Fix failing tests and add integration tests

Author: dylanhitt

commander_linux.yaml

@@ -14,4 +14,17 @@ tests:
   test docker:
     command: ./commander test integration/linux/docker.yaml
     stdout: ✓ [docker-host] cat /etc/os-release
+    exit-code: 0
+
+  test directory:
+    command: ./commander test integration/linux/
+    stdout:
+      contains:
+        - ✓ [nodes.yaml] [ssh-host] it should test ssh host
+        - ✓ [nodes.yaml] [ssh-host] it should set env variable
+        - ✓ [nodes.yaml] [ssh-host-default] it should be executed on ssh-host-default
+        - ✓ [nodes.yaml] [ssh-host] it should test multiple hosts
+        - ✓ [nodes.yaml] [ssh-host-default] it should test multiple hosts
+        - ✓ [nodes.yaml] [local] it should test multiple hosts
+        - ✓ [docker.yaml] [docker-host] cat /etc/os-release
     exit-code: 0

commander_unix.yaml

@@ -65,3 +65,10 @@ tests:
         - ✓ [local] it should retry failed commands, retries 2
         - ✗ [local] it should retry failed commands with an interval, retries 2
     exit-code: 1
+
+  test directory order:
+    command: ./commander test --file-order integration/unix/directory_test/
+    stdout: 
+      lines:
+        3: ✓ [alpha_test.yaml] [local] sleep test
+        4: ✓ [beta_test.yaml] [local] ehco hello

examples/commander.yaml

@@ -18,5 +18,5 @@ tests:
 
   it should fail:
     command: invalid
-    stderr: "/bin/sh: 1: invalid: not found"
+    stderr: "/bin/sh: 1: command invalid: not found"
     exit-code: 127

integration/unix/directory_test/alpha_test.yaml

@@ -0,0 +1,4 @@
+tests:
+  sleep test:
+    command: sleep 2
+    exit-code: 0

integration/unix/directory_test/beta_test.yaml

@@ -0,0 +1,7 @@
+tests:
+  ehco hello:
+    command: echo hello
+    stdout: 
+      contains: 
+        - hello
+    exit-code: 0

pkg/app/test_command_test.go

@@ -30,7 +30,7 @@ func Test_TestCommand(t *testing.T) {
 	err := TestCommand("commander.yaml", "", AddCommandContext{})
 
 	if runtime.GOOS == "windows" {
-		assert.Contains(t, err.Error(), "Error stat commander.yaml:")
+		assert.Contains(t, err.Error(), "Error CreateFile commander.yaml:")
 	} else {
 		assert.Equal(t, "Error stat commander.yaml: no such file or directory", err.Error())
 	}
@@ -40,7 +40,7 @@ func Test_TestCommand_ShouldUseCustomFile(t *testing.T) {
 	err := TestCommand("my-test.yaml", "", AddCommandContext{})
 
 	if runtime.GOOS == "windows" {
-		assert.Contains(t, err.Error(), "Error stat my-test.yaml: ")
+		assert.Contains(t, err.Error(), "Error CreateFile my-test.yaml: ")
 	} else {
 		assert.Equal(t, "Error stat my-test.yaml: no such file or directory", err.Error())
 	}