- [+] add prop_test.go from jsonfiddle

1 files changed, 51 insertions, 0 deletions

diff --git a/prop_test.go b/prop_test.go
new file mode 100644
index 0000000..6e73a53
--- /dev/null
+++ b/prop_test.go
@@ -0,0 +1,51 @@
+package main_test
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+	"strings"
+	"testing"
+)
+
+// testIt runs @cmdTest with @argv and compares the generated
+// output for @name with the corresponding @extRef reference file
+func testIt(t *testing.T, name string, argv ...string) {
+	var (
+		diffOut         bytes.Buffer
+		generatedOutput = name + extGot
+		cmd             = exec.Command(cmdTest, argv...)
+	)
+
+	t.Logf("Testing %s:\n\t%s %s\n", name, cmdTest, strings.Join(argv, " "))
+
+	// open the out file for writing
+	outfile, err := os.Create(generatedOutput)
+	if err != nil {
+		t.Errorf("write error [%s: %s] %s.", name, argv, err)
+	}
+	defer outfile.Close()
+	cmd.Stdout = outfile
+
+	err = cmd.Start()
+	if err != nil {
+		t.Errorf("start error [%s: %s] %s.", name, argv, err)
+	}
+	err = cmd.Wait()
+	if err != nil {
+		t.Errorf("exit error [%s: %s] %s.", name, argv, err)
+	}
+
+	cmd = exec.Command("diff", "-U1", name+extRef, generatedOutput)
+	cmd.Stdout = &diffOut
+
+	err = cmd.Start()
+	if err != nil {
+		t.Errorf("start error %s [%s: %s]", err, name, argv)
+	}
+	err = cmd.Wait()
+	if err != nil {
+		t.Errorf("cmp error %s [%s: %s]\n%s", err, name, argv, diffOut.String())
+	}
+	//os.Remove(generatedOutput)
+}