Adding env datasource

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/test/integration/datasources_env_test.go b/test/integration/datasources_env_test.go
new file mode 100644
index 00000000..3b53c1e6
--- /dev/null
+++ b/test/integration/datasources_env_test.go
@@ -0,0 +1,57 @@
+//+build integration
+//+build !windows
+
+package integration
+
+import (
+	"os"
+
+	. "gopkg.in/check.v1"
+
+	"github.com/gotestyourself/gotestyourself/fs"
+	"github.com/gotestyourself/gotestyourself/icmd"
+)
+
+type EnvDatasourcesSuite struct {
+	tmpDir *fs.Dir
+}
+
+var _ = Suite(&EnvDatasourcesSuite{})
+
+func (s *EnvDatasourcesSuite) SetUpSuite(c *C) {
+	os.Setenv("HELLO_WORLD", "hello world")
+	os.Setenv("HELLO_UNIVERSE", "hello universe")
+	os.Setenv("FOO", "bar")
+	os.Setenv("foo", "baz")
+}
+
+func (s *EnvDatasourcesSuite) TearDownSuite(c *C) {
+	os.Unsetenv("HELLO_WORLD")
+	os.Unsetenv("HELLO_UNIVERSE")
+	os.Unsetenv("FOO")
+	os.Unsetenv("foo")
+}
+
+func (s *EnvDatasourcesSuite) TestEnvDatasources(c *C) {
+	result := icmd.RunCommand(GomplateBin,
+		"-d", "foo=env:FOO",
+		"-i", `{{ ds "foo" }}`,
+	)
+	result.Assert(c, icmd.Expected{ExitCode: 0, Out: "bar"})
+
+	result = icmd.RunCommand(GomplateBin,
+		"-d", "foo=env:///foo",
+		"-i", `{{ ds "foo" }}`,
+	)
+	result.Assert(c, icmd.Expected{ExitCode: 0, Out: "baz"})
+
+	result = icmd.RunCmd(icmd.Command(GomplateBin,
+		"-d", "e=env:json_value?type=application/json",
+		"-i", `{{ (ds "e").value}}`,
+	), func(c *icmd.Cmd) {
+		c.Env = []string{
+			`json_value={"value":"corge"}`,
+		}
+	})
+	result.Assert(c, icmd.Expected{ExitCode: 0, Out: "corge"})
+}