T,
+
+  toys: [
+    ball,
+    rope,
+  ],
+
+  weight: pounds::41.2,
+
+  buzz: {{VG8gaW5maW5pdHkuLi4gYW5kIGJleW9uZCE=}},
+}
+"#,
+r#"
+{
+  name: "Fido",
+
+  age: years::4,
+
+  birthday: 2012-03-01T,
+
+  toys: [
+    ball,
+    rope,
+  ],
+
+  weight: pounds::41.2,
+
+  buzz: {{VG8gaW5maW5pdHkuLi4gYW5kIGJleW9uZCE=}},
+}
+"#
+).into())]
+/// Calls the ion CLI binary dump command with a set of arguments the ion-cli is expected to support.
+/// This does not verify specific formatting, only basic CLI behavior.
+fn run_it<S: AsRef<str>>(
+    #[case] test_case: TestCase<S>,
+    #[values("", "binary", "text", "pretty")] format_flag: &str,
+    #[values(FileMode::Default, FileMode::Named)] input_mode: FileMode,
+    #[values(FileMode::Default, FileMode::Named)] output_mode: FileMode,
+) -> Result<()> {
+    let TestCase {
+        ion_text,
+        expected_ion,
+    } = test_case;
+
+    let temp_dir = TempDir::new()?;
+    let input_path = temp_dir.path().join("INPUT.ion");
+    let output_path = temp_dir.path().join("OUTPUT.ion");
+
+    let mut cmd = Command::cargo_bin("ion")?;
+    cmd.arg("dump").timeout(Duration::new(5, 0));
+    if format_flag != "" {
+        cmd.arg("-f");
+        cmd.arg(format_flag);
+    }
+    match output_mode {
+        FileMode::Default => {
+            // do nothing
+        }
+        FileMode::Named => {
+            // tell driver to output to a file
+            cmd.arg("-o");
+            cmd.arg(&output_path);
+        }
+    };
+
+    match input_mode {
+        FileMode::Default => {
+            // do nothing
+            cmd.write_stdin(ion_text.as_ref());
+        }
+        FileMode::Named => {
+            // dump our test data to input file
+            let mut input_file = File::create(&input_path)?;
+            input_file.write(ion_text.as_ref().as_bytes())?;
+            input_file.flush()?;
+
+            // TODO: test multiple input files
+
+            // make this the input for our driver
+            cmd.arg(input_path.to_str().unwrap());
+        }
+    };
+
+    let assert = cmd.assert();
+
+    let actual_ion = match output_mode {
+        FileMode::Default => {
+            let output = assert.get_output();
+            element_reader().read_one(&output.stdout)?
+        }
+        FileMode::Named => {
+            let mut output_file = File::open(output_path)?;
+            let mut output_buffer = vec![];
+            output_file.read_to_end(&mut output_buffer)?;
+            element_reader().read_one(&output_buffer)?
+        }
+    };
+
+    assert_eq!(expected_ion, actual_ion);
+    assert.success();
+
+    Ok(())
+}