initial commit

wrap_test.go

@@ -0,0 +1,74 @@
+package wrap_test
+
+import (
+	"testing"
+
+	"github.com/louisdevie/elizalina2/internal/wrap"
+)
+
+func assertSameLines(t *testing.T, wrapped []string, expected []string) {
+	if len(wrapped) != len(expected) {
+		t.Fatalf("Expected %d lines of text but got %d", len(expected), len(wrapped))
+	}
+	for i, e := range expected {
+		if wrapped[i] != e {
+			t.Logf("Expected line %d to be \"%s\"", i+1, e)
+			t.Logf("              but got \"%s\"", wrapped[i])
+			t.FailNow()
+		}
+	}
+}
+
+const text = "Or was it because of the involvement of something from beyond science?"
+
+func TestWrapWide(t *testing.T) {
+	wrapped := wrap.Wrap(text, 80)
+	expected := []string{"Or was it because of the involvement of something from beyond science?"}
+	assertSameLines(t, wrapped, expected)
+}
+
+func TestWrapMedium(t *testing.T) {
+	wrapped := wrap.Wrap(text, 44)
+	expected := []string{"Or was it because of the involvement of", "something from beyond science?"}
+	assertSameLines(t, wrapped, expected)
+}
+
+func TestWrapNarrow(t *testing.T) {
+	wrapped := wrap.Wrap(text, 10)
+	expected := []string{"Or was it", "because of", "the involv", "ement of", "something", "from", "beyond", "science?"}
+	assertSameLines(t, wrapped, expected)
+}
+
+func TestWrapWithoutSpace(t *testing.T) {
+	wrapped := wrap.Wrap("Orwasitbecauseoftheinvolvementofsomethingfrombeyondscience?", 10)
+	expected := []string{"Orwasitbec", "auseofthei", "nvolvement", "ofsomethin", "gfrombeyon", "dscience?"}
+	assertSameLines(t, wrapped, expected)
+}
+
+func TestIndent(t *testing.T) {
+	lines := []string{"Or was it because of the", "involvement of something", "from beyond science?"}
+	indented := wrap.Indent("|  ", lines)
+	expected := []string{"|  Or was it because of the", "|  involvement of something", "|  from beyond science?"}
+	assertSameLines(t, indented, expected)
+}
+
+func TestIndentf(t *testing.T) {
+	lines := []string{"Or was it because of the", "involvement of something", "from beyond science?"}
+	indented := wrap.Indentf("-> ", "|  ", lines)
+	expected := []string{"-> Or was it because of the", "|  involvement of something", "|  from beyond science?"}
+	assertSameLines(t, indented, expected)
+}
+
+func TestIndents(t *testing.T) {
+	lines := []string{"Or was it because of the", "involvement of something", "from beyond science?"}
+	indented := wrap.Indents(3, lines)
+	expected := []string{"   Or was it because of the", "   involvement of something", "   from beyond science?"}
+	assertSameLines(t, indented, expected)
+}
+
+func TestIndentfs(t *testing.T) {
+	lines := []string{"Or was it because of the", "involvement of something", "from beyond science?"}
+	indented := wrap.Indentfs("-> ", 3, lines)
+	expected := []string{"-> Or was it because of the", "   involvement of something", "   from beyond science?"}
+	assertSameLines(t, indented, expected)
+}