Add yaml roundtrip test. Bump nu version

Cargo.lock

@@ -1631,7 +1631,7 @@ dependencies = [
 
 [[package]]
 name = "nu"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "adhoc_derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ansi_term 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1680,6 +1680,7 @@ dependencies = [
  "reqwest 0.9.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "roxmltree 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustyline 5.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.94 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde-hjson 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_bytes 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nu"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Yehuda Katz <wycats@gmail.com>", "Jonathan Turner <jonathan.d.turner@gmail.com>"]
 description = "A shell for the GitHub era"
 license = "MIT"
@@ -74,6 +74,7 @@ rawkey = "0.1.1"
 crossterm = "0.9.6"
 tempfile = "3.1.0"
 image = "0.21.2"
+semver = "0.9.0"
 
 [dev-dependencies]
 pretty_assertions = "0.6.1"

tests/filters_test.rs

@@ -13,13 +13,26 @@ fn can_convert_table_to_json_text_and_from_json_text_back_into_table() {
 
 #[test]
 fn can_convert_table_to_toml_text_and_from_toml_text_back_into_table() {
-    nu!(output,
+    nu!(
+        output,
         cwd("tests/fixtures/formats"),
-        "open cargo_sample.toml | to-toml | from-toml | get package.name | echo $it");
+        "open cargo_sample.toml | to-toml | from-toml | get package.name | echo $it"
+    );
 
     assert_eq!(output, "nu");
 }
 
+#[test]
+fn can_convert_table_to_yaml_text_and_from_yaml_text_back_into_table() {
+    nu!(
+        output,
+        cwd("tests/fixtures/formats"),
+        "open appveyor.yml | to-yaml | from-yaml | get environment.global.PROJECT_NAME | echo $it"
+    );
+
+    assert_eq!(output, "nushell");
+}
+
 #[test]
 fn can_sort_by_column() {
     nu!(output,
@@ -40,9 +53,11 @@ fn can_split_by_column() {
 
 #[test]
 fn can_filter_by_unit_size_comparison() {
-    nu!(output,
+    nu!(
+        output,
         cwd("tests/fixtures/formats"),
-        "ls | where size > 1kb | get name | trim | echo $it");
+        "ls | where size > 1kb | get name | trim | echo $it"
+    );
 
     assert_eq!(output, "cargo_sample.toml");
 }

tests/fixtures/formats/appveyor.yml

@@ -0,0 +1,31 @@
+image: Visual Studio 2017
+
+environment:
+  global:
+    PROJECT_NAME: nushell
+    RUST_BACKTRACE: 1
+  matrix:
+    - TARGET: x86_64-pc-windows-msvc
+      CHANNEL: nightly
+      BITS: 64
+
+install:
+  - set PATH=C:\msys64\mingw%BITS%\bin;C:\msys64\usr\bin;%PATH%
+  - curl -sSf -o rustup-init.exe https://win.rustup.rs
+  # Install rust
+  - rustup-init.exe -y --default-host %TARGET% --default-toolchain %CHANNEL%-%TARGET%
+  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
+  # Required for Racer autoconfiguration
+  - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars64.bat"
+
+
+build: false
+
+test_script:
+  # compile #[cfg(not(test))] code
+  - cargo build --verbose
+  - cargo test --all --verbose
+
+cache:
+  - target -> Cargo.lock
+  - C:\Users\appveyor\.cargo\registry -> Cargo.lock