@Test
public void should_read_empty_file() {
String content = fileContent("");
ContentWithVariables parsed = yamlFrontMatter.parse(content);
assertThat(parsed.getVariables()).isEmpty();
assertThat(parsed.getContent()).isEmpty();
}
@Test
public void should_read_file_without_headers() {
String content = fileContent("CONTENT");
ContentWithVariables parsed = yamlFrontMatter.parse(content);
assertThat(parsed.getVariables()).isEmpty();
assertThat(parsed.getContent()).isEqualTo("CONTENT");
}
@Test
public void should_read_header_variables() {
String content =
fileContent("---", "layout: standard", "title: CodeStory - Devoxx Fight", "---", "CONTENT");
ContentWithVariables parsed = yamlFrontMatter.parse(content);
assertThat(parsed.getVariables())
.includes(entry("layout", "standard"), entry("title", "CodeStory - Devoxx Fight"));
assertThat(parsed.getContent()).isEqualTo("CONTENT");
}
@Test
public void should_ignore_commented_variable() {
String content =
fileContent(
"---", "#layout: standard", "title: CodeStory - Devoxx Fight", "---", "CONTENT");
ContentWithVariables parsed = yamlFrontMatter.parse(content);
assertThat(parsed.getVariables())
.excludes(entry("layout", "standard"))
.excludes(entry("#layout", "standard"))
.includes(entry("title", "CodeStory - Devoxx Fight"));
}
CacheEntry render(Map<String, Object> keyValues) {
try {
YamlFrontMatter yamlFrontMatter = YamlFrontMatter.parse(path);
String content = yamlFrontMatter.getContent();
Map<String, Object> variables = yamlFrontMatter.getVariables();
Map<String, Object> allKeyValues = merge(variables, keyValues);
String body = new HandlebarsCompiler().compile(content, allKeyValues);
String layout = (String) variables.get("layout");
if (layout != null) {
body =
new Template("_layouts", layout)
.render(allKeyValues)
.content()
.replace("[[body]]", body);
}
return Compilers.INSTANCE.compile(path, body);
} catch (IOException e) {
throw new IllegalStateException("Unable to render template", e);
}
}