Tests for outputer

outputer_test.go

@@ -0,0 +1,184 @@
+package main
+
+import (
+	"bytes"
+	"os"
+	"testing"
+)
+
+func TestNewOutputer(t *testing.T) {
+	fakeLogger := new(FakeLogger)
+	NewOutputer(OutputerModeNormal, os.Stdout, fakeLogger)
+}
+
+func TestOutputer_OutVerbose(t *testing.T) {
+	cases := []struct {
+		mode     OutputerMode
+		format   string
+		argument string
+		expected string
+	}{
+		{
+			mode:     OutputerModeVerbose,
+			format:   "This is a sample verbose output that will be shown in %s mode.",
+			argument: "verbose",
+			expected: "This is a sample verbose output that will be shown in verbose mode.\n",
+		},
+		{
+			mode:     OutputerModeNormal,
+			format:   "This is a sample verbose output that will not be shown in %s mode.",
+			argument: "normal",
+			expected: "",
+		},
+		{
+			mode:     OutputerModeQuiet,
+			format:   "This is a sample verbose output that will not be shown in %s mode.",
+			argument: "quiet",
+			expected: "",
+		},
+	}
+
+	fakeLogger := new(FakeLogger)
+	output := bytes.NewBufferString("")
+	outputer := NewOutputer(OutputerModeVerbose, output, fakeLogger)
+
+	for _, c := range cases {
+		output.Reset()
+
+		outputer.Mode = c.mode
+		outputer.OutVerbose(c.format, c.argument)
+
+		if output.String() != c.expected {
+			t.Errorf("Expected %q but got %q", c.expected, output.String())
+		}
+	}
+}
+
+func TestOutputer_OutInfo(t *testing.T) {
+	cases := []struct {
+		mode     OutputerMode
+		format   string
+		argument string
+		expected string
+	}{
+		{
+			mode:     OutputerModeVerbose,
+			format:   "This is a sample info output that will be shown in %s mode.",
+			argument: "verbose",
+			expected: "This is a sample info output that will be shown in verbose mode.\n",
+		},
+		{
+			mode:     OutputerModeNormal,
+			format:   "This is a sample info output that will be shown in %s mode.",
+			argument: "normal",
+			expected: "This is a sample info output that will be shown in normal mode.\n",
+		},
+		{
+			mode:     OutputerModeQuiet,
+			format:   "This is a sample verbose output that will not be shown in %s mode.",
+			argument: "quiet",
+			expected: "",
+		},
+	}
+
+	fakeLogger := new(FakeLogger)
+	output := bytes.NewBufferString("")
+	outputer := NewOutputer(OutputerModeVerbose, output, fakeLogger)
+
+	for _, c := range cases {
+		output.Reset()
+
+		outputer.Mode = c.mode
+		outputer.OutInfo(c.format, c.argument)
+
+		if output.String() != c.expected {
+			t.Errorf("Expected %q but got %q", c.expected, output.String())
+		}
+	}
+}
+
+func TestOutputer_OutWarn(t *testing.T) {
+	cases := []struct {
+		mode     OutputerMode
+		format   string
+		argument string
+		expected string
+	}{
+		{
+			mode:     OutputerModeVerbose,
+			format:   "This is a sample warn output that will be shown in %s mode.",
+			argument: "verbose",
+			expected: "WARN: This is a sample warn output that will be shown in verbose mode.\n",
+		},
+		{
+			mode:     OutputerModeNormal,
+			format:   "This is a sample warn output that will be shown in %s mode.",
+			argument: "normal",
+			expected: "WARN: This is a sample warn output that will be shown in normal mode.\n",
+		},
+		{
+			mode:     OutputerModeQuiet,
+			format:   "This is a sample warn output that will be shown in %s mode.",
+			argument: "quiet",
+			expected: "WARN: This is a sample warn output that will be shown in quiet mode.\n",
+		},
+	}
+
+	fakeLogger := new(FakeLogger)
+	output := bytes.NewBufferString("")
+	outputer := NewOutputer(OutputerModeVerbose, output, fakeLogger)
+
+	for _, c := range cases {
+		output.Reset()
+
+		outputer.Mode = c.mode
+		outputer.OutWarn(c.format, c.argument)
+
+		if output.String() != c.expected {
+			t.Errorf("Expected %q but got %q", c.expected, output.String())
+		}
+	}
+}
+
+func TestOutputer_OutError(t *testing.T) {
+	cases := []struct {
+		mode     OutputerMode
+		format   string
+		argument string
+		expected string
+	}{
+		{
+			mode:     OutputerModeVerbose,
+			format:   "This is a sample error output that will be shown in %s mode.",
+			argument: "verbose",
+			expected: "ERRO: This is a sample error output that will be shown in verbose mode.\n",
+		},
+		{
+			mode:     OutputerModeNormal,
+			format:   "This is a sample error output that will be shown in %s mode.",
+			argument: "normal",
+			expected: "ERRO: This is a sample error output that will be shown in normal mode.\n",
+		},
+		{
+			mode:     OutputerModeQuiet,
+			format:   "This is a sample error output that will be shown in %s mode.",
+			argument: "quiet",
+			expected: "ERRO: This is a sample error output that will be shown in quiet mode.\n",
+		},
+	}
+
+	fakeLogger := new(FakeLogger)
+	output := bytes.NewBufferString("")
+	outputer := NewOutputer(OutputerModeVerbose, output, fakeLogger)
+
+	for _, c := range cases {
+		output.Reset()
+
+		outputer.Mode = c.mode
+		outputer.OutError(c.format, c.argument)
+
+		if output.String() != c.expected {
+			t.Errorf("Expected %q but got %q", c.expected, output.String())
+		}
+	}
+}