1 files changed, 295 insertions, 0 deletions
diff --git a/internal/feed/cveid_test.go b/internal/feed/cveid_test.go
new file mode 100644
index 0000000..8df3642
--- /dev/null
+++ b/internal/feed/cveid_test.go
@@ -0,0 +1,295 @@
+package feed
+
+import (
+  "encoding/json"
+  "fmt"
+  "strconv"
+  "testing"
+)
+
+func TestParseCveIdYear(t *testing.T) {
+  if got, err := parseCveIdYear("asdf"); err == nil {
+    t.Errorf("got %d, exp error", got)
+    return
+  }
+
+  goodTests := []struct {
+    val string
+    exp uint16
+  } {
+    { "2000", 2000 },
+    { "2001", 2001 },
+    { "2100", 2100 },
+  }
+
+  for _, test := range(goodTests) {
+    t.Run(test.val, func(t *testing.T) {
+      got, err := parseCveIdYear(test.val)
+      if err != nil {
+        t.Error(err)
+        return
+      }
+
+      if got != test.exp {
+        t.Errorf("got %d, exp %d", got, test.exp)
+        return
+      }
+    })
+  }
+
+  badTests := []struct {
+    val string
+    exp string
+  } {
+    { "0000", "year out of bounds: 0000" },
+    { "0001", "year out of bounds: 0001" },
+    { "1999", "year out of bounds: 1999" },
+    { "2128", "year out of bounds: 2128" },
+    { "9999", "year out of bounds: 9999" },
+  }
+
+  for _, test := range(badTests) {
+    t.Run(test.val, func(t *testing.T) {
+      if got, err := parseCveIdYear(test.val); err == nil {
+        t.Errorf("got %d, exp error", got)
+        return
+      } else if err.Error() != test.exp {
+        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
+      }
+    })
+  }
+}
+
+func TestParseCveIdNum(t *testing.T) {
+  if got, err := parseCveIdNum("asdf"); err == nil {
+    t.Errorf("got %d, exp error", got)
+    return
+  }
+
+  goodTests := []struct {
+    val string
+    exp uint32
+  } {
+    { "0", 0 },
+    { "0001", 1 },
+    { "2100", 2100 },
+    { "999999", 999999 },
+    { "33554431", 33554431 },
+  }
+
+  for _, test := range(goodTests) {
+    t.Run(test.val, func(t *testing.T) {
+      got, err := parseCveIdNum(test.val)
+      if err != nil {
+        t.Error(err)
+        return
+      }
+
+      if got != test.exp {
+        t.Errorf("got %d, exp %d", got, test.exp)
+        return
+      }
+    })
+  }
+
+  badTests := []struct {
+    val string
+    exp string
+  } {
+    { "33554432", "number out of bounds: 33554432" },
+    { "99999999", "number out of bounds: 99999999" },
+  }
+
+  for _, test := range(badTests) {
+    t.Run(test.val, func(t *testing.T) {
+      if got, err := parseCveIdNum(test.val); err == nil {
+        t.Errorf("got %d, exp error", got)
+      } else if err.Error() != test.exp {
+        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
+      }
+    })
+  }
+}
+
+func TestNewCveId(t *testing.T) {
+  badMatchTests := []string {
+    "",
+    "\nCVE-2002-1234",
+    "CVE-2002-1234\n",
+    "CVE20021234\n",
+    "asdf",
+  }
+
+  for _, test := range(badMatchTests) {
+    t.Run(test, func(t *testing.T) {
+      exp := fmt.Sprintf("invalid CVE ID: %s", test)
+      if got, err := NewCveId(test); err == nil {
+        t.Errorf("got %s, exp error", got)
+      } else if err.Error() != exp {
+        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
+      }
+    })
+  }
+
+  badYearTests := []struct {
+    val string
+    exp string
+  } {
+    { "CVE-0000-1234", "year out of bounds: 0000" },
+    { "CVE-1999-1234", "year out of bounds: 1999" },
+    { "CVE-2128-1234", "year out of bounds: 2128" },
+    { "CVE-9999-1234", "year out of bounds: 9999" },
+  }
+
+  for _, test := range(badYearTests) {
+    t.Run(test.val, func(t *testing.T) {
+      if got, err := NewCveId(test.val); err == nil {
+        t.Errorf("got %s, exp error", got)
