1 files changed, 71 insertions, 0 deletions
diff --git a/common/compiler/vyper_test.go b/common/compiler/vyper_test.go
new file mode 100644
index 000000000..7761c92af
--- /dev/null
+++ b/common/compiler/vyper_test.go
@@ -0,0 +1,71 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package compiler
+
+import (
+	"os/exec"
+	"testing"
+)
+
+func skipWithoutVyper(t *testing.T) {
+	if _, err := exec.LookPath("vyper"); err != nil {
+		t.Skip(err)
+	}
+}
+
+func TestVyperCompiler(t *testing.T) {
+	skipWithoutVyper(t)
+
+	testSource := []string{"test.v.py"}
+	source, err := slurpFiles(testSource)
+	if err != nil {
+		t.Error("couldn't read test files")
+	}
+	contracts, err := CompileVyper("", testSource...)
+	if err != nil {
+		t.Fatalf("error compiling test.v.py. result %v: %v", contracts, err)
+	}
+	if len(contracts) != 1 {
+		t.Errorf("one contract expected, got %d", len(contracts))
+	}
+	c, ok := contracts["test.v.py"]
+	if !ok {
+		c, ok = contracts["<stdin>:test"]
+		if !ok {
+			t.Fatal("info for contract 'test.v.py' not present in result")
+		}
+	}
+	if c.Code == "" {
+		t.Error("empty code")
+	}
+	if c.Info.Source != source {
+		t.Error("wrong source")
+	}
+	if c.Info.CompilerVersion == "" {
+		t.Error("empty version")
+	}
+}
+
+func TestVyperCompileError(t *testing.T) {
+	skipWithoutVyper(t)
+
+	contracts, err := CompileVyper("", "test_bad.v.py")
+	if err == nil {
+		t.Errorf("error expected compiling test_bad.v.py. got none. result %v", contracts)
+	}
+	t.Logf("error: %v", err)
+}