Add tests for Anchore client URL intake

Signed-off-by: Dan Luhring <dan.luhring@anchore.com>

internal/anchore/client_test.go

@@ -0,0 +1,71 @@
+package anchore
+
+import "testing"
+
+func TestHasScheme(t *testing.T) {
+	cases := []struct {
+		url      string
+		expected bool
+	}{
+		{
+			url:      "http://localhost",
+			expected: true,
+		},
+		{
+			url:      "https://anchore.com:8443",
+			expected: true,
+		},
+		{
+			url:      "google.com",
+			expected: false,
+		},
+		{
+			url:      "",
+			expected: false,
+		},
+	}
+
+	for _, testCase := range cases {
+		t.Run(testCase.url, func(t *testing.T) {
+			result := hasScheme(testCase.url)
+
+			if testCase.expected != result {
+				t.Errorf("expected %t but got %t", testCase.expected, result)
+			}
+		})
+	}
+}
+
+func TestEnsureURLHasScheme(t *testing.T) {
+	cases := []struct {
+		url      string
+		expected string
+	}{
+		{
+			url:      "http://localhost",
+			expected: "http://localhost",
+		},
+		{
+			url:      "https://anchore.com:8443",
+			expected: "https://anchore.com:8443",
+		},
+		{
+			url:      "google.com:1234/v1/",
+			expected: "http://google.com:1234/v1/",
+		},
+		{
+			url:      "localhost",
+			expected: "http://localhost",
+		},
+	}
+
+	for _, testCase := range cases {
+		t.Run(testCase.url, func(t *testing.T) {
+			result := ensureURLHasScheme(testCase.url)
+
+			if testCase.expected != result {
+				t.Errorf("expected '%s' but got '%s'", testCase.expected, result)
+			}
+		})
+	}
+}