+      } else if err.Error() != test.exp {
+        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
+      }
+    })
+  }
+
+  badNumTests := []struct {
+    val string
+    exp string
+  } {
+    { "CVE-2000-33554432", "number out of bounds: 33554432" },
+    { "CVE-2000-99999999", "number out of bounds: 99999999" },
+  }
+
+  for _, test := range(badNumTests) {
+    t.Run(test.val, func(t *testing.T) {
+      if got, err := NewCveId(test.val); err == nil {
+        t.Errorf("got %s, exp error", got)
+      } else if err.Error() != test.exp {
+        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
+      }
+    })
+  }
+
+  goodTests := []string {
+    "CVE-2000-0",
+    "CVE-2127-0",
+    "CVE-2000-33554431",
+    "CVE-2127-33554431",
+  }
+
+  for _, val := range(goodTests) {
+    t.Run(val, func(t *testing.T) {
+      if _, err := NewCveId(val); err != nil {
+        t.Error(err)
+      }
+    })
+  }
+}
+func TestCveIdYear(t *testing.T) {
+  for year := 2000; year < 2127; year++ {
+    t.Run(strconv.FormatInt(int64(year), 10), func(t *testing.T) {
+      // expected value
+      exp := uint16(year)
+
+      // build cve id, check for error
+      id, err := NewCveId(fmt.Sprintf("CVE-%04d-0000", year))
+      if err != nil {
+        t.Error(err)
+        return
+      }
+
+      // check year
+      got := id.Year()
+      if got != exp {
+        t.Errorf("got %d, exp %d", got, exp)
+      }
+    })
+  }
+}
+
+func TestCveIdNumber(t *testing.T) {
+  for num := 0; num < 99999; num++ {
+    t.Run(strconv.FormatInt(int64(num), 10), func(t *testing.T) {
+      // expected value
+      exp := uint32(num)
+
+      // build cve id, check for error
+      id, err := NewCveId(fmt.Sprintf("CVE-2000-%04d", num))
+      if err != nil {
+        t.Error(err)
+        return
+      }
+
+      // check number
+      got := id.Number()
+      if got != exp {
+        t.Errorf("got %d, exp %d", got, exp)
+      }
+    })
+  }
+}
+
+func TestCveIdUnmarshalInvalidData(t *testing.T) {
+  test := []byte(`{}`)
+  var val CveId
+
+  if err := json.Unmarshal(test, &val); err == nil {
+    t.Errorf("got \"%s\", exp error", val)
+  }
+}
+
+func TestCveIdUnmarshalUnknown(t *testing.T) {
+  test := []byte(`"foo"`)
+  exp := "invalid CVE ID: foo"
+  var val CveId
+
+  err := json.Unmarshal(test, &val)
+  if err == nil {
+    t.Errorf("got \"%s\", exp error", val)
+    return
+  }
+
+  if err.Error() != exp {
+    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
+  }
+}
+
+func TestCveIdUnmarshalValid(t *testing.T) {
+  tests := []struct {
+    val string
+    expYear uint16
+    expNum uint32
+    exp string
+  } {
+    { "\"CVE-2000-0\"", 2000, 0, "CVE-2000-0000" },
+    { "\"CVE-2000-1234\"", 2000, 1234, "CVE-2000-1234" },
+    { "\"CVE-2000-33554431\"", 2000, 33554431, "CVE-2000-33554431" },
+    { "\"CVE-2127-0\"", 2127, 0, "CVE-2127-0000" },
+    { "\"CVE-2127-1234\"", 2127, 1234, "CVE-2127-1234" },
+    { "\"CVE-2127-33554431\"", 2127, 33554431, "CVE-2127-33554431" },
+  }
+
+  for _, test := range(tests) {
+    t.Run(test.val, func(t *testing.T) {
+      var got CveId
+      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
+        t.Error(err)
+        return
+      }
+
+      // check year
+      if got.Year() != test.expYear {
+        t.Errorf("got \"%d\", exp \"%d\"", got.Year(), test.expYear)
+      }
+
+      // check year
+      if got.Number() != test.expNum {
+        t.Errorf("got \"%d\", exp \"%d\"", got.Number(), test.expNum)
+      }
+
+      // check string
+      if got.String() != test.exp {
+        t.Errorf("got \"%s\", exp \"%s\"", got.String(), test.exp)
+      }
+    })
+  }
+}