tests: migrate ops test to bats

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

tests/ops/export/json/main.cue

@@ -0,0 +1,73 @@
+package testing
+
+testScalar: {
+	bool
+
+	#up: [
+		{
+			do:  "fetch-container"
+			ref: "alpine"
+		},
+		{
+			do: "exec"
+			args: ["sh", "-c", """
+				echo true > /tmp/out
+				""",
+			]
+			dir: "/"
+		},
+		{
+			do: "export"
+			// Source path in the container
+			source: "/tmp/out"
+			format: "json"
+		},
+	]
+}
+
+testMap: #up: [
+	{
+		do:  "fetch-container"
+		ref: "alpine"
+	},
+	{
+		do: "exec"
+		args: ["sh", "-c", """
+			echo '{"something": "something"}' > /tmp/out
+			""",
+		]
+		dir: "/"
+	},
+	{
+		do: "export"
+		// Source path in the container
+		source: "/tmp/out"
+		format: "json"
+	},
+]
+
+// FIXME: lists are currently broken
+// testList: {
+//  [...string]
+
+//  #up: [
+//   {
+//    do:  "fetch-container"
+//    ref: "alpine"
+//   },
+//   {
+//    do: "exec"
+//    args: ["sh", "-c", """
+//     echo '["milk", "pumpkin pie", "eggs", "juice"]' > /tmp/out
+//     """,
+//    ]
+//    dir: "/"
+//   },
+//   {
+//    do: "export"
+//    // Source path in the container
+//    source: "/tmp/out"
+//    format: "json"
+//   },
+//  ]
+// }