forked from josch/img2pdf
src/img2pdf_test.py: replace jpg_img check by json output
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1 changed files with 27 additions and 15 deletions
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@ -783,21 +783,33 @@ def tmp_palette8_png(tmp_path_factory, alpha):
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def jpg_img(tmp_path_factory, tmp_normal_png):
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in_img = tmp_path_factory.mktemp("jpg") / "in.jpg"
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subprocess.check_call(["convert", str(tmp_normal_png), str(in_img)])
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identify = subprocess.check_output(["identify", "-verbose", str(in_img)])
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expected = [
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r"^ Format: JPEG \(Joint Photographic Experts Group JFIF format\)$",
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r"^ Mime type: image/jpeg$",
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r"^ Geometry: 60x60\+0\+0$",
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r"^ Colorspace: sRGB$",
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r"^ Type: TrueColor$",
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r"^ Depth: 8-bit$",
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r"^ Page geometry: 60x60\+0\+0$",
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r"^ Compression: JPEG$",
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]
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for e in expected:
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assert re.search(e, identify.decode("utf8"), re.MULTILINE), identify.decode(
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"utf8"
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)
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identify = json.loads(subprocess.check_output(["convert", str(in_img), "json:"]))
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assert len(identify) == 1
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# somewhere between imagemagick 6.9.7.4 and 6.9.9.34, the json output was
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# put into an array, here we cater for the older version containing just
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# the bare dictionary
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if "image" in identify:
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identify = [identify]
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assert "image" in identify[0]
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assert identify[0]["image"]["format"] == "JPEG"
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assert (
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identify[0]["image"]["formatDescription"]
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== "Joint Photographic Experts Group JFIF format"
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)
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assert identify[0]["image"]["mimeType"] == "image/jpeg"
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assert identify[0]["image"]["geometry"] == {
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"width": 60,
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"height": 60,
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"x": 0,
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"y": 0,
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}
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assert identify[0]["image"]["units"] == "Undefined"
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assert identify[0]["image"]["type"] == "TrueColor"
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assert identify[0]["image"]["endianess"] == "Undefined"
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assert identify[0]["image"]["colorspace"] == "sRGB"
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assert identify[0]["image"]["depth"] == 8
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assert identify[0]["image"]["compression"] == "JPEG"
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assert identify[0]["image"]["properties"]["jpeg:colorspace"] == "2"
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yield in_img
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in_img.unlink()
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